tony2001 Mon Apr 3 18:13:21 2006 UTC
Added files:
/phpdoc/en/reference/gmp/functions gmp-nextprime.xml
Log:
add documentation for gmp_nextprime()
http://cvs.php.net/viewcvs.cgi/phpdoc/en/reference/gmp/functions/gmp-nextprime.xml?view=markup&rev=1.1
Index: phpdoc/en/reference/gmp/functions/gmp-nextprime.xml
+++ phpdoc/en/reference/gmp/functions/gmp-nextprime.xml
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.1 $ -->
<refentry id="function.gmp-nextprime">
<refnamediv>
<refname>gmp_nextprime</refname>
<refpurpose>Find next prime number</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<methodsynopsis>
<type>resource</type><methodname>gmp_nextprime</methodname>
<methodparam><type>int</type><parameter>a</parameter></methodparam>
</methodsynopsis>
<para>
Return next prime number greater than <parameter>a</parameter>.
</para>
<para>
This function uses a probabilistic algorithm to identify primes and
chances to get a composite number are extremely small.
</para>
<example>
<title><function>gmp_nextprime</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
$prime1 = gmp_nextprime(10); // next prime number greater than 10
$prime2 = gmp_nextprime(-1000); // next prime number greater than -1000
echo gmp_strval($prime1) . "\n";
echo gmp_strval($prime2) . "\n";
?>
]]>
</programlisting>
<para>
The printout of the above program is:
</para>
<screen>
<![CDATA[
11
-997
]]>
</screen>
</example>
</refsect1>
</refentry>
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