<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="API documentation for the Rust `consts` mod in crate `core`."><meta name="keywords" content="rust, rustlang, rust-lang, consts"><title>core::f64::consts - Rust</title><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../dark.css"><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><script src="../../../storage.js"></script><link rel="shortcut icon" href="https://doc.rust-lang.org/favicon.ico"></head><body class="rustdoc mod"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">☰</div><a href='../../../core/index.html'><img src='https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png' alt='logo' width='100'></a><p class='location'>Module consts</p><div class="sidebar-elems"><div class="block items"><ul><li><a href="#constants">Constants</a></li></ul></div><p class='location'><a href='../../index.html'>core</a>::<wbr><a href='../index.html'>f64</a></p><script>window.sidebarCurrent = {name: 'consts', ty: 'mod', relpath: '../'};</script><script defer src="../sidebar-items.js"></script></div></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../../../theme.js"></script><nav class="sub"><form class="search-form js-only"><div class="search-container"><input class="search-input" name="search" autocomplete="off" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><a id="settings-menu" href="../../../settings.html"><img src="../../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><h1 class='fqn'><span class='in-band'>Module <a href='../../index.html'>core</a>::<wbr><a href='../index.html'>f64</a>::<wbr><a class="mod" href=''>consts</a></span><span class='out-of-band'><span class='since' title='Stable since Rust version 1.0.0'>1.0.0</span><span id='render-detail'><a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs">[<span class='inner'>−</span>]</a></span><a class='srclink' href='../../../src/core/num/f64.rs.html#78-152' title='goto source code'>[src]</a></span></h1><div class='docblock'><p>Basic mathematical constants.</p>
</div><h2 id='constants' class='section-header'><a href="#constants">Constants</a></h2>
<table>
<tr class=' module-item'>
<td><a class="constant" href="constant.E.html"
title='constant core::f64::consts::E'>E</a></td>
<td class='docblock-short'>
<p>Euler's number (e)</p>
</td>
</tr>
<tr class=' module-item'>
<td><a class="constant" href="constant.FRAC_1_PI.html"
title='constant core::f64::consts::FRAC_1_PI'>FRAC_1_PI</a></td>
<td class='docblock-short'>
<p>1/π</p>
</td>
</tr>
<tr class=' module-item'>
<td><a class="constant" href="constant.FRAC_1_SQRT_2.html"
title='constant core::f64::consts::FRAC_1_SQRT_2'>FRAC_1_SQRT_2</a></td>
<td class='docblock-short'>
<p>1/sqrt(2)</p>
</td>
</tr>
<tr class=' module-item'>
<td><a class="constant" href="constant.FRAC_2_PI.html"
title='constant core::f64::consts::FRAC_2_PI'>FRAC_2_PI</a></td>
<td class='docblock-short'>
<p>2/π</p>
</td>
</tr>
<tr class=' module-item'>
<td><a class="constant" href="constant.FRAC_2_SQRT_PI.html"
title='constant core::f64::consts::FRAC_2_SQRT_PI'>FRAC_2_SQRT_PI</a></td>
<td class='docblock-short'>
<p>2/sqrt(π)</p>
</td>
</tr>
<tr class=' module-item'>
<td><a class="constant" href="constant.FRAC_PI_2.html"
title='constant core::f64::consts::FRAC_PI_2'>FRAC_PI_2</a></td>
<td class='docblock-short'>
<p>π/2</p>
</td>
</tr>
<tr class=' module-item'>
<td><a class="constant" href="constant.FRAC_PI_3.html"
title='constant core::f64::consts::FRAC_PI_3'>FRAC_PI_3</a></td>
<td class='docblock-short'>
<p>π/3</p>
</td>
</tr>
<tr class=' module-item'>
<td><a class="constant" href="constant.FRAC_PI_4.html"
title='constant core::f64::consts::FRAC_PI_4'>FRAC_PI_4</a></td>
<td class='docblock-short'>
<p>π/4</p>
</td>
</tr>
<tr class=' module-item'>
<td><a class="constant" href="constant.FRAC_PI_6.html"
title='constant core::f64::consts::FRAC_PI_6'>FRAC_PI_6</a></td>
<td class='docblock-short'>
<p>π/6</p>
</td>
</tr>
<tr class=' module-item'>
<td><a class="constant" href="constant.FRAC_PI_8.html"
title='constant core::f64::consts::FRAC_PI_8'>FRAC_PI_8</a></td>
<td class='docblock-short'>
<p>π/8</p>
</td>
</tr>
<tr class=' module-item'>
<td><a class="constant" href="constant.LN_2.html"
title='constant core::f64::consts::LN_2'>LN_2</a></td>
<td class='docblock-short'>
<p>ln(2)</p>
</td>
</tr>
<tr class=' module-item'>
<td><a class="constant" href="constant.LN_10.html"
title='constant core::f64::consts::LN_10'>LN_10</a></td>
<td class='docblock-short'>
<p>ln(10)</p>
</td>
</tr>
<tr class=' module-item'>
<td><a class="constant" href="constant.LOG10_E.html"
title='constant core::f64::consts::LOG10_E'>LOG10_E</a></td>
<td class='docblock-short'>
<p>log<sub>10</sub>(e)</p>
</td>
</tr>
<tr class=' module-item'>
<td><a class="constant" href="constant.LOG2_E.html"
title='constant core::f64::consts::LOG2_E'>LOG2_E</a></td>
<td class='docblock-short'>
<p>log<sub>2</sub>(e)</p>
</td>
</tr>
<tr class=' module-item'>
<td><a class="constant" href="constant.PI.html"
title='constant core::f64::consts::PI'>PI</a></td>
<td class='docblock-short'>
<p>Archimedes' constant (π)</p>
</td>
</tr>
<tr class=' module-item'>
<td><a class="constant" href="constant.SQRT_2.html"
title='constant core::f64::consts::SQRT_2'>SQRT_2</a></td>
<td class='docblock-short'>
<p>sqrt(2)</p>
</td>
</tr>
<tr class='unstable module-item'>
<td><a class="constant" href="constant.LOG10_2.html"
title='constant core::f64::consts::LOG10_2'>LOG10_2</a></td>
<td class='docblock-short'>
[<div class='stab unstable'>Experimental</div>] <p>log<sub>10</sub>(2)</p>
</td>
</tr>
<tr class='unstable module-item'>
<td><a class="constant" href="constant.LOG2_10.html"
title='constant core::f64::consts::LOG2_10'>LOG2_10</a></td>
<td class='docblock-short'>
[<div class='stab unstable'>Experimental</div>] <p>log<sub>2</sub>(10)</p>
</td>
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