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<html>
<head>
<title>EAGLE Help: Rounding Functions</title>
</head>
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<i>EAGLE Help</i>
<h1><center>Rounding Functions</center></h1>
<hr>
<dl>
<dt>
<b>Function</b>
<dd>
Rounding functions.
<p>
<dt>
<b>Syntax</b>
<dd>
<tt>real ceil(real x);</tt><br>
<tt>real floor(real x);</tt><br>
<tt>real frac(real x);</tt><br>
<tt>real round(real x);</tt><br>
<tt>real trunc(real x);</tt>
<p>
<dt>
<b>Returns</b>
<dd>
<tt>ceil </tt> returns the smallest integer not less than <tt>x</tt>.<br>
<tt>floor</tt> returns the largest integer not greater than <tt>x</tt>.<br>
<tt>frac </tt> returns the fractional part of <tt>x</tt>.<br>
<tt>round</tt> returns <tt>x</tt> rounded to the nearest integer.<br>
<tt>trunc</tt> returns the integer part of <tt>x</tt>.
<p>
</dl>
<b>Example</b>
<pre>
real x = 2.567;
printf("The rounded value of %f is %f\n", x, round(x));
</pre>
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