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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/ryu-1.0.10/src/f2s.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>f2s.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">☰</button><a class="sidebar-logo" href="../../ryu/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">// Translated from C to Rust. The original C code can be found at</span>
<span class="comment">// https://github.com/ulfjack/ryu and carries the following license:</span>
<span class="comment">//</span>
<span class="comment">// Copyright 2018 Ulf Adams</span>
<span class="comment">//</span>
<span class="comment">// The contents of this file may be used under the terms of the Apache License,</span>
<span class="comment">// Version 2.0.</span>
<span class="comment">//</span>
<span class="comment">// (See accompanying file LICENSE-Apache or copy at</span>
<span class="comment">// http://www.apache.org/licenses/LICENSE-2.0)</span>
<span class="comment">//</span>
<span class="comment">// Alternatively, the contents of this file may be used under the terms of</span>
<span class="comment">// the Boost Software License, Version 1.0.</span>
<span class="comment">// (See accompanying file LICENSE-Boost or copy at</span>
<span class="comment">// https://www.boost.org/LICENSE_1_0.txt)</span>
<span class="comment">//</span>
<span class="comment">// Unless required by applicable law or agreed to in writing, this software</span>
<span class="comment">// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span>
<span class="comment">// KIND, either express or implied.</span>
<span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::common</span>::<span class="kw-2">*</span>;
<span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::f2s_intrinsics</span>::<span class="kw-2">*</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">FLOAT_MANTISSA_BITS</span>: <span class="ident">u32</span> <span class="op">=</span> <span class="number">23</span>;
<span class="kw">pub</span> <span class="kw">const</span> <span class="ident">FLOAT_EXPONENT_BITS</span>: <span class="ident">u32</span> <span class="op">=</span> <span class="number">8</span>;
<span class="kw">const</span> <span class="ident">FLOAT_BIAS</span>: <span class="ident">i32</span> <span class="op">=</span> <span class="number">127</span>;
<span class="kw">pub</span> <span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::f2s_intrinsics</span>::{<span class="ident">FLOAT_POW5_BITCOUNT</span>, <span class="ident">FLOAT_POW5_INV_BITCOUNT</span>};
<span class="comment">// A floating decimal representing m * 10^e.</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">FloatingDecimal32</span> {
<span class="kw">pub</span> <span class="ident">mantissa</span>: <span class="ident">u32</span>,
<span class="comment">// Decimal exponent's range is -45 to 38</span>
<span class="comment">// inclusive, and can fit in i16 if needed.</span>
<span class="kw">pub</span> <span class="ident">exponent</span>: <span class="ident">i32</span>,
}
<span class="attribute">#[<span class="ident">cfg_attr</span>(<span class="ident">feature</span> <span class="op">=</span> <span class="string">"no-panic"</span>, <span class="ident">inline</span>)]</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">f2d</span>(<span class="ident">ieee_mantissa</span>: <span class="ident">u32</span>, <span class="ident">ieee_exponent</span>: <span class="ident">u32</span>) -> <span class="ident">FloatingDecimal32</span> {
<span class="kw">let</span> (<span class="ident">e2</span>, <span class="ident">m2</span>) <span class="op">=</span> <span class="kw">if</span> <span class="ident">ieee_exponent</span> <span class="op">==</span> <span class="number">0</span> {
(
<span class="comment">// We subtract 2 so that the bounds computation has 2 additional bits.</span>
<span class="number">1</span> <span class="op">-</span> <span class="ident">FLOAT_BIAS</span> <span class="op">-</span> <span class="ident">FLOAT_MANTISSA_BITS</span> <span class="kw">as</span> <span class="ident">i32</span> <span class="op">-</span> <span class="number">2</span>,
<span class="ident">ieee_mantissa</span>,
)
} <span class="kw">else</span> {
(
<span class="ident">ieee_exponent</span> <span class="kw">as</span> <span class="ident">i32</span> <span class="op">-</span> <span class="ident">FLOAT_BIAS</span> <span class="op">-</span> <span class="ident">FLOAT_MANTISSA_BITS</span> <span class="kw">as</span> <span class="ident">i32</span> <span class="op">-</span> <span class="number">2</span>,
(<span class="number">1u32</span> <span class="op"><</span><span class="op"><</span> <span class="ident">FLOAT_MANTISSA_BITS</span>) <span class="op">|</span> <span class="ident">ieee_mantissa</span>,
)
};
<span class="kw">let</span> <span class="ident">even</span> <span class="op">=</span> (<span class="ident">m2</span> <span class="op">&</span> <span class="number">1</span>) <span class="op">==</span> <span class="number">0</span>;
<span class="kw">let</span> <span class="ident">accept_bounds</span> <span class="op">=</span> <span class="ident">even</span>;
<span class="comment">// Step 2: Determine the interval of valid decimal representations.</span>
<span class="kw">let</span> <span class="ident">mv</span> <span class="op">=</span> <span class="number">4</span> <span class="op">*</span> <span class="ident">m2</span>;
<span class="kw">let</span> <span class="ident">mp</span> <span class="op">=</span> <span class="number">4</span> <span class="op">*</span> <span class="ident">m2</span> <span class="op">+</span> <span class="number">2</span>;
<span class="comment">// Implicit bool -> int conversion. True is 1, false is 0.</span>
<span class="kw">let</span> <span class="ident">mm_shift</span> <span class="op">=</span> (<span class="ident">ieee_mantissa</span> <span class="op">!</span><span class="op">=</span> <span class="number">0</span> <span class="op">|</span><span class="op">|</span> <span class="ident">ieee_exponent</span> <span class="op"><</span><span class="op">=</span> <span class="number">1</span>) <span class="kw">as</span> <span class="ident">u32</span>;
<span class="kw">let</span> <span class="ident">mm</span> <span class="op">=</span> <span class="number">4</span> <span class="op">*</span> <span class="ident">m2</span> <span class="op">-</span> <span class="number">1</span> <span class="op">-</span> <span class="ident">mm_shift</span>;
<span class="comment">// Step 3: Convert to a decimal power base using 64-bit arithmetic.</span>
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">vr</span>: <span class="ident">u32</span>;
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">vp</span>: <span class="ident">u32</span>;
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">vm</span>: <span class="ident">u32</span>;
<span class="kw">let</span> <span class="ident">e10</span>: <span class="ident">i32</span>;
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">vm_is_trailing_zeros</span> <span class="op">=</span> <span class="bool-val">false</span>;
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">vr_is_trailing_zeros</span> <span class="op">=</span> <span class="bool-val">false</span>;
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">last_removed_digit</span> <span class="op">=</span> <span class="number">0u8</span>;
<span class="kw">if</span> <span class="ident">e2</span> <span class="op">></span><span class="op">=</span> <span class="number">0</span> {
<span class="kw">let</span> <span class="ident">q</span> <span class="op">=</span> <span class="ident">log10_pow2</span>(<span class="ident">e2</span>);
<span class="ident">e10</span> <span class="op">=</span> <span class="ident">q</span> <span class="kw">as</span> <span class="ident">i32</span>;
<span class="kw">let</span> <span class="ident">k</span> <span class="op">=</span> <span class="ident">FLOAT_POW5_INV_BITCOUNT</span> <span class="op">+</span> <span class="ident">pow5bits</span>(<span class="ident">q</span> <span class="kw">as</span> <span class="ident">i32</span>) <span class="op">-</span> <span class="number">1</span>;
<span class="kw">let</span> <span class="ident">i</span> <span class="op">=</span> <span class="op">-</span><span class="ident">e2</span> <span class="op">+</span> <span class="ident">q</span> <span class="kw">as</span> <span class="ident">i32</span> <span class="op">+</span> <span class="ident">k</span>;
<span class="ident">vr</span> <span class="op">=</span> <span class="ident">mul_pow5_inv_div_pow2</span>(<span class="ident">mv</span>, <span class="ident">q</span>, <span class="ident">i</span>);
<span class="ident">vp</span> <span class="op">=</span> <span class="ident">mul_pow5_inv_div_pow2</span>(<span class="ident">mp</span>, <span class="ident">q</span>, <span class="ident">i</span>);
<span class="ident">vm</span> <span class="op">=</span> <span class="ident">mul_pow5_inv_div_pow2</span>(<span class="ident">mm</span>, <span class="ident">q</span>, <span class="ident">i</span>);
<span class="kw">if</span> <span class="ident">q</span> <span class="op">!</span><span class="op">=</span> <span class="number">0</span> <span class="op">&&</span> (<span class="ident">vp</span> <span class="op">-</span> <span class="number">1</span>) <span class="op">/</span> <span class="number">10</span> <span class="op"><</span><span class="op">=</span> <span class="ident">vm</span> <span class="op">/</span> <span class="number">10</span> {
<span class="comment">// We need to know one removed digit even if we are not going to loop below. We could use</span>
<span class="comment">// q = X - 1 above, except that would require 33 bits for the result, and we've found that</span>
<span class="comment">// 32-bit arithmetic is faster even on 64-bit machines.</span>
<span class="kw">let</span> <span class="ident">l</span> <span class="op">=</span> <span class="ident">FLOAT_POW5_INV_BITCOUNT</span> <span class="op">+</span> <span class="ident">pow5bits</span>(<span class="ident">q</span> <span class="kw">as</span> <span class="ident">i32</span> <span class="op">-</span> <span class="number">1</span>) <span class="op">-</span> <span class="number">1</span>;
<span class="ident">last_removed_digit</span> <span class="op">=</span>
(<span class="ident">mul_pow5_inv_div_pow2</span>(<span class="ident">mv</span>, <span class="ident">q</span> <span class="op">-</span> <span class="number">1</span>, <span class="op">-</span><span class="ident">e2</span> <span class="op">+</span> <span class="ident">q</span> <span class="kw">as</span> <span class="ident">i32</span> <span class="op">-</span> <span class="number">1</span> <span class="op">+</span> <span class="ident">l</span>) <span class="op">%</span> <span class="number">10</span>) <span class="kw">as</span> <span class="ident">u8</span>;
}
<span class="kw">if</span> <span class="ident">q</span> <span class="op"><</span><span class="op">=</span> <span class="number">9</span> {
<span class="comment">// The largest power of 5 that fits in 24 bits is 5^10, but q <= 9 seems to be safe as well.</span>
<span class="comment">// Only one of mp, mv, and mm can be a multiple of 5, if any.</span>
<span class="kw">if</span> <span class="ident">mv</span> <span class="op">%</span> <span class="number">5</span> <span class="op">==</span> <span class="number">0</span> {
<span class="ident">vr_is_trailing_zeros</span> <span class="op">=</span> <span class="ident">multiple_of_power_of_5_32</span>(<span class="ident">mv</span>, <span class="ident">q</span>);
} <span class="kw">else</span> <span class="kw">if</span> <span class="ident">accept_bounds</span> {
<span class="ident">vm_is_trailing_zeros</span> <span class="op">=</span> <span class="ident">multiple_of_power_of_5_32</span>(<span class="ident">mm</span>, <span class="ident">q</span>);
} <span class="kw">else</span> {
<span class="ident">vp</span> <span class="op">-</span><span class="op">=</span> <span class="ident">multiple_of_power_of_5_32</span>(<span class="ident">mp</span>, <span class="ident">q</span>) <span class="kw">as</span> <span class="ident">u32</span>;
}
}
} <span class="kw">else</span> {
<span class="kw">let</span> <span class="ident">q</span> <span class="op">=</span> <span class="ident">log10_pow5</span>(<span class="op">-</span><span class="ident">e2</span>);
<span class="ident">e10</span> <span class="op">=</span> <span class="ident">q</span> <span class="kw">as</span> <span class="ident">i32</span> <span class="op">+</span> <span class="ident">e2</span>;
<span class="kw">let</span> <span class="ident">i</span> <span class="op">=</span> <span class="op">-</span><span class="ident">e2</span> <span class="op">-</span> <span class="ident">q</span> <span class="kw">as</span> <span class="ident">i32</span>;
<span class="kw">let</span> <span class="ident">k</span> <span class="op">=</span> <span class="ident">pow5bits</span>(<span class="ident">i</span>) <span class="op">-</span> <span class="ident">FLOAT_POW5_BITCOUNT</span>;
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">j</span> <span class="op">=</span> <span class="ident">q</span> <span class="kw">as</span> <span class="ident">i32</span> <span class="op">-</span> <span class="ident">k</span>;
<span class="ident">vr</span> <span class="op">=</span> <span class="ident">mul_pow5_div_pow2</span>(<span class="ident">mv</span>, <span class="ident">i</span> <span class="kw">as</span> <span class="ident">u32</span>, <span class="ident">j</span>);
<span class="ident">vp</span> <span class="op">=</span> <span class="ident">mul_pow5_div_pow2</span>(<span class="ident">mp</span>, <span class="ident">i</span> <span class="kw">as</span> <span class="ident">u32</span>, <span class="ident">j</span>);
<span class="ident">vm</span> <span class="op">=</span> <span class="ident">mul_pow5_div_pow2</span>(<span class="ident">mm</span>, <span class="ident">i</span> <span class="kw">as</span> <span class="ident">u32</span>, <span class="ident">j</span>);
<span class="kw">if</span> <span class="ident">q</span> <span class="op">!</span><span class="op">=</span> <span class="number">0</span> <span class="op">&&</span> (<span class="ident">vp</span> <span class="op">-</span> <span class="number">1</span>) <span class="op">/</span> <span class="number">10</span> <span class="op"><</span><span class="op">=</span> <span class="ident">vm</span> <span class="op">/</span> <span class="number">10</span> {
<span class="ident">j</span> <span class="op">=</span> <span class="ident">q</span> <span class="kw">as</span> <span class="ident">i32</span> <span class="op">-</span> <span class="number">1</span> <span class="op">-</span> (<span class="ident">pow5bits</span>(<span class="ident">i</span> <span class="op">+</span> <span class="number">1</span>) <span class="op">-</span> <span class="ident">FLOAT_POW5_BITCOUNT</span>);
<span class="ident">last_removed_digit</span> <span class="op">=</span> (<span class="ident">mul_pow5_div_pow2</span>(<span class="ident">mv</span>, (<span class="ident">i</span> <span class="op">+</span> <span class="number">1</span>) <span class="kw">as</span> <span class="ident">u32</span>, <span class="ident">j</span>) <span class="op">%</span> <span class="number">10</span>) <span class="kw">as</span> <span class="ident">u8</span>;
}
<span class="kw">if</span> <span class="ident">q</span> <span class="op"><</span><span class="op">=</span> <span class="number">1</span> {
<span class="comment">// {vr,vp,vm} is trailing zeros if {mv,mp,mm} has at least q trailing 0 bits.</span>
<span class="comment">// mv = 4 * m2, so it always has at least two trailing 0 bits.</span>
<span class="ident">vr_is_trailing_zeros</span> <span class="op">=</span> <span class="bool-val">true</span>;
<span class="kw">if</span> <span class="ident">accept_bounds</span> {
<span class="comment">// mm = mv - 1 - mm_shift, so it has 1 trailing 0 bit iff mm_shift == 1.</span>
<span class="ident">vm_is_trailing_zeros</span> <span class="op">=</span> <span class="ident">mm_shift</span> <span class="op">==</span> <span class="number">1</span>;
} <span class="kw">else</span> {
<span class="comment">// mp = mv + 2, so it always has at least one trailing 0 bit.</span>
<span class="ident">vp</span> <span class="op">-</span><span class="op">=</span> <span class="number">1</span>;
}
} <span class="kw">else</span> <span class="kw">if</span> <span class="ident">q</span> <span class="op"><</span> <span class="number">31</span> {
<span class="comment">// TODO(ulfjack): Use a tighter bound here.</span>
<span class="ident">vr_is_trailing_zeros</span> <span class="op">=</span> <span class="ident">multiple_of_power_of_2_32</span>(<span class="ident">mv</span>, <span class="ident">q</span> <span class="op">-</span> <span class="number">1</span>);
}
}
<span class="comment">// Step 4: Find the shortest decimal representation in the interval of valid representations.</span>
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">removed</span> <span class="op">=</span> <span class="number">0i32</span>;
<span class="kw">let</span> <span class="ident">output</span> <span class="op">=</span> <span class="kw">if</span> <span class="ident">vm_is_trailing_zeros</span> <span class="op">|</span><span class="op">|</span> <span class="ident">vr_is_trailing_zeros</span> {
<span class="comment">// General case, which happens rarely (~4.0%).</span>
<span class="kw">while</span> <span class="ident">vp</span> <span class="op">/</span> <span class="number">10</span> <span class="op">></span> <span class="ident">vm</span> <span class="op">/</span> <span class="number">10</span> {
<span class="ident">vm_is_trailing_zeros</span> <span class="op">&=</span> <span class="ident">vm</span> <span class="op">-</span> (<span class="ident">vm</span> <span class="op">/</span> <span class="number">10</span>) <span class="op">*</span> <span class="number">10</span> <span class="op">==</span> <span class="number">0</span>;
<span class="ident">vr_is_trailing_zeros</span> <span class="op">&=</span> <span class="ident">last_removed_digit</span> <span class="op">==</span> <span class="number">0</span>;
<span class="ident">last_removed_digit</span> <span class="op">=</span> (<span class="ident">vr</span> <span class="op">%</span> <span class="number">10</span>) <span class="kw">as</span> <span class="ident">u8</span>;
<span class="ident">vr</span> <span class="op">/</span><span class="op">=</span> <span class="number">10</span>;
<span class="ident">vp</span> <span class="op">/</span><span class="op">=</span> <span class="number">10</span>;
<span class="ident">vm</span> <span class="op">/</span><span class="op">=</span> <span class="number">10</span>;
<span class="ident">removed</span> <span class="op">+</span><span class="op">=</span> <span class="number">1</span>;
}
<span class="kw">if</span> <span class="ident">vm_is_trailing_zeros</span> {
<span class="kw">while</span> <span class="ident">vm</span> <span class="op">%</span> <span class="number">10</span> <span class="op">==</span> <span class="number">0</span> {
<span class="ident">vr_is_trailing_zeros</span> <span class="op">&=</span> <span class="ident">last_removed_digit</span> <span class="op">==</span> <span class="number">0</span>;
<span class="ident">last_removed_digit</span> <span class="op">=</span> (<span class="ident">vr</span> <span class="op">%</span> <span class="number">10</span>) <span class="kw">as</span> <span class="ident">u8</span>;
<span class="ident">vr</span> <span class="op">/</span><span class="op">=</span> <span class="number">10</span>;
<span class="ident">vp</span> <span class="op">/</span><span class="op">=</span> <span class="number">10</span>;
<span class="ident">vm</span> <span class="op">/</span><span class="op">=</span> <span class="number">10</span>;
<span class="ident">removed</span> <span class="op">+</span><span class="op">=</span> <span class="number">1</span>;
}
}
<span class="kw">if</span> <span class="ident">vr_is_trailing_zeros</span> <span class="op">&&</span> <span class="ident">last_removed_digit</span> <span class="op">==</span> <span class="number">5</span> <span class="op">&&</span> <span class="ident">vr</span> <span class="op">%</span> <span class="number">2</span> <span class="op">==</span> <span class="number">0</span> {
<span class="comment">// Round even if the exact number is .....50..0.</span>
<span class="ident">last_removed_digit</span> <span class="op">=</span> <span class="number">4</span>;
}
<span class="comment">// We need to take vr + 1 if vr is outside bounds or we need to round up.</span>
<span class="ident">vr</span> <span class="op">+</span> ((<span class="ident">vr</span> <span class="op">==</span> <span class="ident">vm</span> <span class="op">&&</span> (<span class="op">!</span><span class="ident">accept_bounds</span> <span class="op">|</span><span class="op">|</span> <span class="op">!</span><span class="ident">vm_is_trailing_zeros</span>)) <span class="op">|</span><span class="op">|</span> <span class="ident">last_removed_digit</span> <span class="op">></span><span class="op">=</span> <span class="number">5</span>)
<span class="kw">as</span> <span class="ident">u32</span>
} <span class="kw">else</span> {
<span class="comment">// Specialized for the common case (~96.0%). Percentages below are relative to this.</span>
<span class="comment">// Loop iterations below (approximately):</span>
<span class="comment">// 0: 13.6%, 1: 70.7%, 2: 14.1%, 3: 1.39%, 4: 0.14%, 5+: 0.01%</span>
<span class="kw">while</span> <span class="ident">vp</span> <span class="op">/</span> <span class="number">10</span> <span class="op">></span> <span class="ident">vm</span> <span class="op">/</span> <span class="number">10</span> {
<span class="ident">last_removed_digit</span> <span class="op">=</span> (<span class="ident">vr</span> <span class="op">%</span> <span class="number">10</span>) <span class="kw">as</span> <span class="ident">u8</span>;
<span class="ident">vr</span> <span class="op">/</span><span class="op">=</span> <span class="number">10</span>;
<span class="ident">vp</span> <span class="op">/</span><span class="op">=</span> <span class="number">10</span>;
<span class="ident">vm</span> <span class="op">/</span><span class="op">=</span> <span class="number">10</span>;
<span class="ident">removed</span> <span class="op">+</span><span class="op">=</span> <span class="number">1</span>;
}
<span class="comment">// We need to take vr + 1 if vr is outside bounds or we need to round up.</span>
<span class="ident">vr</span> <span class="op">+</span> (<span class="ident">vr</span> <span class="op">==</span> <span class="ident">vm</span> <span class="op">|</span><span class="op">|</span> <span class="ident">last_removed_digit</span> <span class="op">></span><span class="op">=</span> <span class="number">5</span>) <span class="kw">as</span> <span class="ident">u32</span>
};
<span class="kw">let</span> <span class="ident">exp</span> <span class="op">=</span> <span class="ident">e10</span> <span class="op">+</span> <span class="ident">removed</span>;
<span class="ident">FloatingDecimal32</span> {
<span class="ident">exponent</span>: <span class="ident">exp</span>,
<span class="ident">mantissa</span>: <span class="ident">output</span>,
}
}
</code></pre></div>
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