php-doc-en/reference/gmp/functions/gmp-divexact.xml
2004-02-26 11:14:11 +00:00

67 lines
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XML

<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.4 $ -->
<!-- splitted from ./en/functions/gmp.xml, last change in rev 1.1 -->
<refentry id="function.gmp-divexact">
<refnamediv>
<refname>gmp_divexact</refname>
<refpurpose>Exact division of numbers</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<methodsynopsis>
<type>resource</type><methodname>gmp_divexact</methodname>
<methodparam><type>resource</type><parameter>n</parameter></methodparam>
<methodparam><type>resource</type><parameter>d</parameter></methodparam>
</methodsynopsis>
<para>
Divides <parameter>n</parameter> by <parameter>d</parameter>,
using fast "exact division" algorithm. This function produces
correct results only when it is known in advance that
<parameter>d</parameter> divides <parameter>n</parameter>.
</para>
<example>
<title><function>gmp_divexact</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
$div1 = gmp_divexact("10", "2");
echo gmp_strval($div1) . "\n";
$div2 = gmp_divexact("10", "3"); // bogus result
echo gmp_strval($div2) . "\n";
?>
]]>
</programlisting>
<para>
The printout of the above program will be:
</para>
<screen>
<![CDATA[
5
2863311534
]]>
</screen>
</example>
</refsect1>
</refentry>
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