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<!doctype html>
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<title>float — Ludic</title>
<meta name="description" content="Convert any number to a float (or double).">
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<header class="nav"><div class="wrap nav-in"><a class="brand" href="index.html"><span class="logo">L</span> Ludic</a><button class="nav-toggle" aria-label="Toggle menu" aria-expanded="false">☰</button><nav class="nav-links"><a href="index.html">Home</a><a href="api.html">API Reference</a><a class="nav-cta" href="https://git.workshopsoft.io/workshopsoft/ludic">Source ↗</a></nav></div></header>
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<div class="crumbs"><a href="api.html">API Reference</a> <span>›</span> <a href="api.html#builtins">Builtin functions</a> <span>›</span> <span class="here">float</span></div>
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<span class="kind-badge kind-builtin">function</span>
<h1 id="top">float</h1>
</div>
<code class="sig">float(x) -&gt; float / double(x) -&gt; double</code>
<div class="desc"><p>Converts an <code>int</code>, <code>long</code>, <code>fixed</code>, <code>float</code> or <code>double</code> to a <code>float</code> (or, with <code>double(x)</code>, to a <code>double</code>). It is the one conversion that crosses from fixed-point to floating point: <code>float(fixed(1)) / 4.0</code> is <code>0.25</code>. A decimal literal converts exactly, so <code>float(0.1)</code> is the nearest float to 0.1, not the nearest Q16.16 value.</p></div>
<div class="params"><h2>Parameters</h2><div class="param" id="param-x"><code class="pname">x</code><span class="pdesc">the number to convert</span></div></div>
<div class="examples"><h2>Example</h2><pre data-lang="ludic">program Convert {
entry {
let half = fixed(1) / 2
print(float(half) * 3.0) # 1.5
print(double(7) / 2) # 3.5
}
}</pre></div>
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