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<a name="round_002c-roundf_002d_002dround-to-integer_002c-to-nearest"></a>
<h3 class="section">1.49 <code>round</code>, <code>roundf</code>–round to integer, to nearest</h3>
<a name="index-round"></a>
<a name="index-roundf"></a>
<p><strong>Synopsis</strong>
</p><div class="example">
<pre class="example">#include <math.h>
double round(double <var>x</var>);
float roundf(float <var>x</var>);
</pre></div>
<p><strong>Description</strong><br>
The <code>round</code> functions round their argument to the nearest integer
value in floating-point format, rounding halfway cases away from zero,
regardless of the current rounding direction. (While the "inexact"
floating-point exception behavior is unspecified by the C standard, the
<code>round</code> functions are written so that "inexact" is not raised if the
result does not equal the argument, which behavior is as recommended by
IEEE 754 for its related functions.)
</p>
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<p><strong>Returns</strong><br>
<var>x</var> rounded to an integral value.
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<br>
<p><strong>Portability</strong><br>
ANSI C, POSIX
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<p><strong>See Also</strong><br>
<code>nearbyint</code>, <code>rint</code>
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