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<h3 class="section">1.47 <code>remainder</code>, <code>remainderf</code>&mdash;round and  remainder</h3>
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<p><strong>Synopsis</strong>
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<pre class="example">#include &lt;math.h&gt;
double remainder(double <var>x</var>, double <var>y</var>);
float remainderf(float <var>x</var>, float <var>y</var>);

</pre></div>
<p><strong>Description</strong><br>
<code>remainder</code> and <code>remainderf</code> find the remainder of
<var>x</var>/<var>y</var>; this value is in the range -<var>y</var>/2 .. +<var>y</var>/2.
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<p><strong>Returns</strong><br>
<code>remainder</code> returns the integer result as a double.
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<p><strong>Portability</strong><br>
<code>remainder</code> is a System V release 4.
<code>remainderf</code> is an extension.
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