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<html><head>
<title>cl:rem</title>
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<a href="../../start.htm">Nyquist / XLISP 2.0</a> -
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<hr>
<h1>cl:rem</h1>
<hr>
<p><div class="box">
<dl>
<dt>(cl:<b>rem</b> <i>number divisor</i>)</dt>
<dd><i>number</i> - an integer or floating-point number<br>
<i>divisor</i> - an integer or floating-point number<br>
returns - the remainder of a <a href="cl-truncate">cl:truncate</a> operation</dd>
</dl>
</div></p>
<pre class="example">
(defun <font color="#0000CC">cl:rem</font> (number divisor)
(if (= (abs number) (abs divisor))
(if (and (integerp number) (integerp divisor)) 0 0.0)
(let ((quotient (truncate (/ (float number) divisor))))
(- number (* quotient divisor)))))
</pre>
<p>The <nobr>cl:<b>rem</b></nobr> function performs the
<a href="truncate.htm">cl:truncate</a> operation on its arguments and
returns the remainder of the <a href="truncate.htm">cl:truncate</a>
operation. <nobr>The result</nobr> is either zero or an integer or
<nobr>floating-point</nobr> number with the same sign as the 'number'
argument. <nobr>If both</nobr> arguments are integer numbers, the
<nobr>cl:<b>rem</b></nobr> function is equal to the mathematical remainder
function.</p>
<p><nobr> <a href="#top">Back to top</a></nobr></p>
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