diesel/master/src/chrono/div.rs.html at gh-pages · ITCSsDeveloper/diesel · GitHub

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<!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="Source of the Rust file `/home/runner/.cargo/registry/src/github.com-1ecc6299db9ec823/chrono-0.4.19/src/div.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>div.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><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="../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script defer src="../../source-script.js"></script><script defer src="../../source-files.js"></script><script defer src="../../main.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">&#9776;</button><a class="sidebar-logo" href="../../chrono/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div>
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</pre><pre class="rust"><code><span class="comment">// This is a part of Chrono.</span>
<span class="comment">// Portions Copyright 2013-2014 The Rust Project Developers.</span>
<span class="comment">// See README.md and LICENSE.txt for details.</span>

<span class="doccomment">//! Integer division utilities. (Shamelessly copied from [num](https://github.com/rust-lang/num/))</span>

<span class="comment">// Algorithm from [Daan Leijen. _Division and Modulus for Computer Scientists_,</span>
<span class="comment">// December 2001](http://research.microsoft.com/pubs/151917/divmodnote-letter.pdf)</span>

<span class="kw">pub</span> <span class="kw">use</span> <span class="ident">num_integer</span>::{<span class="ident">div_floor</span>, <span class="ident">div_mod_floor</span>, <span class="ident">div_rem</span>, <span class="ident">mod_floor</span>};

<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">test</span>)]</span>
<span class="kw">mod</span> <span class="ident">tests</span> {
    <span class="kw">use</span> <span class="kw">super</span>::{<span class="ident">div_mod_floor</span>, <span class="ident">mod_floor</span>};

    <span class="attribute">#[<span class="ident">test</span>]</span>
    <span class="kw">fn</span> <span class="ident">test_mod_floor</span>() {
        <span class="macro">assert_eq!</span>(<span class="ident">mod_floor</span>(<span class="number">8</span>, <span class="number">3</span>), <span class="number">2</span>);
        <span class="macro">assert_eq!</span>(<span class="ident">mod_floor</span>(<span class="number">8</span>, <span class="op">-</span><span class="number">3</span>), <span class="op">-</span><span class="number">1</span>);
        <span class="macro">assert_eq!</span>(<span class="ident">mod_floor</span>(<span class="op">-</span><span class="number">8</span>, <span class="number">3</span>), <span class="number">1</span>);
        <span class="macro">assert_eq!</span>(<span class="ident">mod_floor</span>(<span class="op">-</span><span class="number">8</span>, <span class="op">-</span><span class="number">3</span>), <span class="op">-</span><span class="number">2</span>);

        <span class="macro">assert_eq!</span>(<span class="ident">mod_floor</span>(<span class="number">1</span>, <span class="number">2</span>), <span class="number">1</span>);
        <span class="macro">assert_eq!</span>(<span class="ident">mod_floor</span>(<span class="number">1</span>, <span class="op">-</span><span class="number">2</span>), <span class="op">-</span><span class="number">1</span>);
        <span class="macro">assert_eq!</span>(<span class="ident">mod_floor</span>(<span class="op">-</span><span class="number">1</span>, <span class="number">2</span>), <span class="number">1</span>);
        <span class="macro">assert_eq!</span>(<span class="ident">mod_floor</span>(<span class="op">-</span><span class="number">1</span>, <span class="op">-</span><span class="number">2</span>), <span class="op">-</span><span class="number">1</span>);
    }

    <span class="attribute">#[<span class="ident">test</span>]</span>
    <span class="kw">fn</span> <span class="ident">test_div_mod_floor</span>() {
        <span class="macro">assert_eq!</span>(<span class="ident">div_mod_floor</span>(<span class="number">8</span>, <span class="number">3</span>), (<span class="number">2</span>, <span class="number">2</span>));
        <span class="macro">assert_eq!</span>(<span class="ident">div_mod_floor</span>(<span class="number">8</span>, <span class="op">-</span><span class="number">3</span>), (<span class="op">-</span><span class="number">3</span>, <span class="op">-</span><span class="number">1</span>));
        <span class="macro">assert_eq!</span>(<span class="ident">div_mod_floor</span>(<span class="op">-</span><span class="number">8</span>, <span class="number">3</span>), (<span class="op">-</span><span class="number">3</span>, <span class="number">1</span>));
        <span class="macro">assert_eq!</span>(<span class="ident">div_mod_floor</span>(<span class="op">-</span><span class="number">8</span>, <span class="op">-</span><span class="number">3</span>), (<span class="number">2</span>, <span class="op">-</span><span class="number">2</span>));

        <span class="macro">assert_eq!</span>(<span class="ident">div_mod_floor</span>(<span class="number">1</span>, <span class="number">2</span>), (<span class="number">0</span>, <span class="number">1</span>));
        <span class="macro">assert_eq!</span>(<span class="ident">div_mod_floor</span>(<span class="number">1</span>, <span class="op">-</span><span class="number">2</span>), (<span class="op">-</span><span class="number">1</span>, <span class="op">-</span><span class="number">1</span>));
        <span class="macro">assert_eq!</span>(<span class="ident">div_mod_floor</span>(<span class="op">-</span><span class="number">1</span>, <span class="number">2</span>), (<span class="op">-</span><span class="number">1</span>, <span class="number">1</span>));
        <span class="macro">assert_eq!</span>(<span class="ident">div_mod_floor</span>(<span class="op">-</span><span class="number">1</span>, <span class="op">-</span><span class="number">2</span>), (<span class="number">0</span>, <span class="op">-</span><span class="number">1</span>));
    }
}
</code></pre></div>
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