mbcp/en/api/mp_math/utils.html

52 lines
60 KiB
HTML
Raw Normal View History

<!DOCTYPE html>
<html lang="en-US" dir="ltr">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title>mbcp.mp_math.utils | MBCP docs</title>
<meta name="description" content="MBCP library docs">
<meta name="generator" content="VitePress v1.3.4">
<link rel="preload stylesheet" href="/assets/style.Czi07tLB.css" as="style">
<script type="module" src="/assets/app.ooCHBEUz.js"></script>
<link rel="modulepreload" href="/assets/chunks/theme.DVJrRbLX.js">
<link rel="modulepreload" href="/assets/chunks/framework.DpC1ZpOZ.js">
<link rel="modulepreload" href="/assets/en_api_mp_math_utils.md.C-COPCw_.lean.js">
<link rel="icon" type="image/svg+xml" href="/mbcp-logo.svg">
<link rel="stylesheet" href="https://fonts.font.im/css?family=Cousine:400,400i,700,700i|Poppins:100,100i,200,200i,300,300i,400,400i,500,500i,600,600i,700,700i,800,800i,900,900i">
<script id="check-dark-mode">(()=>{const e=localStorage.getItem("vitepress-theme-appearance")||"auto",a=window.matchMedia("(prefers-color-scheme: dark)").matches;(!e||e==="auto"?a:e==="dark")&&document.documentElement.classList.add("dark")})();</script>
<script id="check-mac-os">document.documentElement.classList.toggle("mac",/Mac|iPhone|iPod|iPad/i.test(navigator.platform));</script>
</head>
<body>
<div id="app"><div class="Layout" data-v-3b4648ff><!--[--><!--]--><!--[--><span tabindex="-1" data-v-e813112c></span><a href="#VPContent" class="VPSkipLink visually-hidden" data-v-e813112c> Skip to content </a><!--]--><!----><header class="VPNav" data-v-3b4648ff data-v-e823d444><div class="VPNavBar has-sidebar top" data-v-e823d444 data-v-da0688be><div class="wrapper" data-v-da0688be><div class="container" data-v-da0688be><div class="title" data-v-da0688be><div class="VPNavBarTitle has-sidebar" data-v-da0688be data-v-606a7e0f><a class="title" href="/en/" data-v-606a7e0f><!--[--><!--]--><!--[--><img class="VPImage logo" src="/mbcp-logo.svg" alt data-v-cc63e071><!--]--><span data-v-606a7e0f>MBCP docs</span><!--[--><!--]--></a></div></div><div class="content" data-v-da0688be><div class="content-body" data-v-da0688be><!--[--><!--]--><div class="VPNavBarSearch search" data-v-da0688be><!--[--><!----><div id="local-search"><button type="button" class="DocSearch DocSearch-Button" aria-label="Search"><span class="DocSearch-Button-Container"><span class="vp-icon DocSearch-Search-Icon"></span><span class="DocSearch-Button-Placeholder">Search</span></span><span class="DocSearch-Button-Keys"><kbd class="DocSearch-Button-Key"></kbd><kbd class="DocSearch-Button-Key">K</kbd></span></button></div><!--]--></div><nav aria-labelledby="main-nav-aria-label" class="VPNavBarMenu menu" data-v-da0688be data-v-bf53b681><span id="main-nav-aria-label" class="visually-hidden" data-v-bf53b681> Main Navigation </span><!--[--><!--[--><a class="VPLink link VPNavBarMenuLink" href="/en/guide/" tabindex="0" data-v-bf53b681 data-v-9a0da802><!--[--><span data-v-9a0da802>Get Start</span><!--]--></a><!--]--><!--[--><a class="VPLink link VPNavBarMenuLink" href="/en/refer.html" tabindex="0" data-v-bf53b681 data-v-9a0da802><!--[--><span data-v-9a0da802>Reference</span><!--]--></a><!--]--><!--[--><a class="VPLink link VPNavBarMenuLink" href="/en/api/" tabindex="0" data-v-bf53b681 data-v-9a0da802><!--[--><span data-v-9a0da802>API Reference</span><!--]--></a><!--]--><!--[--><a class="VPLink link VPNavBarMenuLink" href="/en/demo/" tabindex="0" data-v-bf53b681 data-v-9a0da802><!--[--><span data-v-9a0da802>Demo</span><!--]--></a><!--]--><!--]--></nav><div class="VPFlyout VPNavBarTranslations translations" data-v-da0688be data-v-912817b1 data-v-00660109><button type="button" class="button" aria-haspopup="true" aria-expanded="false" aria-label="Change language" data-v-00660109><span class="text" data-v-00660109><span class="vpi-languages option-icon" data-v-00660109></span><!----><span class="vpi-chevron-down text-icon" data-v-00660109></span></span></button><div class="menu" data-v-00660109><div class="VPMenu" data-v-00660109 data-v-809b8af7><!----><!--[--><!--[--><div class="items" data-v-912817b1><p class="title" data-v-912817b1>English</p><!--[--><div class="VPMenuLink" data-v-912817b1 data-v-25a54821><a class="VPLink link" href="/api/mp_math/utils.html" data-v-25a54821><!--[-->简体中文<!--]--></a></div><div class="VPMenuLink" data-v-912817b1 data-v-25a54821><a class="VPLink link" href="/ja/api/mp_math/utils.html" data-v-25a54821><!--[-->日本語<!--]--></a></div><div class="VPMenuLink" data-v-912817b1 data-v-25a54821><a class="VPLink link" href="/zht/api/mp_math/utils.html" data-v-25a54821><!--[-->繁體中文<!--]--></a></div><!--]--></div><!--]--><!--]--></div></div></div><div class="VPNavBarAppearance appearance" data-v-da0688be data-v-864d2abc><button class="VPSwitch VPSwitchAppearance" type="button" role="switch" title="Switch to dark theme" aria-checked="false" data-v-864d2abc data-v-3125216b data-v-846fe538><span class="check" data-v-846fe538><span class="icon" data-v-846fe538><!--[--><span class="vpi-sun sun" data-v-3125216b></span><span class="vpi-moon moon" data-v-3125216b></span><!--]--></span></span></button></div><div class="VPSocialLinks VPNavBarSocialLinks social-links" data-v-da0688be data-v-2c606308 data-v-100434c4><!--[--><a class="VPSocialLink no-icon" href="https://github.com/snowykami/mbcp" aria-label="github" target="_blank" rel="noopen
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> max</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">min</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(x, max_), min_)</span></span></code></pre></div></details><h3 id="class-approx" tabindex="-1"><em><strong>class</strong></em> <code>Approx</code> <a class="header-anchor" href="#class-approx" aria-label="Permalink to &quot;***class*** `Approx`&quot;"></a></h3><h4 id="method-init-self-value-realnumber" tabindex="-1"><em><strong>method</strong></em> <code>__init__(self, value: RealNumber)</code> <a class="header-anchor" href="#method-init-self-value-realnumber" aria-label="Permalink to &quot;***method*** `__init__(self, value: RealNumber)`&quot;"></a></h4><p><strong>Description</strong>: 用于近似比较对象</p><p><strong>Arguments</strong>:</p><blockquote><ul><li>value (<a href="./mp_math_typing.html#realnumber"><code>RealNumber</code></a>): 实数</li></ul></blockquote><details><summary><b>Source code</b> or <a href="https://github.com/snowykami/mbcp/tree/main/mbcp/mp_math/utils.py#L36" target="_blank">View on GitHub</a></summary><div class="language-python vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">python</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">def</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> __init__</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(self, value: RealNumber):</span></span>
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> self</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">.value </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> value</span></span></code></pre></div></details><h4 id="method-self-other" tabindex="-1"><em><strong>method</strong></em> <code>self == other</code> <a class="header-anchor" href="#method-self-other" aria-label="Permalink to &quot;***method*** `self == other`&quot;"></a></h4><details><summary><b>Source code</b> or <a href="https://github.com/snowykami/mbcp/tree/main/mbcp/mp_math/utils.py#L44" target="_blank">View on GitHub</a></summary><div class="language-python vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">python</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">def</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> __eq__</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(self, other):</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> isinstance</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">self</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">.value, (</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">float</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">int</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)):</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> isinstance</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(other, (</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">float</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">int</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)):</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> abs</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">self</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">.value </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">-</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> other) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">&lt;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> APPROX</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> else</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">:</span></span>
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> self</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">.raise_type_error(other)</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> elif</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> isinstance</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">self</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">.value, Vector3):</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> isinstance</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(other, (Vector3, Point3, Plane3, Line3)):</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> all</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">([approx(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">self</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">.value.x, other.x), approx(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">self</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">.value.y, other.y), approx(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">self</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">.value.z, other.z)])</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> else</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">:</span></span>
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> self</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">.raise_type_error(other)</span></span></code></pre></div></details><h4 id="method-raise-type-error-self-other" tabindex="-1"><em><strong>method</strong></em> <code>raise_type_error(self, other)</code> <a class="header-anchor" href="#method-raise-type-error-self-other" aria-label="Permalink to &quot;***method*** `raise_type_error(self, other)`&quot;"></a></h4><details><summary><b>Source code</b> or <a href="https://github.com/snowykami/mbcp/tree/main/mbcp/mp_math/utils.py#L56" target="_blank">View on GitHub</a></summary><div class="language-python vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">python</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">def</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> raise_type_error</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(self, other):</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> raise</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> TypeError</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">f</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&#39;Unsupported type: </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">{type</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">self</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">.value)</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">}</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> and </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">{type</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(other)</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">}</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&#39;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span></code></pre></div></details><h4 id="method-self-other-1" tabindex="-1"><em><strong>method</strong></em> <code>self != other</code> <a class="header-anchor" href="#method-self-other-1" aria-label="Permalink to &quot;***method*** `self != other`&quot;"></a></h4><details><summary><b>Source code</b> or <a href="https://github.com/snowykami/mbcp/tree/main/mbcp/mp_math/utils.py#L59" target="_blank">View on GitHub</a></summary><div class="language-python vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">python</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">def</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> __ne__</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(self, other):</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> not</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> self</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">.</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">__eq__</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(other)</span></span></code></pre></div></details><h3 id="func-approx-x-float-y-float-0-0-epsilon-float-approx-bool" tabindex="-1"><em><strong>func</strong></em> <code>approx(x: float, y: float = 0.0, epsilon: float = APPROX) -&gt; bool</code> <a class="header-anchor" href="#func-approx-x-float-y-float-0-0-epsilon-float-approx-bool" aria-label="Permalink to &quot;***func*** `approx(x: float, y: float = 0.0, epsilon: float = APPROX) -&gt; bool`&quot;"></a></h3><p><strong>Description</strong>: 判断两个数是否近似相等。或包装一个实数用于判断是否近似于0。</p><p><strong>Arguments</strong>:</p><blockquote><ul><li>x (<a href="https://docs.python.org/3/library/functions.html#float" target="_blank" rel="noreferrer"><code>float</code></a>): 数1</li><li>y (<code>float</code>): 数2</li><li>epsilon (<code>float</code>): 误差</li></ul></blockquote><p><strong>Return</strong>: <a href="https://docs.python.org/3/library/functions.html#bool" target="_blank" rel="noreferrer"><code>bool</code></a>: 是否近似相等</p><details><summary><b>Source code</b> or <a href="https://github.com/snowykami/mbcp/tree/main/mbcp/mp_math/utils.py#L63" target="_blank">View on GitHub</a></summary><div class="language-python vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">python</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">def</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> approx</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(x: </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">float</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, y: </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">float</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">0.0</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, epsilon: </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">float</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">APPROX</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) -&gt; </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">bool</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">:</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> abs</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(x </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">-</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> y) </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">&lt;</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> epsilon</span></span></code></pre></div></details><h3 id="func-sign-x-float-only-neg-bool-false-str" tabindex="-1"><em><strong>func</strong></em> <code>sign(x: float, only_neg: bool = False) -&gt; str</code> <a class="header-anchor" href="#func-sign-x-float-only-neg-bool-false-str" aria-label="Permalink to &quot;***func*** `sign(x: float, only_neg: bool = False) -&gt; str`&quot;"></a></h3><p><strong>Description</strong>: 获取数的符号。</p><p><strong>Arguments</strong>:</p><blockquote><ul><li>x (<a href="https://docs.python.org/3/library/functions.html#float" target="_blank" rel="noreferrer"><code>float</code></a>): 数</li><li>only_neg (<a href="https://docs.python.org/3/library/functions.html#bool" target="_blank" rel="noreferrer"><code>bool</code></a>): 是否只返回负数的符号</li></ul></blockquote><p><strong>Return</strong>: <a href="https://docs.python.org/3/library/functions.html#str" target="_blank" rel="noreferrer"><code>str</code></a>: 符号 + - &quot;&quot;</p><details><summary><b>Source code</b> or <a href="https://github.com/snowykami/mbcp/tree/main/mbcp/mp_math/utils.py#L76" target="_blank">View on GitHub</a></summary><div class="language-python vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">python</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">def</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> sign</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(x: </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">float</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, only_neg: </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">bool</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">False</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) -&gt; </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">str</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">:</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> x </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">&gt;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 0</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">:</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;+&#39;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> not</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> only_neg </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">else</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> elif</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> x </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">&lt;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 0</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">:</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;-&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> else</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">:</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;&#39;</span></span></code></pre></div></details><h3 id="func-sign-format-x-float-only-neg-bool-false-str" tabindex="-1"><em><strong>func</strong></em> <code>sign_format(x: float, only_neg: bool = False) -&gt; str</code> <a class="header-anchor" href="#func-sign-format-x-float-only-neg-bool-false-str" aria-label="Permalink to &quot;***func*** `sign_format(x: float, only_neg: bool = False) -&gt; str`&quot;"></a></h3><p><strong>Description</strong>: 格式化符号数 -1 -&gt; -1 1 -&gt; +1 0 -&gt; &quot;&quot;</p><p><strong>Arguments</strong>:</p><blockquote><ul><li>x (<a href="https://docs.python.org/3/library/functions.html#float" target="_blank" rel="noreferrer"><code>float</code></a>): 数</li><li>only_neg (<a href="https://docs.python.org/3/library/functions.html#bool" target="_blank" rel="noreferrer"><code>bool</code></a>): 是否只返回负数的符号</li></ul></blockquote><p><strong>Return</strong>: <a href="https://docs.python.org/3/library/functions.html#str" target="_blank" rel="noreferrer"><code>str</code></a>: 符号 + - &quot;&quot;</p><details><summary><b>Source code</b> or <a href="https://github.com/snowykami/mbcp/tree/main/mbcp/mp_math/utils.py#L92" target="_blank">View on GitHub</a></summary><div class="language-python vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">python</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">def</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> sign_format</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(x: </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">float</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, only_neg: </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">bool</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">False</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) -&gt; </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">str</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">:</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> x </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">&gt;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 0</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">:</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> f</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&#39;+</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">{</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">}</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&#39;</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> not</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> only_neg </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">else</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> f</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&#39;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">{</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">x</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">}</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> elif</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> x </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">&lt;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> 0</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">:</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> f</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&#39;-</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">{abs</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(x)</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">}</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">&#39;</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> else</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">:</span></span>
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> &#39;&#39;</span></span></code></pre></div></details></div></div></main><footer class="VPDocFooter" data-v-01c90815 data-v-28deee4a><!--[--><!--]--><div class="edit-info" data-v-28deee4a><div class="edit-link" data-v-28deee4a><a class="VPLink link vp-external-link-icon no-icon edit-link-button" href="https://github.com/snowykami/mbcp/tree/main/mbcp//mp_math/utils.py" target="_blank" rel="noreferrer" data-v-28deee4a><!--[--><span class="vpi-square-pen edit-link-icon" data-v-28deee4a></span> Edit this page on GitHub<!--]--></a></div><!----></div><nav class="prev-next" aria-labelledby="doc-footer-aria-label" data-v-28deee4a><span class="visually-hidden" id="doc-footer-aria-label" data-v-28deee4a>Pager</span><div class="pager" data-v-28deee4a><a class="VPLink link pager-link prev" href="/en/api/mp_math/segment.html" data-v-28deee4a><!--[--><span class="desc" data-v-28deee4a>Prev Page</span><span class="title" data-v-28deee4a>mbcp.mp_math.segment</span><!--]--></a></div><div class="pager" data-v-28deee4a><a class="VPLink link pager-link next" href="/en/api/mp_math/vector.html" data-v-28deee4a><!--[--><span class="desc" data-v-28deee4a>Next Page</span><span class="title" data-v-28deee4a>mbcp.mp_math.vector</span><!--]--></a></div></nav></footer><!--[--><!--]--></div></div></div><!--[--><!--]--></div></div><footer class="VPFooter has-sidebar" data-v-3b4648ff data-v-d69bcf5d><div class="container" data-v-d69bcf5d><p class="message" data-v-d69bcf5d>Documentation built with <a href="https://vitepress.dev/">VitePress</a> | API references generated by <a href="https://github.com/LiteyukiStudio/litedoc">litedoc</a></p><p class="copyright" data-v-d69bcf5d>Copyright (C) 2020-2024 SnowyKami. All Rights Reserved</p></div></footer><!--[--><!--]--></div></div>
<script>window.__VP_HASH_MAP__=JSON.parse("{\"api_index.md\":\"BO3OGCZm\",\"api_mp_math_angle.md\":\"o2FjFJVM\",\"api_mp_math_const.md\":\"B_APaY-d\",\"api_mp_math_equation.md\":\"7eZhFpxb\",\"api_mp_math_function.md\":\"CDW7K4aO\",\"api_mp_math_index.md\":\"BfSAi6YB\",\"api_mp_math_line.md\":\"BufsPjQ4\",\"api_mp_math_mp_math_typing.md\":\"D0jHaHho\",\"api_mp_math_plane.md\":\"BI-yBOVt\",\"api_mp_math_point.md\":\"9lQO7e_B\",\"api_mp_math_segment.md\":\"JYVgLepk\",\"api_mp_math_utils.md\":\"BRgMKXyU\",\"api_mp_math_vector.md\":\"DjjcwrqW\",\"api_particle_index.md\":\"BnaJlvrB\",\"api_presets_index.md\":\"Cn3tbiU4\",\"api_presets_model_index.md\":\"DTQNHoYw\",\"demo_best-practice.md\":\"CmYjfrxd\",\"demo_index.md\":\"CVAdlaFI\",\"en_api_index.md\":\"C0-LRrMB\",\"en_api_mp_math_angle.md\":\"BxI_io2D\",\"en_api_mp_math_const.md\":\"f-2wQHW5\",\"en_api_mp_math_equation.md\":\"BDw5boDN\",\"en_api_mp_math_function.md\":\"l19FY4Hu\",\"en_api_mp_math_index.md\":\"BiDCWhuz\",\"en_api_mp_math_line.md\":\"N84NCcFr\",\"en_api_mp_math_mp_math_typing.md\":\"A2oAWINP\",\"en_api_mp_math_plane.md\":\"Dcl5f694\",\"en_api_mp_math_point.md\":\"BtS25597\",\"en_api_mp_math_segment.md\":\"D0wpX8Us\",\"en_api_mp_math_utils.md\":\"C-COPCw_\",\"en_api_mp_math_vector.md\":\"C89tx4nd\",\"en_api_particle_index.md\":\"j3_p5KtY\",\"en_api_presets_index.md\":\"Bj8HQN_s\",\"en_api_presets_model_index.md\":\"CF6gWxhr\",\"en_demo_best-practice.md\":\"CmtY105n\",\"en_guide_index.md\":\"C3kI8f8A\",\"en_index.md\":\"Cc-Nt9Ot\",\"en_refer_index.md\":\"Cq6GWi0V\",\"guide_index.md\":\"CJOqvlSE\",\"index.md\":\"WVpbC1C1\",\"ja_api_index.md\":\"CGngNEPX\",\"ja_api_mp_math_angle.md\":\"BsVW1_45\",\"ja_api_mp_math_const.md\":\"kKAd6ihV\",\"ja_api_mp_math_equation.md\":\"Cvdc0kei\",\"ja_api_mp_math_function.md\":\"pJM1NJ2m\",\"ja_api_mp_math_index.md\":\"BCReRKfD\",\"ja_api_mp_math_line.md\":\"ACj3eb2t\",\"ja_api_mp_math_mp_math_typing.md\":\"CzEPV5Ep\",\"ja_api_mp_math_plane.md\":\"BLythjEi\",\"ja_api_mp_math_point.md\":\"gujIoqh8\",\"ja_api_mp_math_segment.md\":\"DZAkmIjJ\",\"ja_api_mp_math_utils.md\":\"crOIcdWW\",\"ja_api_mp_math_vector.md\":\"Dg61_-jz\",\"ja_api_particle_index.md\":\"CW1rqarC\",\"ja_api_presets_index.md\":\"BFc_PfJb\",\"ja_api_presets_model_index.md\":\"wZZUhvvV\",\"ja_demo_best-practice.md\":\"CBHiF6ec\",\"ja_guide_index.md\":\"w1Tf2Adm\",\"ja_index.md\":\"BvjV8RIJ\",\"ja_refer_index.md\":\"DamUscs8\",\"refer_7-differential-euqtion_index.md\":\"Dd2-7I9S\",\"refer_function_curry.md\":\"D_oqRDd3\",\"refer_function_function.md\":\"Bi_82lIJ\",\"refer_index.md\":\"yFZW0kI4\",\"zht_api_index.md\":\"Bh7ICG6U\",\"zht_api_mp_math_angle.md\":\"DK9un2Dh\",\"zht_api_mp_math_const.md\":\"D9eBwcNw\",\"zht_api_mp_math_equation.md\":\"U4JCwJwD\",\"zht_api_mp_math_function.md\":\"3Rru8vfk\",\"zht_api_mp_math_index.md\":\"DVqLRZhm\",\"zht_api_mp_math_line.md\":\"CqvSdHr8\",\"zht_api_mp_math_mp_math_typing.md\":\"DWzRfFJe\",\"zht_api_mp_math_plane.md\":\"u8cWUecu\",\"zht_api_mp_math_point.md\":\"CGqDeaEv\",\"zht_api_mp_math_segment.md\":\"CqQitARa\",\"zht_api_mp_math_utils.md\":\"CFas0PJL\",\"zht_api_mp_math_vector.md\":\"D-o57Jl7\",\"zht_api_particle_index.md\":\"bdouG1sk\",\"zht_api_presets_index.md\":\"9wdPAkKN\",\"zht_api_presets_model_index.md\":\"BfmFWGa-\",\"zht_demo_best-practice.md\":\"CPNbD_Lg\",\"zht_guide_index.md\":\"BNnMViC8\",\"zht_index.md\":\"fkOYkZZe\",\"zht_refer_index.md\":\"B7CQS2UW\"}");function deserializeFunctions(r){return Array.isArray(r)?r.map(deserializeFunctions):typeof r=="object"&&r!==null?Object.keys(r).reduce((t,n)=>(t[n]=deserializeFunctions(r[n]),t),{}):typeof r=="string"&&r.startsWith("_vp-fn_")?new Function(`return ${r.slice(7)}`)():r};window.__VP_SITE_DATA__=deserializeFunctions(JSON.parse("{\"lang\":\"en-US\",\"dir\":\"ltr\",\"title\":\"VitePress\",\"description\":\"A VitePress site\",\"base\":\"/\",\"head\":[],\"router\":{\"prefetchLinks\":true},\"appearance\":true,\"themeConfig\":{\"logo\":\"/mbcp-logo.svg\",\"sidebar\":{\"/api/\":{\"base\":\"/api/\",\"items\":[{\"text\":\"MBCP\",\"items\":[{\"text\":\"mp_math\",\"it
</body>
</html>