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data-v-c356ab37></div><a class="VPLink link link" href="/api/packages/slice.html" data-v-c356ab37><!--[--><p class="text" data-v-c356ab37>切片</p><!--]--></a><!----></div><!----></div><!--]--></div></section></div><!--]--><!--[--><!--]--></nav></aside><div class="VPContent has-sidebar" id="VPContent" data-v-324e8308 data-v-3cf691b6><div class="VPDoc has-sidebar has-aside" data-v-3cf691b6 data-v-a3c25e27><!--[--><!--]--><div class="container" data-v-a3c25e27><div class="aside" data-v-a3c25e27><div class="aside-curtain" data-v-a3c25e27></div><div class="aside-container" data-v-a3c25e27><div class="aside-content" data-v-a3c25e27><div class="VPDocAside" data-v-a3c25e27 data-v-cb998dce><!--[--><!--]--><!--[--><!--]--><div class="VPDocAsideOutline" data-v-cb998dce data-v-c834746b><div class="content" data-v-c834746b><div class="outline-marker" data-v-c834746b></div><div class="outline-title" data-v-c834746b>本页内容</div><nav aria-labelledby="doc-outline-aria-label" data-v-c834746b><span class="visually-hidden" id="doc-outline-aria-label" data-v-c834746b> Table of Contents for current page </span><ul class="root" data-v-c834746b data-v-463da30f><!--[--><!--]--></ul></nav></div></div><!--[--><!--]--><div class="spacer" data-v-cb998dce></div><!--[--><!--]--><!----><!--[--><!--]--><!--[--><!--]--></div></div></div></div><div class="content" data-v-a3c25e27><div class="content-container" data-v-a3c25e27><!--[--><!--]--><!----><main class="main" data-v-a3c25e27><div style="position:relative;" class="vp-doc _api_packages_mathutil" data-v-a3c25e27><div><h1 id="Mathutil" tabindex="-1">Mathutil <a class="header-anchor" href="#Mathutil" aria-label="Permalink to &quot;Mathutil&quot;">​</a></h1><p>mathutil 包实现了一些数学计算的函数.</p><div STYLE="page-break-after: always;"></div><h2 id="源码-" tabindex="-1">源码: <a class="header-anchor" href="#源码-" aria-label="Permalink to &quot;源码:&quot;">​</a></h2><ul><li><a href="https://github.com/duke-git/lancet/blob/main/mathutil/mathutil.go" target="_blank" rel="noreferrer">https://github.com/duke-git/lancet/blob/main/mathutil/mathutil.go</a></li></ul><div STYLE="page-break-after: always;"></div><h2 id="用法-" tabindex="-1">用法: <a class="header-anchor" href="#用法-" aria-label="Permalink to &quot;用法:&quot;">​</a></h2><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">import</span><span style="color:#F6F6F4;"> (</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;">)</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">import</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#999999;">)</span></span></code></pre></div><div STYLE="page-break-after: always;"></div><h2 id="目录" tabindex="-1">目录 <a class="header-anchor" href="#目录" aria-label="Permalink to &quot;目录&quot;">​</a></h2><ul><li><a href="#Average">Average</a></li><li><a href="#Exponent">Exponent</a></li><li><a href="#Fibonacci">Fibonacci</a></li><li><a href="#Factorial">Factorial</a></li><li><a href="#Max">Max</a></li><li><a href="#MaxBy">MaxBy</a></li><li><a href="#Min">Min</a></li><li><a href="#MaxBy">MinBy</a></li><li><a href="#Percent">Percent</a></li><li><a href="#RoundToFloat">RoundToFloat</a></li><li><a href="#RoundToString">RoundToString</a></li><li><a href="#TruncRound">TruncRound</a></li><li><a href="#Range">Range</a></li><li><a href="#RangeWithStep">RangeWithStep</a></li><li><a href="#AngleToRadian">AngleToRadian</a></li><li><a href="#RadianToAngle">RadianToAngle</a></li><li><a href="#PointDistance">PointDistance</a></li><li><a href="#IsPrime">IsPrime</a></li><li><a href="#GCD">GCD</a></li><li><a href="#LCM">LCM</a></li><li><a href="#Cos">Cos</a></li><li><a href="#Sin">Sin</a></li><li><a href="#Log">Log</a></li><li><a href="#Sum">Sum</a></li><li><a href="#Abs">Abs</a></li></ul><div STYLE="page-break-after: always;"></div><link rel="stylesheet" type="text/css" href="../../styles/api_doc.css"><h2 id="文档" tabindex="-1">文档 <a class="header-anchor" href="#文档" aria-label="Permalink to &quot;文档&quot;">​</a></h2><h3 id="Average" tabindex="-1"><span id="Average">Average</span> <a class="header-anchor" href="#Average" aria-label="Permalink to &quot;&lt;span id=&quot;Average&quot;&gt;Average&lt;/span&gt;&quot;">​</a></h3><p>计算平均数. 可能需要对结果调用RoundToFloat方法四舍五入</p><p><b>函数签名:</b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> Average[T constraints.Integer </span><span style="color:#F286C4;">|</span><span style="color:#F6F6F4;"> constraints.Float](numbers </span><span style="color:#F286C4;">...</span><span style="color:#F6F6F4;">T) T</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> Average</span><span style="color:#999999;">[</span><span style="color:#393A34;">T constraints</span><span style="color:#999999;">.</span><span style="color:#393A34;">Integer </span><span style="color:#AB5959;">|</span><span style="color:#393A34;"> constraints</span><span style="color:#999999;">.</span><span style="color:#393A34;">Float</span><span style="color:#999999;">](</span><span style="color:#393A34;">numbers </span><span style="color:#AB5959;">...</span><span style="color:#393A34;">T</span><span style="color:#999999;">)</span><span style="color:#393A34;"> T</span></span></code></pre></div><p><b>示例:<span class="run-container"><a href="https://go.dev/play/p/HFd70x4DrMj" target="_blank" rel="noreferrer">运行</a></span></b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">package</span><span style="color:#F6F6F4;"> main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">import</span><span style="color:#F6F6F4;"> (</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">fmt</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">main</span><span style="color:#F6F6F4;">() {</span></span>
<span class="line"><span style="color:#F6F6F4;"> result1 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">Average</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">1</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">2</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> avg </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">Average</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">1.2</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">1.4</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result2 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">RoundToFloat</span><span style="color:#F6F6F4;">(avg, </span><span style="color:#BF9EEE;">1</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result1)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result2)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// Output:</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 1</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 1.3</span></span>
<span class="line"><span style="color:#F6F6F4;">}</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">package</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">import</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">fmt</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result1</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">Average</span><span style="color:#999999;">(</span><span style="color:#2F798A;">1</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">2</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">avg</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">Average</span><span style="color:#999999;">(</span><span style="color:#2F798A;">1.2</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">1.4</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result2</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">RoundToFloat</span><span style="color:#999999;">(</span><span style="color:#393A34;">avg</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">1</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result1</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result2</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// Output:</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 1</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 1.3</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="Exponent" tabindex="-1"><span id="Exponent">Exponent</span> <a class="header-anchor" href="#Exponent" aria-label="Permalink to &quot;&lt;span id=&quot;Exponent&quot;&gt;Exponent&lt;/span&gt;&quot;">​</a></h3><p>指数计算（x的n次方）</p><p><b>函数签名:</b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">Exponent</span><span style="color:#F6F6F4;">(x, n </span><span style="color:#97E1F1;font-style:italic;">int64</span><span style="color:#F6F6F4;">) </span><span style="color:#97E1F1;font-style:italic;">int64</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">Exponent</span><span style="color:#999999;">(</span><span style="color:#393A34;">x</span><span style="color:#999999;">,</span><span style="color:#393A34;"> n </span><span style="color:#AB5959;">int64</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">int64</span></span></code></pre></div><p><b>示例:<span class="run-container"><a href="https://go.dev/play/p/Vv7LBwER-pz" target="_blank" rel="noreferrer">运行</a></span></b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">package</span><span style="color:#F6F6F4;"> main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">import</span><span style="color:#F6F6F4;"> (</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">fmt</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">main</span><span style="color:#F6F6F4;">() {</span></span>
<span class="line"><span style="color:#F6F6F4;"> result1 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">Exponent</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">10</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">0</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result2 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">Exponent</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">10</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">1</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result3 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">Exponent</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">10</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">2</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result1)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result2)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result3)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// Output:</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 1</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 10</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 100</span></span>
<span class="line"><span style="color:#F6F6F4;">}</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">package</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">import</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">fmt</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result1</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">Exponent</span><span style="color:#999999;">(</span><span style="color:#2F798A;">10</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">0</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result2</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">Exponent</span><span style="color:#999999;">(</span><span style="color:#2F798A;">10</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">1</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result3</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">Exponent</span><span style="color:#999999;">(</span><span style="color:#2F798A;">10</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">2</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result1</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result3</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// Output:</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 1</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 10</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 100</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="Fibonacci" tabindex="-1"><span id="Fibonacci">Fibonacci</span> <a class="header-anchor" href="#Fibonacci" aria-label="Permalink to &quot;&lt;span id=&quot;Fibonacci&quot;&gt;Fibonacci&lt;/span&gt;&quot;">​</a></h3><p>计算斐波那契数列的第n个数</p><p><b>函数签名:</b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">Fibonacci</span><span style="color:#F6F6F4;">(first, second, n </span><span style="color:#97E1F1;font-style:italic;">int</span><span style="color:#F6F6F4;">) </span><span style="color:#97E1F1;font-style:italic;">int</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">Fibonacci</span><span style="color:#999999;">(</span><span style="color:#393A34;">first</span><span style="color:#999999;">,</span><span style="color:#393A34;"> second</span><span style="color:#999999;">,</span><span style="color:#393A34;"> n </span><span style="color:#AB5959;">int</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">int</span></span></code></pre></div><p><b>示例:<span class="run-container"><a href="https://go.dev/play/p/IscseUNMuUc" target="_blank" rel="noreferrer">运行</a></span></b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">package</span><span style="color:#F6F6F4;"> main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">import</span><span style="color:#F6F6F4;"> (</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">fmt</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">main</span><span style="color:#F6F6F4;">() {</span></span>
<span class="line"><span style="color:#F6F6F4;"> result1 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">Fibonacci</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">1</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">1</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">1</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result2 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">Fibonacci</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">1</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">1</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">2</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result3 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">Fibonacci</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">1</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">1</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">5</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result1)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result2)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result3)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// Output:</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 1</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 1</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 5</span></span>
<span class="line"><span style="color:#F6F6F4;">}</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">package</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">import</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">fmt</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result1</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">Fibonacci</span><span style="color:#999999;">(</span><span style="color:#2F798A;">1</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">1</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">1</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result2</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">Fibonacci</span><span style="color:#999999;">(</span><span style="color:#2F798A;">1</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">1</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result3</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">Fibonacci</span><span style="color:#999999;">(</span><span style="color:#2F798A;">1</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">1</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">5</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result1</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result3</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// Output:</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 1</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 1</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 5</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="Factorial" tabindex="-1"><span id="Factorial">Factorial</span> <a class="header-anchor" href="#Factorial" aria-label="Permalink to &quot;&lt;span id=&quot;Factorial&quot;&gt;Factorial&lt;/span&gt;&quot;">​</a></h3><p>计算阶乘</p><p><b>函数签名:</b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">Factorial</span><span style="color:#F6F6F4;">(x </span><span style="color:#97E1F1;font-style:italic;">uint</span><span style="color:#F6F6F4;">) </span><span style="color:#97E1F1;font-style:italic;">uint</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">Factorial</span><span style="color:#999999;">(</span><span style="color:#393A34;">x </span><span style="color:#AB5959;">uint</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">uint</span></span></code></pre></div><p><b>示例:<span class="run-container"><a href="https://go.dev/play/p/tt6LdOK67Nx" target="_blank" rel="noreferrer">运行</a></span></b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">package</span><span style="color:#F6F6F4;"> main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">import</span><span style="color:#F6F6F4;"> (</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">fmt</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">main</span><span style="color:#F6F6F4;">() {</span></span>
<span class="line"><span style="color:#F6F6F4;"> result1 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">Factorial</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">1</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result2 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">Factorial</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">2</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result3 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">Factorial</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">3</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result1)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result2)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result3)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// Output:</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 1</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 2</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 6</span></span>
<span class="line"><span style="color:#F6F6F4;">}</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">package</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">import</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">fmt</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result1</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">Factorial</span><span style="color:#999999;">(</span><span style="color:#2F798A;">1</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result2</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">Factorial</span><span style="color:#999999;">(</span><span style="color:#2F798A;">2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result3</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">Factorial</span><span style="color:#999999;">(</span><span style="color:#2F798A;">3</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result1</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result3</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// Output:</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 1</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 2</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 6</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="Max" tabindex="-1"><span id="Max">Max</span> <a class="header-anchor" href="#Max" aria-label="Permalink to &quot;&lt;span id=&quot;Max&quot;&gt;Max&lt;/span&gt;&quot;">​</a></h3><p>返回参数中的最大数</p><p><b>函数签名:</b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> Max[T constraints.Integer </span><span style="color:#F286C4;">|</span><span style="color:#F6F6F4;"> constraints.Float](numbers </span><span style="color:#F286C4;">...</span><span style="color:#F6F6F4;">T) T</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> Max</span><span style="color:#999999;">[</span><span style="color:#393A34;">T constraints</span><span style="color:#999999;">.</span><span style="color:#393A34;">Integer </span><span style="color:#AB5959;">|</span><span style="color:#393A34;"> constraints</span><span style="color:#999999;">.</span><span style="color:#393A34;">Float</span><span style="color:#999999;">](</span><span style="color:#393A34;">numbers </span><span style="color:#AB5959;">...</span><span style="color:#393A34;">T</span><span style="color:#999999;">)</span><span style="color:#393A34;"> T</span></span></code></pre></div><p><b>示例:<span class="run-container"><a href="https://go.dev/play/p/cN8DHI0rTkH" target="_blank" rel="noreferrer">运行</a></span></b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">package</span><span style="color:#F6F6F4;"> main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">import</span><span style="color:#F6F6F4;"> (</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">fmt</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">main</span><span style="color:#F6F6F4;">() {</span></span>
<span class="line"><span style="color:#F6F6F4;"> result1 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">Max</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">1</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">2</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">3</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result2 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">Max</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">1.2</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">1.4</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">1.1</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">1.4</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result1)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result2)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// Output:</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 3</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 1.4</span></span>
<span class="line"><span style="color:#F6F6F4;">}</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">package</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">import</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">fmt</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result1</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">Max</span><span style="color:#999999;">(</span><span style="color:#2F798A;">1</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">2</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">3</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result2</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">Max</span><span style="color:#999999;">(</span><span style="color:#2F798A;">1.2</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">1.4</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">1.1</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">1.4</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result1</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result2</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// Output:</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 3</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 1.4</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="MaxBy" tabindex="-1"><span id="MaxBy">MaxBy</span> <a class="header-anchor" href="#MaxBy" aria-label="Permalink to &quot;&lt;span id=&quot;MaxBy&quot;&gt;MaxBy&lt;/span&gt;&quot;">​</a></h3><p>使用给定的比较器函数返回切片的最大值</p><p><b>函数签名:</b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> MaxBy[T any](slice []T, comparator </span><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;">(T, T) </span><span style="color:#97E1F1;font-style:italic;">bool</span><span style="color:#F6F6F4;">) T</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> MaxBy</span><span style="color:#999999;">[</span><span style="color:#393A34;">T any</span><span style="color:#999999;">](</span><span style="color:#393A34;">slice </span><span style="color:#999999;">[]</span><span style="color:#393A34;">T</span><span style="color:#999999;">,</span><span style="color:#393A34;"> comparator </span><span style="color:#1E754F;">func</span><span style="color:#999999;">(</span><span style="color:#393A34;">T</span><span style="color:#999999;">,</span><span style="color:#393A34;"> T</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">bool</span><span style="color:#999999;">)</span><span style="color:#393A34;"> T</span></span></code></pre></div><p><b>示例:<span class="run-container"><a href="https://go.dev/play/p/pbe2MT-7DV2" target="_blank" rel="noreferrer">运行</a></span></b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">package</span><span style="color:#F6F6F4;"> main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">import</span><span style="color:#F6F6F4;"> (</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">fmt</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">main</span><span style="color:#F6F6F4;">() {</span></span>
<span class="line"><span style="color:#F6F6F4;"> result1 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">MaxBy</span><span style="color:#F6F6F4;">([]</span><span style="color:#97E1F1;font-style:italic;">string</span><span style="color:#F6F6F4;">{</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">a</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">, </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">ab</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">, </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">abc</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">}, </span><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;">(v1, v2 </span><span style="color:#97E1F1;font-style:italic;">string</span><span style="color:#F6F6F4;">) </span><span style="color:#97E1F1;font-style:italic;">bool</span><span style="color:#F6F6F4;"> {</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#F286C4;">return</span><span style="color:#F6F6F4;"> </span><span style="color:#97E1F1;">len</span><span style="color:#F6F6F4;">(v1) </span><span style="color:#F286C4;">&gt;</span><span style="color:#F6F6F4;"> </span><span style="color:#97E1F1;">len</span><span style="color:#F6F6F4;">(v2)</span></span>
<span class="line"><span style="color:#F6F6F4;"> })</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> result2 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">MaxBy</span><span style="color:#F6F6F4;">([]</span><span style="color:#97E1F1;font-style:italic;">string</span><span style="color:#F6F6F4;">{</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">abd</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">, </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">abc</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">, </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">ab</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">}, </span><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;">(v1, v2 </span><span style="color:#97E1F1;font-style:italic;">string</span><span style="color:#F6F6F4;">) </span><span style="color:#97E1F1;font-style:italic;">bool</span><span style="color:#F6F6F4;"> {</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#F286C4;">return</span><span style="color:#F6F6F4;"> </span><span style="color:#97E1F1;">len</span><span style="color:#F6F6F4;">(v1) </span><span style="color:#F286C4;">&gt;</span><span style="color:#F6F6F4;"> </span><span style="color:#97E1F1;">len</span><span style="color:#F6F6F4;">(v2)</span></span>
<span class="line"><span style="color:#F6F6F4;"> })</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> result3 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">MaxBy</span><span style="color:#F6F6F4;">([]</span><span style="color:#97E1F1;font-style:italic;">string</span><span style="color:#F6F6F4;">{}, </span><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;">(v1, v2 </span><span style="color:#97E1F1;font-style:italic;">string</span><span style="color:#F6F6F4;">) </span><span style="color:#97E1F1;font-style:italic;">bool</span><span style="color:#F6F6F4;"> {</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#F286C4;">return</span><span style="color:#F6F6F4;"> </span><span style="color:#97E1F1;">len</span><span style="color:#F6F6F4;">(v1) </span><span style="color:#F286C4;">&gt;</span><span style="color:#F6F6F4;"> </span><span style="color:#97E1F1;">len</span><span style="color:#F6F6F4;">(v2)</span></span>
<span class="line"><span style="color:#F6F6F4;"> })</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result1)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result2)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result3)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// Output:</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// abc</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// abd</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">//</span></span>
<span class="line"><span style="color:#F6F6F4;">}</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">package</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">import</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">fmt</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result1</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">MaxBy</span><span style="color:#999999;">([]</span><span style="color:#AB5959;">string</span><span style="color:#999999;">{</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">a</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">ab</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">abc</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">},</span><span style="color:#393A34;"> </span><span style="color:#1E754F;">func</span><span style="color:#999999;">(</span><span style="color:#393A34;">v1</span><span style="color:#999999;">,</span><span style="color:#393A34;"> v2 </span><span style="color:#AB5959;">string</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">bool</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#1E754F;">return</span><span style="color:#393A34;"> </span><span style="color:#998418;">len</span><span style="color:#999999;">(</span><span style="color:#393A34;">v1</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">&gt;</span><span style="color:#393A34;"> </span><span style="color:#998418;">len</span><span style="color:#999999;">(</span><span style="color:#393A34;">v2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#999999;">})</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result2</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">MaxBy</span><span style="color:#999999;">([]</span><span style="color:#AB5959;">string</span><span style="color:#999999;">{</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">abd</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">abc</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">ab</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">},</span><span style="color:#393A34;"> </span><span style="color:#1E754F;">func</span><span style="color:#999999;">(</span><span style="color:#393A34;">v1</span><span style="color:#999999;">,</span><span style="color:#393A34;"> v2 </span><span style="color:#AB5959;">string</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">bool</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#1E754F;">return</span><span style="color:#393A34;"> </span><span style="color:#998418;">len</span><span style="color:#999999;">(</span><span style="color:#393A34;">v1</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">&gt;</span><span style="color:#393A34;"> </span><span style="color:#998418;">len</span><span style="color:#999999;">(</span><span style="color:#393A34;">v2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#999999;">})</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result3</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">MaxBy</span><span style="color:#999999;">([]</span><span style="color:#AB5959;">string</span><span style="color:#999999;">{},</span><span style="color:#393A34;"> </span><span style="color:#1E754F;">func</span><span style="color:#999999;">(</span><span style="color:#393A34;">v1</span><span style="color:#999999;">,</span><span style="color:#393A34;"> v2 </span><span style="color:#AB5959;">string</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">bool</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#1E754F;">return</span><span style="color:#393A34;"> </span><span style="color:#998418;">len</span><span style="color:#999999;">(</span><span style="color:#393A34;">v1</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">&gt;</span><span style="color:#393A34;"> </span><span style="color:#998418;">len</span><span style="color:#999999;">(</span><span style="color:#393A34;">v2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#999999;">})</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result1</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result3</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// Output:</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// abc</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// abd</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">//</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="Min" tabindex="-1"><span id="Min">Min</span> <a class="header-anchor" href="#Min" aria-label="Permalink to &quot;&lt;span id=&quot;Min&quot;&gt;Min&lt;/span&gt;&quot;">​</a></h3><p>返回参数中的最小数</p><p><b>函数签名:</b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> Min[T constraints.Integer </span><span style="color:#F286C4;">|</span><span style="color:#F6F6F4;"> constraints.Float](numbers </span><span style="color:#F286C4;">...</span><span style="color:#F6F6F4;">T) T</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> Min</span><span style="color:#999999;">[</span><span style="color:#393A34;">T constraints</span><span style="color:#999999;">.</span><span style="color:#393A34;">Integer </span><span style="color:#AB5959;">|</span><span style="color:#393A34;"> constraints</span><span style="color:#999999;">.</span><span style="color:#393A34;">Float</span><span style="color:#999999;">](</span><span style="color:#393A34;">numbers </span><span style="color:#AB5959;">...</span><span style="color:#393A34;">T</span><span style="color:#999999;">)</span><span style="color:#393A34;"> T</span></span></code></pre></div><p><b>示例:<span class="run-container"><a href="https://go.dev/play/p/pbe2MT-7DV2" target="_blank" rel="noreferrer">运行</a></span></b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">package</span><span style="color:#F6F6F4;"> main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">import</span><span style="color:#F6F6F4;"> (</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">fmt</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">main</span><span style="color:#F6F6F4;">() {</span></span>
<span class="line"><span style="color:#F6F6F4;"> result1 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">Min</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">1</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">2</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">3</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result2 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">Min</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">1.2</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">1.4</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">1.1</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">1.4</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result1)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result2)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// Output:</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 1</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 1.1</span></span>
<span class="line"><span style="color:#F6F6F4;">}</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">package</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">import</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">fmt</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result1</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">Min</span><span style="color:#999999;">(</span><span style="color:#2F798A;">1</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">2</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">3</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result2</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">Min</span><span style="color:#999999;">(</span><span style="color:#2F798A;">1.2</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">1.4</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">1.1</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">1.4</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result1</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result2</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// Output:</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 1</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 1.1</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="MinBy" tabindex="-1"><span id="MinBy">MinBy</span> <a class="header-anchor" href="#MinBy" aria-label="Permalink to &quot;&lt;span id=&quot;MinBy&quot;&gt;MinBy&lt;/span&gt;&quot;">​</a></h3><p>使用给定的比较器函数返回切片的最小值</p><p><b>函数签名:</b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> MinBy[T any](slice []T, comparator </span><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;">(T, T) </span><span style="color:#97E1F1;font-style:italic;">bool</span><span style="color:#F6F6F4;">) T</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> MinBy</span><span style="color:#999999;">[</span><span style="color:#393A34;">T any</span><span style="color:#999999;">](</span><span style="color:#393A34;">slice </span><span style="color:#999999;">[]</span><span style="color:#393A34;">T</span><span style="color:#999999;">,</span><span style="color:#393A34;"> comparator </span><span style="color:#1E754F;">func</span><span style="color:#999999;">(</span><span style="color:#393A34;">T</span><span style="color:#999999;">,</span><span style="color:#393A34;"> T</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">bool</span><span style="color:#999999;">)</span><span style="color:#393A34;"> T</span></span></code></pre></div><p><b>示例:<span class="run-container"><a href="https://go.dev/play/p/N9qgYg_Ho6f" target="_blank" rel="noreferrer">运行</a></span></b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">package</span><span style="color:#F6F6F4;"> main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">import</span><span style="color:#F6F6F4;"> (</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">fmt</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">main</span><span style="color:#F6F6F4;">() {</span></span>
<span class="line"><span style="color:#F6F6F4;"> result1 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">MinBy</span><span style="color:#F6F6F4;">([]</span><span style="color:#97E1F1;font-style:italic;">string</span><span style="color:#F6F6F4;">{</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">a</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">, </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">ab</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">, </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">abc</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">}, </span><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;">(v1, v2 </span><span style="color:#97E1F1;font-style:italic;">string</span><span style="color:#F6F6F4;">) </span><span style="color:#97E1F1;font-style:italic;">bool</span><span style="color:#F6F6F4;"> {</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#F286C4;">return</span><span style="color:#F6F6F4;"> </span><span style="color:#97E1F1;">len</span><span style="color:#F6F6F4;">(v1) </span><span style="color:#F286C4;">&lt;</span><span style="color:#F6F6F4;"> </span><span style="color:#97E1F1;">len</span><span style="color:#F6F6F4;">(v2)</span></span>
<span class="line"><span style="color:#F6F6F4;"> })</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> result2 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">MinBy</span><span style="color:#F6F6F4;">([]</span><span style="color:#97E1F1;font-style:italic;">string</span><span style="color:#F6F6F4;">{</span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">ab</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">, </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">ac</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">, </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">abc</span><span style="color:#DEE492;">&quot;</span><span style="color:#F6F6F4;">}, </span><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;">(v1, v2 </span><span style="color:#97E1F1;font-style:italic;">string</span><span style="color:#F6F6F4;">) </span><span style="color:#97E1F1;font-style:italic;">bool</span><span style="color:#F6F6F4;"> {</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#F286C4;">return</span><span style="color:#F6F6F4;"> </span><span style="color:#97E1F1;">len</span><span style="color:#F6F6F4;">(v1) </span><span style="color:#F286C4;">&lt;</span><span style="color:#F6F6F4;"> </span><span style="color:#97E1F1;">len</span><span style="color:#F6F6F4;">(v2)</span></span>
<span class="line"><span style="color:#F6F6F4;"> })</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> result3 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">MinBy</span><span style="color:#F6F6F4;">([]</span><span style="color:#97E1F1;font-style:italic;">string</span><span style="color:#F6F6F4;">{}, </span><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;">(v1, v2 </span><span style="color:#97E1F1;font-style:italic;">string</span><span style="color:#F6F6F4;">) </span><span style="color:#97E1F1;font-style:italic;">bool</span><span style="color:#F6F6F4;"> {</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#F286C4;">return</span><span style="color:#F6F6F4;"> </span><span style="color:#97E1F1;">len</span><span style="color:#F6F6F4;">(v1) </span><span style="color:#F286C4;">&lt;</span><span style="color:#F6F6F4;"> </span><span style="color:#97E1F1;">len</span><span style="color:#F6F6F4;">(v2)</span></span>
<span class="line"><span style="color:#F6F6F4;"> })</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result1)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result2)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result3)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// Output:</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// a</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// ab</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">//</span></span>
<span class="line"><span style="color:#F6F6F4;">}</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">package</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">import</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">fmt</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result1</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">MinBy</span><span style="color:#999999;">([]</span><span style="color:#AB5959;">string</span><span style="color:#999999;">{</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">a</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">ab</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">abc</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">},</span><span style="color:#393A34;"> </span><span style="color:#1E754F;">func</span><span style="color:#999999;">(</span><span style="color:#393A34;">v1</span><span style="color:#999999;">,</span><span style="color:#393A34;"> v2 </span><span style="color:#AB5959;">string</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">bool</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#1E754F;">return</span><span style="color:#393A34;"> </span><span style="color:#998418;">len</span><span style="color:#999999;">(</span><span style="color:#393A34;">v1</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">&lt;</span><span style="color:#393A34;"> </span><span style="color:#998418;">len</span><span style="color:#999999;">(</span><span style="color:#393A34;">v2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#999999;">})</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result2</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">MinBy</span><span style="color:#999999;">([]</span><span style="color:#AB5959;">string</span><span style="color:#999999;">{</span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">ab</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">ac</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#B56959;">abc</span><span style="color:#B5695999;">&quot;</span><span style="color:#999999;">},</span><span style="color:#393A34;"> </span><span style="color:#1E754F;">func</span><span style="color:#999999;">(</span><span style="color:#393A34;">v1</span><span style="color:#999999;">,</span><span style="color:#393A34;"> v2 </span><span style="color:#AB5959;">string</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">bool</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#1E754F;">return</span><span style="color:#393A34;"> </span><span style="color:#998418;">len</span><span style="color:#999999;">(</span><span style="color:#393A34;">v1</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">&lt;</span><span style="color:#393A34;"> </span><span style="color:#998418;">len</span><span style="color:#999999;">(</span><span style="color:#393A34;">v2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#999999;">})</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result3</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">MinBy</span><span style="color:#999999;">([]</span><span style="color:#AB5959;">string</span><span style="color:#999999;">{},</span><span style="color:#393A34;"> </span><span style="color:#1E754F;">func</span><span style="color:#999999;">(</span><span style="color:#393A34;">v1</span><span style="color:#999999;">,</span><span style="color:#393A34;"> v2 </span><span style="color:#AB5959;">string</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">bool</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#1E754F;">return</span><span style="color:#393A34;"> </span><span style="color:#998418;">len</span><span style="color:#999999;">(</span><span style="color:#393A34;">v1</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">&lt;</span><span style="color:#393A34;"> </span><span style="color:#998418;">len</span><span style="color:#999999;">(</span><span style="color:#393A34;">v2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#999999;">})</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result1</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result3</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// Output:</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// a</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// ab</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">//</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="Percent" tabindex="-1"><span id="Percent">Percent</span> <a class="header-anchor" href="#Percent" aria-label="Permalink to &quot;&lt;span id=&quot;Percent&quot;&gt;Percent&lt;/span&gt;&quot;">​</a></h3><p>计算百分比，保留n位小数</p><p><b>函数签名:</b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">Percent</span><span style="color:#F6F6F4;">(val, total </span><span style="color:#97E1F1;font-style:italic;">float64</span><span style="color:#F6F6F4;">, n </span><span style="color:#97E1F1;font-style:italic;">int</span><span style="color:#F6F6F4;">) </span><span style="color:#97E1F1;font-style:italic;">float64</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">Percent</span><span style="color:#999999;">(</span><span style="color:#393A34;">val</span><span style="color:#999999;">,</span><span style="color:#393A34;"> total </span><span style="color:#AB5959;">float64</span><span style="color:#999999;">,</span><span style="color:#393A34;"> n </span><span style="color:#AB5959;">int</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">float64</span></span></code></pre></div><p><b>示例:<span class="run-container"><a href="https://go.dev/play/p/s0NdFCtwuyd" target="_blank" rel="noreferrer">运行</a></span></b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">package</span><span style="color:#F6F6F4;"> main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">import</span><span style="color:#F6F6F4;"> (</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">fmt</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">main</span><span style="color:#F6F6F4;">() {</span></span>
<span class="line"><span style="color:#F6F6F4;"> result1 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">Percent</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">1</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">2</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">2</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result2 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">Percent</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">0.1</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">0.3</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">2</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result3 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">Percent</span><span style="color:#F6F6F4;">(</span><span style="color:#F286C4;">-</span><span style="color:#BF9EEE;">30305</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">408420</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">2</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result1)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result2)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result3)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// Output:</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 50</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 33.33</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// -7.42</span></span>
<span class="line"><span style="color:#F6F6F4;">}</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">package</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">import</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">fmt</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result1</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">Percent</span><span style="color:#999999;">(</span><span style="color:#2F798A;">1</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">2</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result2</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">Percent</span><span style="color:#999999;">(</span><span style="color:#2F798A;">0.1</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">0.3</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result3</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">Percent</span><span style="color:#999999;">(</span><span style="color:#AB5959;">-</span><span style="color:#2F798A;">30305</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">408420</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">2</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result1</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result3</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// Output:</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 50</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 33.33</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// -7.42</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="RoundToFloat" tabindex="-1"><span id="RoundToFloat">RoundToFloat</span> <a class="header-anchor" href="#RoundToFloat" aria-label="Permalink to &quot;&lt;span id=&quot;RoundToFloat&quot;&gt;RoundToFloat&lt;/span&gt;&quot;">​</a></h3><p>四舍五入，保留n位小数</p><p><b>函数签名:</b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">RoundToFloat</span><span style="color:#F6F6F4;">(x </span><span style="color:#97E1F1;font-style:italic;">float64</span><span style="color:#F6F6F4;">, n </span><span style="color:#97E1F1;font-style:italic;">int</span><span style="color:#F6F6F4;">) </span><span style="color:#97E1F1;font-style:italic;">float64</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">RoundToFloat</span><span style="color:#999999;">(</span><span style="color:#393A34;">x </span><span style="color:#AB5959;">float64</span><span style="color:#999999;">,</span><span style="color:#393A34;"> n </span><span style="color:#AB5959;">int</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">float64</span></span></code></pre></div><p><b>示例:<span class="run-container"><a href="https://go.dev/play/p/ghyb528JRJL" target="_blank" rel="noreferrer">运行</a></span></b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">package</span><span style="color:#F6F6F4;"> main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">import</span><span style="color:#F6F6F4;"> (</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">fmt</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">main</span><span style="color:#F6F6F4;">() {</span></span>
<span class="line"><span style="color:#F6F6F4;"> result1 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">RoundToFloat</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">0.124</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">2</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result2 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">RoundToFloat</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">0.125</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">2</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result3 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">RoundToFloat</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">0.125</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">3</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result1)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result2)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result3)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// Output:</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 0.12</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 0.13</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 0.125</span></span>
<span class="line"><span style="color:#F6F6F4;">}</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">package</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">import</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">fmt</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result1</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">RoundToFloat</span><span style="color:#999999;">(</span><span style="color:#2F798A;">0.124</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result2</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">RoundToFloat</span><span style="color:#999999;">(</span><span style="color:#2F798A;">0.125</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result3</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">RoundToFloat</span><span style="color:#999999;">(</span><span style="color:#2F798A;">0.125</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">3</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result1</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result3</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// Output:</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 0.12</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 0.13</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 0.125</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="RoundToString" tabindex="-1"><span id="RoundToString">RoundToString</span> <a class="header-anchor" href="#RoundToString" aria-label="Permalink to &quot;&lt;span id=&quot;RoundToString&quot;&gt;RoundToString&lt;/span&gt;&quot;">​</a></h3><p>四舍五入，保留n位小数，返回字符串</p><p><b>函数签名:</b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">RoundToString</span><span style="color:#F6F6F4;">(x </span><span style="color:#97E1F1;font-style:italic;">float64</span><span style="color:#F6F6F4;">, n </span><span style="color:#97E1F1;font-style:italic;">int</span><span style="color:#F6F6F4;">) </span><span style="color:#97E1F1;font-style:italic;">string</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">RoundToString</span><span style="color:#999999;">(</span><span style="color:#393A34;">x </span><span style="color:#AB5959;">float64</span><span style="color:#999999;">,</span><span style="color:#393A34;"> n </span><span style="color:#AB5959;">int</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">string</span></span></code></pre></div><p><b>示例:<span class="run-container"><a href="https://go.dev/play/p/kZwpBRAcllO" target="_blank" rel="noreferrer">运行</a></span></b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">package</span><span style="color:#F6F6F4;"> main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">import</span><span style="color:#F6F6F4;"> (</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">fmt</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">main</span><span style="color:#F6F6F4;">() {</span></span>
<span class="line"><span style="color:#F6F6F4;"> result1 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">RoundToString</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">0.124</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">2</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result2 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">RoundToString</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">0.125</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">2</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result3 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">RoundToString</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">0.125</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">3</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result1)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result2)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result3)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// Output:</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 0.12</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 0.13</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 0.125</span></span>
<span class="line"><span style="color:#F6F6F4;">}</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">package</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">import</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">fmt</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result1</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">RoundToString</span><span style="color:#999999;">(</span><span style="color:#2F798A;">0.124</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result2</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">RoundToString</span><span style="color:#999999;">(</span><span style="color:#2F798A;">0.125</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result3</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">RoundToString</span><span style="color:#999999;">(</span><span style="color:#2F798A;">0.125</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">3</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result1</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result3</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// Output:</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 0.12</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 0.13</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 0.125</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="TruncRound" tabindex="-1"><span id="TruncRound">TruncRound</span> <a class="header-anchor" href="#TruncRound" aria-label="Permalink to &quot;&lt;span id=&quot;TruncRound&quot;&gt;TruncRound&lt;/span&gt;&quot;">​</a></h3><p>截短n位小数（不进行四舍五入）</p><p><b>函数签名:</b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">TruncRound</span><span style="color:#F6F6F4;">(x </span><span style="color:#97E1F1;font-style:italic;">float64</span><span style="color:#F6F6F4;">, n </span><span style="color:#97E1F1;font-style:italic;">int</span><span style="color:#F6F6F4;">) </span><span style="color:#97E1F1;font-style:italic;">float64</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">TruncRound</span><span style="color:#999999;">(</span><span style="color:#393A34;">x </span><span style="color:#AB5959;">float64</span><span style="color:#999999;">,</span><span style="color:#393A34;"> n </span><span style="color:#AB5959;">int</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">float64</span></span></code></pre></div><p><b>示例:<span class="run-container"><a href="https://go.dev/play/p/aumarSHIGzP" target="_blank" rel="noreferrer">运行</a></span></b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">package</span><span style="color:#F6F6F4;"> main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">import</span><span style="color:#F6F6F4;"> (</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">fmt</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">main</span><span style="color:#F6F6F4;">() {</span></span>
<span class="line"><span style="color:#F6F6F4;"> result1 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">TruncRound</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">0.124</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">2</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result2 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">TruncRound</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">0.125</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">2</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result3 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">TruncRound</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">0.125</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">3</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result1)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result2)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result3)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// Output:</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 0.12</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 0.12</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 0.125</span></span>
<span class="line"><span style="color:#F6F6F4;">}</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">package</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">import</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">fmt</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result1</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">TruncRound</span><span style="color:#999999;">(</span><span style="color:#2F798A;">0.124</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result2</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">TruncRound</span><span style="color:#999999;">(</span><span style="color:#2F798A;">0.125</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result3</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">TruncRound</span><span style="color:#999999;">(</span><span style="color:#2F798A;">0.125</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">3</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result1</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result3</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// Output:</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 0.12</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 0.12</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 0.125</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="Range" tabindex="-1"><span id="Range">Range</span> <a class="header-anchor" href="#Range" aria-label="Permalink to &quot;&lt;span id=&quot;Range&quot;&gt;Range&lt;/span&gt;&quot;">​</a></h3><p>根据指定的起始值和数量，创建一个数字切片。</p><p><b>函数签名:</b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> Range[T constraints.Integer </span><span style="color:#F286C4;">|</span><span style="color:#F6F6F4;"> constraints.Float](start T, count </span><span style="color:#97E1F1;font-style:italic;">int</span><span style="color:#F6F6F4;">) []T</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> Range</span><span style="color:#999999;">[</span><span style="color:#393A34;">T constraints</span><span style="color:#999999;">.</span><span style="color:#393A34;">Integer </span><span style="color:#AB5959;">|</span><span style="color:#393A34;"> constraints</span><span style="color:#999999;">.</span><span style="color:#393A34;">Float</span><span style="color:#999999;">](</span><span style="color:#393A34;">start T</span><span style="color:#999999;">,</span><span style="color:#393A34;"> count </span><span style="color:#AB5959;">int</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#999999;">[]</span><span style="color:#393A34;">T</span></span></code></pre></div><p><b>示例:<span class="run-container"><a href="https://go.dev/play/p/9ke2opxa8ZP" target="_blank" rel="noreferrer">运行</a></span></b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">package</span><span style="color:#F6F6F4;"> main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">import</span><span style="color:#F6F6F4;"> (</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">fmt</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">main</span><span style="color:#F6F6F4;">() {</span></span>
<span class="line"><span style="color:#F6F6F4;"> result1 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">Range</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">1</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">4</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result2 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">Range</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">1</span><span style="color:#F6F6F4;">, </span><span style="color:#F286C4;">-</span><span style="color:#BF9EEE;">4</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result3 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">Range</span><span style="color:#F6F6F4;">(</span><span style="color:#F286C4;">-</span><span style="color:#BF9EEE;">4</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">4</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result4 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">Range</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">1.0</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">4</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result1)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result2)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result3)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result4)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// Output:</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// [1 2 3 4]</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// [1 2 3 4]</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// [-4 -3 -2 -1]</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// [1 2 3 4]</span></span>
<span class="line"><span style="color:#F6F6F4;">}</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">package</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">import</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">fmt</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result1</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">Range</span><span style="color:#999999;">(</span><span style="color:#2F798A;">1</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">4</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result2</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">Range</span><span style="color:#999999;">(</span><span style="color:#2F798A;">1</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">-</span><span style="color:#2F798A;">4</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result3</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">Range</span><span style="color:#999999;">(</span><span style="color:#AB5959;">-</span><span style="color:#2F798A;">4</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">4</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result4</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">Range</span><span style="color:#999999;">(</span><span style="color:#2F798A;">1.0</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">4</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result1</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result3</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result4</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// Output:</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// [1 2 3 4]</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// [1 2 3 4]</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// [-4 -3 -2 -1]</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// [1 2 3 4]</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="RangeWithStep" tabindex="-1"><span id="RangeWithStep">RangeWithStep</span> <a class="header-anchor" href="#RangeWithStep" aria-label="Permalink to &quot;&lt;span id=&quot;RangeWithStep&quot;&gt;RangeWithStep&lt;/span&gt;&quot;">​</a></h3><p>根据指定的起始值，结束值，步长，创建一个数字切片。</p><p><b>函数签名:</b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> RangeWithStep[T constraints.Integer </span><span style="color:#F286C4;">|</span><span style="color:#F6F6F4;"> constraints.Float](start, end, step T) []T</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> RangeWithStep</span><span style="color:#999999;">[</span><span style="color:#393A34;">T constraints</span><span style="color:#999999;">.</span><span style="color:#393A34;">Integer </span><span style="color:#AB5959;">|</span><span style="color:#393A34;"> constraints</span><span style="color:#999999;">.</span><span style="color:#393A34;">Float</span><span style="color:#999999;">](</span><span style="color:#393A34;">start</span><span style="color:#999999;">,</span><span style="color:#393A34;"> end</span><span style="color:#999999;">,</span><span style="color:#393A34;"> step T</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#999999;">[]</span><span style="color:#393A34;">T</span></span></code></pre></div><p><b>示例:<span class="run-container"><a href="https://go.dev/play/p/akLWz0EqOSM" target="_blank" rel="noreferrer">运行</a></span></b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">package</span><span style="color:#F6F6F4;"> main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">import</span><span style="color:#F6F6F4;"> (</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">fmt</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">main</span><span style="color:#F6F6F4;">() {</span></span>
<span class="line"><span style="color:#F6F6F4;"> result1 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">RangeWithStep</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">1</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">4</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">1</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result2 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">RangeWithStep</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">1</span><span style="color:#F6F6F4;">, </span><span style="color:#F286C4;">-</span><span style="color:#BF9EEE;">1</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">0</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result3 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">RangeWithStep</span><span style="color:#F6F6F4;">(</span><span style="color:#F286C4;">-</span><span style="color:#BF9EEE;">4</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">1</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">2</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result4 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">RangeWithStep</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">1.0</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">4.0</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">1.1</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result1)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result2)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result3)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result4)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// Output:</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// [1 2 3]</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// []</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// [-4 -2 0]</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// [1 2.1 3.2]</span></span>
<span class="line"><span style="color:#F6F6F4;">}</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">package</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">import</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">fmt</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result1</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">RangeWithStep</span><span style="color:#999999;">(</span><span style="color:#2F798A;">1</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">4</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">1</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result2</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">RangeWithStep</span><span style="color:#999999;">(</span><span style="color:#2F798A;">1</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">-</span><span style="color:#2F798A;">1</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">0</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result3</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">RangeWithStep</span><span style="color:#999999;">(</span><span style="color:#AB5959;">-</span><span style="color:#2F798A;">4</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">1</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result4</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">RangeWithStep</span><span style="color:#999999;">(</span><span style="color:#2F798A;">1.0</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">4.0</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">1.1</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result1</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result3</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result4</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// Output:</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// [1 2 3]</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// []</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// [-4 -2 0]</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// [1 2.1 3.2]</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="AngleToRadian" tabindex="-1"><span id="AngleToRadian">AngleToRadian</span> <a class="header-anchor" href="#AngleToRadian" aria-label="Permalink to &quot;&lt;span id=&quot;AngleToRadian&quot;&gt;AngleToRadian&lt;/span&gt;&quot;">​</a></h3><p>将角度值转为弧度值</p><p><b>函数签名:</b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">AngleToRadian</span><span style="color:#F6F6F4;">(angle </span><span style="color:#97E1F1;font-style:italic;">float64</span><span style="color:#F6F6F4;">) </span><span style="color:#97E1F1;font-style:italic;">float64</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">AngleToRadian</span><span style="color:#999999;">(</span><span style="color:#393A34;">angle </span><span style="color:#AB5959;">float64</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">float64</span></span></code></pre></div><p><b>示例:<span class="run-container"><a href="https://go.dev/play/p/CIvlICqrHql" target="_blank" rel="noreferrer">运行</a></span></b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">package</span><span style="color:#F6F6F4;"> main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">import</span><span style="color:#F6F6F4;"> (</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">fmt</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">main</span><span style="color:#F6F6F4;">() {</span></span>
<span class="line"><span style="color:#F6F6F4;"> result1 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">AngleToRadian</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">45</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result2 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">AngleToRadian</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">90</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result3 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">AngleToRadian</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">180</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result1)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result2)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result3)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// Output:</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 0.7853981633974483</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 1.5707963267948966</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 3.141592653589793</span></span>
<span class="line"><span style="color:#F6F6F4;">}</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">package</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">import</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">fmt</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result1</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">AngleToRadian</span><span style="color:#999999;">(</span><span style="color:#2F798A;">45</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result2</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">AngleToRadian</span><span style="color:#999999;">(</span><span style="color:#2F798A;">90</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result3</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">AngleToRadian</span><span style="color:#999999;">(</span><span style="color:#2F798A;">180</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result1</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result3</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// Output:</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 0.7853981633974483</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 1.5707963267948966</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 3.141592653589793</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="RadianToAngle" tabindex="-1"><span id="RadianToAngle">RadianToAngle</span> <a class="header-anchor" href="#RadianToAngle" aria-label="Permalink to &quot;&lt;span id=&quot;RadianToAngle&quot;&gt;RadianToAngle&lt;/span&gt;&quot;">​</a></h3><p>将弧度值转为角度值</p><p><b>函数签名:</b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">RadianToAngle</span><span style="color:#F6F6F4;">(radian </span><span style="color:#97E1F1;font-style:italic;">float64</span><span style="color:#F6F6F4;">) </span><span style="color:#97E1F1;font-style:italic;">float64</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">RadianToAngle</span><span style="color:#999999;">(</span><span style="color:#393A34;">radian </span><span style="color:#AB5959;">float64</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">float64</span></span></code></pre></div><p><b>示例:<span class="run-container"><a href="https://go.dev/play/p/dQtmOTUOMgi" target="_blank" rel="noreferrer">运行</a></span></b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">package</span><span style="color:#F6F6F4;"> main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">import</span><span style="color:#F6F6F4;"> (</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">fmt</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">main</span><span style="color:#F6F6F4;">() {</span></span>
<span class="line"><span style="color:#F6F6F4;"> result1 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">RadianToAngle</span><span style="color:#F6F6F4;">(math.Pi)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result2 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">RadianToAngle</span><span style="color:#F6F6F4;">(math.Pi </span><span style="color:#F286C4;">/</span><span style="color:#F6F6F4;"> </span><span style="color:#BF9EEE;">2</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result3 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">RadianToAngle</span><span style="color:#F6F6F4;">(math.Pi </span><span style="color:#F286C4;">/</span><span style="color:#F6F6F4;"> </span><span style="color:#BF9EEE;">4</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result1)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result2)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result3)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// Output:</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 180</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 90</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 45</span></span>
<span class="line"><span style="color:#F6F6F4;">}</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">package</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">import</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">fmt</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result1</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">RadianToAngle</span><span style="color:#999999;">(</span><span style="color:#393A34;">math</span><span style="color:#999999;">.</span><span style="color:#393A34;">Pi</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result2</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">RadianToAngle</span><span style="color:#999999;">(</span><span style="color:#393A34;">math</span><span style="color:#999999;">.</span><span style="color:#393A34;">Pi </span><span style="color:#AB5959;">/</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result3</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">RadianToAngle</span><span style="color:#999999;">(</span><span style="color:#393A34;">math</span><span style="color:#999999;">.</span><span style="color:#393A34;">Pi </span><span style="color:#AB5959;">/</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">4</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result1</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result3</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// Output:</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 180</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 90</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 45</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="PointDistance" tabindex="-1"><span id="PointDistance">PointDistance</span> <a class="header-anchor" href="#PointDistance" aria-label="Permalink to &quot;&lt;span id=&quot;PointDistance&quot;&gt;PointDistance&lt;/span&gt;&quot;">​</a></h3><p>计算两个坐标点的距离</p><p><b>函数签名:</b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">PointDistance</span><span style="color:#F6F6F4;">(x1, y1, x2, y2 </span><span style="color:#97E1F1;font-style:italic;">float64</span><span style="color:#F6F6F4;">) </span><span style="color:#97E1F1;font-style:italic;">float64</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">PointDistance</span><span style="color:#999999;">(</span><span style="color:#393A34;">x1</span><span style="color:#999999;">,</span><span style="color:#393A34;"> y1</span><span style="color:#999999;">,</span><span style="color:#393A34;"> x2</span><span style="color:#999999;">,</span><span style="color:#393A34;"> y2 </span><span style="color:#AB5959;">float64</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">float64</span></span></code></pre></div><p><b>示例:<span class="run-container"><a href="https://go.dev/play/p/RrG4JIaziM8" target="_blank" rel="noreferrer">运行</a></span></b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">package</span><span style="color:#F6F6F4;"> main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">import</span><span style="color:#F6F6F4;"> (</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">fmt</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">main</span><span style="color:#F6F6F4;">() {</span></span>
<span class="line"><span style="color:#F6F6F4;"> result1 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">PointDistance</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">1</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">1</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">4</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">5</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result1)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// Output:</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 5</span></span>
<span class="line"><span style="color:#F6F6F4;">}</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">package</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">import</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">fmt</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result1</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">PointDistance</span><span style="color:#999999;">(</span><span style="color:#2F798A;">1</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">1</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">4</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">5</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result1</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// Output:</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 5</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="IsPrime" tabindex="-1"><span id="IsPrime">IsPrime</span> <a class="header-anchor" href="#IsPrime" aria-label="Permalink to &quot;&lt;span id=&quot;IsPrime&quot;&gt;IsPrime&lt;/span&gt;&quot;">​</a></h3><p>判断质数。</p><p><b>函数签名:</b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">IsPrime</span><span style="color:#F6F6F4;">(n </span><span style="color:#97E1F1;font-style:italic;">int</span><span style="color:#F6F6F4;">) </span><span style="color:#97E1F1;font-style:italic;">bool</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">IsPrime</span><span style="color:#999999;">(</span><span style="color:#393A34;">n </span><span style="color:#AB5959;">int</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">bool</span></span></code></pre></div><p><b>示例:<span class="run-container"><a href="https://go.dev/play/p/Rdd8UTHZJ7u" target="_blank" rel="noreferrer">运行</a></span></b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">package</span><span style="color:#F6F6F4;"> main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">import</span><span style="color:#F6F6F4;"> (</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">fmt</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">main</span><span style="color:#F6F6F4;">() {</span></span>
<span class="line"><span style="color:#F6F6F4;"> result1 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">IsPrime</span><span style="color:#F6F6F4;">(</span><span style="color:#F286C4;">-</span><span style="color:#BF9EEE;">1</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result2 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">IsPrime</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">0</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result3 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">IsPrime</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">1</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result4 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">IsPrime</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">2</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result1)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result2)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result3)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result4)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// Output:</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// false</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// false</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// false</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// true</span></span>
<span class="line"><span style="color:#F6F6F4;">}</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">package</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">import</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">fmt</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result1</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">IsPrime</span><span style="color:#999999;">(</span><span style="color:#AB5959;">-</span><span style="color:#2F798A;">1</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result2</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">IsPrime</span><span style="color:#999999;">(</span><span style="color:#2F798A;">0</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result3</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">IsPrime</span><span style="color:#999999;">(</span><span style="color:#2F798A;">1</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result4</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">IsPrime</span><span style="color:#999999;">(</span><span style="color:#2F798A;">2</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result1</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result3</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result4</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// Output:</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// false</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// false</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// false</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// true</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="GCD" tabindex="-1"><span id="GCD">GCD</span> <a class="header-anchor" href="#GCD" aria-label="Permalink to &quot;&lt;span id=&quot;GCD&quot;&gt;GCD&lt;/span&gt;&quot;">​</a></h3><p>计算最大公约数。</p><p><b>函数签名:</b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> GCD[T constraints.Integer](integers </span><span style="color:#F286C4;">...</span><span style="color:#F6F6F4;">T) T</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> GCD</span><span style="color:#999999;">[</span><span style="color:#393A34;">T constraints</span><span style="color:#999999;">.</span><span style="color:#393A34;">Integer</span><span style="color:#999999;">](</span><span style="color:#393A34;">integers </span><span style="color:#AB5959;">...</span><span style="color:#393A34;">T</span><span style="color:#999999;">)</span><span style="color:#393A34;"> T</span></span></code></pre></div><p><b>示例:<span class="run-container"><a href="https://go.dev/play/p/CiEceLSoAKB" target="_blank" rel="noreferrer">运行</a></span></b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">package</span><span style="color:#F6F6F4;"> main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">import</span><span style="color:#F6F6F4;"> (</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">fmt</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">main</span><span style="color:#F6F6F4;">() {</span></span>
<span class="line"><span style="color:#F6F6F4;"> result1 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">GCD</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">1</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">1</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result2 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">GCD</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">1</span><span style="color:#F6F6F4;">, </span><span style="color:#F286C4;">-</span><span style="color:#BF9EEE;">1</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result3 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">GCD</span><span style="color:#F6F6F4;">(</span><span style="color:#F286C4;">-</span><span style="color:#BF9EEE;">1</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">1</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result4 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">GCD</span><span style="color:#F6F6F4;">(</span><span style="color:#F286C4;">-</span><span style="color:#BF9EEE;">1</span><span style="color:#F6F6F4;">, </span><span style="color:#F286C4;">-</span><span style="color:#BF9EEE;">1</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result5 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">GCD</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">3</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">6</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">9</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result1)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result2)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result3)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result4)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result5)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// Output:</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 1</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 1</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// -1</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// -1</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 3</span></span>
<span class="line"><span style="color:#F6F6F4;">}</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">package</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">import</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">fmt</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result1</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">GCD</span><span style="color:#999999;">(</span><span style="color:#2F798A;">1</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">1</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result2</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">GCD</span><span style="color:#999999;">(</span><span style="color:#2F798A;">1</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">-</span><span style="color:#2F798A;">1</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result3</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">GCD</span><span style="color:#999999;">(</span><span style="color:#AB5959;">-</span><span style="color:#2F798A;">1</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">1</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result4</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">GCD</span><span style="color:#999999;">(</span><span style="color:#AB5959;">-</span><span style="color:#2F798A;">1</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">-</span><span style="color:#2F798A;">1</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result5</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">GCD</span><span style="color:#999999;">(</span><span style="color:#2F798A;">3</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">6</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">9</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result1</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result3</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result4</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result5</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// Output:</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 1</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 1</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// -1</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// -1</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 3</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="LCM" tabindex="-1"><span id="LCM">LCM</span> <a class="header-anchor" href="#LCM" aria-label="Permalink to &quot;&lt;span id=&quot;LCM&quot;&gt;LCM&lt;/span&gt;&quot;">​</a></h3><p>计算最小公倍数。</p><p><b>函数签名:</b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> LCM[T constraints.Integer](integers </span><span style="color:#F286C4;">...</span><span style="color:#F6F6F4;">T) T</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> LCM</span><span style="color:#999999;">[</span><span style="color:#393A34;">T constraints</span><span style="color:#999999;">.</span><span style="color:#393A34;">Integer</span><span style="color:#999999;">](</span><span style="color:#393A34;">integers </span><span style="color:#AB5959;">...</span><span style="color:#393A34;">T</span><span style="color:#999999;">)</span><span style="color:#393A34;"> T</span></span></code></pre></div><p><b>示例:<span class="run-container"><a href="https://go.dev/play/p/EjcZxfY7G_g" target="_blank" rel="noreferrer">运行</a></span></b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">package</span><span style="color:#F6F6F4;"> main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">import</span><span style="color:#F6F6F4;"> (</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">fmt</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">main</span><span style="color:#F6F6F4;">() {</span></span>
<span class="line"><span style="color:#F6F6F4;"> result1 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">LCM</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">1</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">1</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result2 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">LCM</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">1</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">2</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result3 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">LCM</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">3</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">6</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">9</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result1)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result2)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result3)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// Output:</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 1</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 2</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 18</span></span>
<span class="line"><span style="color:#F6F6F4;">}</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">package</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">import</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">fmt</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result1</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">LCM</span><span style="color:#999999;">(</span><span style="color:#2F798A;">1</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">1</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result2</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">LCM</span><span style="color:#999999;">(</span><span style="color:#2F798A;">1</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result3</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">LCM</span><span style="color:#999999;">(</span><span style="color:#2F798A;">3</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">6</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">9</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result1</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result3</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// Output:</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 1</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 2</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 18</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="Cos" tabindex="-1"><span id="Cos">Cos</span> <a class="header-anchor" href="#Cos" aria-label="Permalink to &quot;&lt;span id=&quot;Cos&quot;&gt;Cos&lt;/span&gt;&quot;">​</a></h3><p>计算弧度的余弦值</p><p><b>函数签名:</b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">Cos</span><span style="color:#F6F6F4;">(radian </span><span style="color:#97E1F1;font-style:italic;">float64</span><span style="color:#F6F6F4;">, precision </span><span style="color:#F286C4;">...</span><span style="color:#97E1F1;font-style:italic;">int</span><span style="color:#F6F6F4;">) </span><span style="color:#97E1F1;font-style:italic;">float64</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">Cos</span><span style="color:#999999;">(</span><span style="color:#393A34;">radian </span><span style="color:#AB5959;">float64</span><span style="color:#999999;">,</span><span style="color:#393A34;"> precision </span><span style="color:#AB5959;">...int</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">float64</span></span></code></pre></div><p><b>示例:<span class="run-container"><a href="https://go.dev/play/p/Sm89LoIfvFq" target="_blank" rel="noreferrer">运行</a></span></b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">package</span><span style="color:#F6F6F4;"> main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">import</span><span style="color:#F6F6F4;"> (</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">fmt</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">main</span><span style="color:#F6F6F4;">() {</span></span>
<span class="line"><span style="color:#F6F6F4;"> result1 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">Cos</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">0</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result2 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">Cos</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">90</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result3 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">Cos</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">180</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result4 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">Cos</span><span style="color:#F6F6F4;">(math.Pi)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result5 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">Cos</span><span style="color:#F6F6F4;">(math.Pi </span><span style="color:#F286C4;">/</span><span style="color:#F6F6F4;"> </span><span style="color:#BF9EEE;">2</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result1)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result2)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result3)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result4)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result5)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// Output:</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 1</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// -0.447</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// -0.598</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// -1</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 0</span></span>
<span class="line"><span style="color:#F6F6F4;">}</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">package</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">import</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">fmt</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result1</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">Cos</span><span style="color:#999999;">(</span><span style="color:#2F798A;">0</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result2</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">Cos</span><span style="color:#999999;">(</span><span style="color:#2F798A;">90</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result3</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">Cos</span><span style="color:#999999;">(</span><span style="color:#2F798A;">180</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result4</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">Cos</span><span style="color:#999999;">(</span><span style="color:#393A34;">math</span><span style="color:#999999;">.</span><span style="color:#393A34;">Pi</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result5</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">Cos</span><span style="color:#999999;">(</span><span style="color:#393A34;">math</span><span style="color:#999999;">.</span><span style="color:#393A34;">Pi </span><span style="color:#AB5959;">/</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">2</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result1</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result3</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result4</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result5</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// Output:</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 1</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// -0.447</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// -0.598</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// -1</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 0</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="Sin" tabindex="-1"><span id="Sin">Sin</span> <a class="header-anchor" href="#Sin" aria-label="Permalink to &quot;&lt;span id=&quot;Sin&quot;&gt;Sin&lt;/span&gt;&quot;">​</a></h3><p>计算弧度的正弦值</p><p><b>函数签名:</b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">Sin</span><span style="color:#F6F6F4;">(radian </span><span style="color:#97E1F1;font-style:italic;">float64</span><span style="color:#F6F6F4;">, precision </span><span style="color:#F286C4;">...</span><span style="color:#97E1F1;font-style:italic;">int</span><span style="color:#F6F6F4;">) </span><span style="color:#97E1F1;font-style:italic;">float64</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">Sin</span><span style="color:#999999;">(</span><span style="color:#393A34;">radian </span><span style="color:#AB5959;">float64</span><span style="color:#999999;">,</span><span style="color:#393A34;"> precision </span><span style="color:#AB5959;">...int</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">float64</span></span></code></pre></div><p><b>示例:<span class="run-container"><a href="https://go.dev/play/p/TWMQlMywDsP" target="_blank" rel="noreferrer">运行</a></span></b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">package</span><span style="color:#F6F6F4;"> main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">import</span><span style="color:#F6F6F4;"> (</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">fmt</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">main</span><span style="color:#F6F6F4;">() {</span></span>
<span class="line"><span style="color:#F6F6F4;"> result1 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">Sin</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">0</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result2 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">Sin</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">90</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result3 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">Sin</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">180</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result4 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">Sin</span><span style="color:#F6F6F4;">(math.Pi)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result5 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">Sin</span><span style="color:#F6F6F4;">(math.Pi </span><span style="color:#F286C4;">/</span><span style="color:#F6F6F4;"> </span><span style="color:#BF9EEE;">2</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result1)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result2)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result3)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result4)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result5)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// Output:</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 0</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 0.894</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// -0.801</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 0</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 1</span></span>
<span class="line"><span style="color:#F6F6F4;">}</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">package</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">import</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">fmt</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result1</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">Sin</span><span style="color:#999999;">(</span><span style="color:#2F798A;">0</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result2</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">Sin</span><span style="color:#999999;">(</span><span style="color:#2F798A;">90</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result3</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">Sin</span><span style="color:#999999;">(</span><span style="color:#2F798A;">180</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result4</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">Sin</span><span style="color:#999999;">(</span><span style="color:#393A34;">math</span><span style="color:#999999;">.</span><span style="color:#393A34;">Pi</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result5</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">Sin</span><span style="color:#999999;">(</span><span style="color:#393A34;">math</span><span style="color:#999999;">.</span><span style="color:#393A34;">Pi </span><span style="color:#AB5959;">/</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">2</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result1</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result3</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result4</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result5</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// Output:</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 0</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 0.894</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// -0.801</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 0</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 1</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="Log" tabindex="-1"><span id="Log">Log</span> <a class="header-anchor" href="#Log" aria-label="Permalink to &quot;&lt;span id=&quot;Log&quot;&gt;Log&lt;/span&gt;&quot;">​</a></h3><p>计算以base为底n的对数。</p><p><b>函数签名:</b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">Log</span><span style="color:#F6F6F4;">(n, base </span><span style="color:#97E1F1;font-style:italic;">float64</span><span style="color:#F6F6F4;">) </span><span style="color:#97E1F1;font-style:italic;">float64</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">Log</span><span style="color:#999999;">(</span><span style="color:#393A34;">n</span><span style="color:#999999;">,</span><span style="color:#393A34;"> base </span><span style="color:#AB5959;">float64</span><span style="color:#999999;">)</span><span style="color:#393A34;"> </span><span style="color:#AB5959;">float64</span></span></code></pre></div><p><b>示例:<span class="run-container"><a href="https://go.dev/play/p/_d4bi8oyhat" target="_blank" rel="noreferrer">运行</a></span></b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">package</span><span style="color:#F6F6F4;"> main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">import</span><span style="color:#F6F6F4;"> (</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">fmt</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">main</span><span style="color:#F6F6F4;">() {</span></span>
<span class="line"><span style="color:#F6F6F4;"> result1 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">Log</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">8</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">2</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result2 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">TruncRound</span><span style="color:#F6F6F4;">(mathutil.</span><span style="color:#97E1F1;">Log</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">5</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">2</span><span style="color:#F6F6F4;">), </span><span style="color:#BF9EEE;">2</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result3 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">TruncRound</span><span style="color:#F6F6F4;">(mathutil.</span><span style="color:#97E1F1;">Log</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">27</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">3</span><span style="color:#F6F6F4;">), </span><span style="color:#BF9EEE;">0</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result1)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result2)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result3)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// Output:</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 3</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 2.32</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 3</span></span>
<span class="line"><span style="color:#F6F6F4;">}</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">package</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">import</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">fmt</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result1</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">Log</span><span style="color:#999999;">(</span><span style="color:#2F798A;">8</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result2</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">TruncRound</span><span style="color:#999999;">(</span><span style="color:#393A34;">mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">Log</span><span style="color:#999999;">(</span><span style="color:#2F798A;">5</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">2</span><span style="color:#999999;">),</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result3</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">TruncRound</span><span style="color:#999999;">(</span><span style="color:#393A34;">mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">Log</span><span style="color:#999999;">(</span><span style="color:#2F798A;">27</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">3</span><span style="color:#999999;">),</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">0</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result1</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result3</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// Output:</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 3</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 2.32</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 3</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="Sum" tabindex="-1"><span id="Sum">Sum</span> <a class="header-anchor" href="#Sum" aria-label="Permalink to &quot;&lt;span id=&quot;Sum&quot;&gt;Sum&lt;/span&gt;&quot;">​</a></h3><p>求传入参数之和。</p><p><b>函数签名:</b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> Sum[T constraints.Integer </span><span style="color:#F286C4;">|</span><span style="color:#F6F6F4;"> constraints.Float](numbers </span><span style="color:#F286C4;">...</span><span style="color:#F6F6F4;">T) T</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> Sum</span><span style="color:#999999;">[</span><span style="color:#393A34;">T constraints</span><span style="color:#999999;">.</span><span style="color:#393A34;">Integer </span><span style="color:#AB5959;">|</span><span style="color:#393A34;"> constraints</span><span style="color:#999999;">.</span><span style="color:#393A34;">Float</span><span style="color:#999999;">](</span><span style="color:#393A34;">numbers </span><span style="color:#AB5959;">...</span><span style="color:#393A34;">T</span><span style="color:#999999;">)</span><span style="color:#393A34;"> T</span></span></code></pre></div><p><b>示例:<span class="run-container"><a href="https://go.dev/play/p/1To2ImAMJA7" target="_blank" rel="noreferrer">运行</a></span></b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">package</span><span style="color:#F6F6F4;"> main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">import</span><span style="color:#F6F6F4;"> (</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">fmt</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">main</span><span style="color:#F6F6F4;">() {</span></span>
<span class="line"><span style="color:#F6F6F4;"> result1 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">Sum</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">1</span><span style="color:#F6F6F4;">, </span><span style="color:#BF9EEE;">2</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result2 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> mathutil.</span><span style="color:#97E1F1;">Sum</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">0.1</span><span style="color:#F6F6F4;">, </span><span style="color:#97E1F1;">float64</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">1</span><span style="color:#F6F6F4;">))</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result1)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result2)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// Output:</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 3</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 1.1</span></span>
<span class="line"><span style="color:#F6F6F4;">}</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">package</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">import</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">fmt</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result1</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">Sum</span><span style="color:#999999;">(</span><span style="color:#2F798A;">1</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#2F798A;">2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result2</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> mathutil</span><span style="color:#999999;">.</span><span style="color:#998418;">Sum</span><span style="color:#999999;">(</span><span style="color:#2F798A;">0.1</span><span style="color:#999999;">,</span><span style="color:#393A34;"> </span><span style="color:#998418;">float64</span><span style="color:#999999;">(</span><span style="color:#2F798A;">1</span><span style="color:#999999;">))</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result1</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result2</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// Output:</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 3</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 1.1</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div><h3 id="Abs" tabindex="-1"><span id="Abs">Abs</span> <a class="header-anchor" href="#Abs" aria-label="Permalink to &quot;&lt;span id=&quot;Abs&quot;&gt;Abs&lt;/span&gt;&quot;">​</a></h3><p>求绝对值。</p><p><b>函数签名:</b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> Abs[T constraints.Integer </span><span style="color:#F286C4;">|</span><span style="color:#F6F6F4;"> constraints.Float](x T) T</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> Abs</span><span style="color:#999999;">[</span><span style="color:#393A34;">T constraints</span><span style="color:#999999;">.</span><span style="color:#393A34;">Integer </span><span style="color:#AB5959;">|</span><span style="color:#393A34;"> constraints</span><span style="color:#999999;">.</span><span style="color:#393A34;">Float</span><span style="color:#999999;">](</span><span style="color:#393A34;">x T</span><span style="color:#999999;">)</span><span style="color:#393A34;"> T</span></span></code></pre></div><p><b>示例:<span class="run-container"><a href="https://go.dev/play/p/fsyBh1Os-1d" target="_blank" rel="noreferrer">运行</a></span></b></p><div class="language-go vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">go</span><pre class="shiki dracula-soft vp-code-dark"><code><span class="line"><span style="color:#F286C4;">package</span><span style="color:#F6F6F4;"> main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">import</span><span style="color:#F6F6F4;"> (</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">fmt</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#DEE492;">&quot;</span><span style="color:#E7EE98;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#DEE492;">&quot;</span></span>
<span class="line"><span style="color:#F6F6F4;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F286C4;">func</span><span style="color:#F6F6F4;"> </span><span style="color:#62E884;">main</span><span style="color:#F6F6F4;">() {</span></span>
<span class="line"><span style="color:#F6F6F4;"> result1 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> </span><span style="color:#97E1F1;">Abs</span><span style="color:#F6F6F4;">(</span><span style="color:#F286C4;">-</span><span style="color:#BF9EEE;">1</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result2 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> </span><span style="color:#97E1F1;">Abs</span><span style="color:#F6F6F4;">(</span><span style="color:#F286C4;">-</span><span style="color:#BF9EEE;">0.1</span><span style="color:#F6F6F4;">)</span></span>
<span class="line"><span style="color:#F6F6F4;"> result3 </span><span style="color:#F286C4;">:=</span><span style="color:#F6F6F4;"> </span><span style="color:#97E1F1;">Abs</span><span style="color:#F6F6F4;">(</span><span style="color:#97E1F1;">float32</span><span style="color:#F6F6F4;">(</span><span style="color:#BF9EEE;">0.2</span><span style="color:#F6F6F4;">))</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result1)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result2)</span></span>
<span class="line"><span style="color:#F6F6F4;"> fmt.</span><span style="color:#97E1F1;">Println</span><span style="color:#F6F6F4;">(result3)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// Output:</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 1</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 0.1</span></span>
<span class="line"><span style="color:#F6F6F4;"> </span><span style="color:#7B7F8B;">// 0.2</span></span>
<span class="line"><span style="color:#F6F6F4;">}</span></span></code></pre><pre class="shiki vitesse-light vp-code-light"><code><span class="line"><span style="color:#1E754F;">package</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">import</span><span style="color:#393A34;"> </span><span style="color:#999999;">(</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">fmt</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B5695999;">&quot;</span><span style="color:#59873A;">github.com/duke-git/lancet/v2/mathutil</span><span style="color:#B5695999;">&quot;</span></span>
<span class="line"><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#1E754F;">func</span><span style="color:#393A34;"> </span><span style="color:#59873A;">main</span><span style="color:#999999;">()</span><span style="color:#393A34;"> </span><span style="color:#999999;">{</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result1</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> </span><span style="color:#998418;">Abs</span><span style="color:#999999;">(</span><span style="color:#AB5959;">-</span><span style="color:#2F798A;">1</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result2</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> </span><span style="color:#998418;">Abs</span><span style="color:#999999;">(</span><span style="color:#AB5959;">-</span><span style="color:#2F798A;">0.1</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#B07D48;">result3</span><span style="color:#393A34;"> </span><span style="color:#999999;">:=</span><span style="color:#393A34;"> </span><span style="color:#998418;">Abs</span><span style="color:#999999;">(</span><span style="color:#998418;">float32</span><span style="color:#999999;">(</span><span style="color:#2F798A;">0.2</span><span style="color:#999999;">))</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result1</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result2</span><span style="color:#999999;">)</span></span>
<span class="line"><span style="color:#393A34;"> fmt</span><span style="color:#999999;">.</span><span style="color:#998418;">Println</span><span style="color:#999999;">(</span><span style="color:#393A34;">result3</span><span style="color:#999999;">)</span></span>
<span class="line"></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// Output:</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 1</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 0.1</span></span>
<span class="line"><span style="color:#393A34;"> </span><span style="color:#A0ADA0;">// 0.2</span></span>
<span class="line"><span style="color:#999999;">}</span></span></code></pre></div></div></div></main><footer class="VPDocFooter" data-v-a3c25e27 data-v-5774f702><!--[--><!--]--><!----><nav class="prev-next" data-v-5774f702><div class="pager" data-v-5774f702><a class="pager-link prev" href="/api/packages/function.html" data-v-5774f702><span class="desc" data-v-5774f702>上一页</span><span class="title" data-v-5774f702>函数</span></a></div><div class="pager" data-v-5774f702><a class="pager-link next" href="/api/packages/maputil.html" data-v-5774f702><span class="desc" data-v-5774f702>下一页</span><span class="title" data-v-5774f702>Map</span></a></div></nav></footer><!--[--><!--]--></div></div></div><!--[--><!--]--></div></div><footer class="VPFooter has-sidebar" data-v-324e8308 data-v-e4279f1c><div class="container" data-v-e4279f1c><p class="message" data-v-e4279f1c>Released under the MIT License.</p><p class="copyright" data-v-e4279f1c>Copyright © 2023-present Duke Du</p></div></footer><!--[--><!--]--></div></div>
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