reference/math/functions/lcg-value.xml
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<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<refentry xml:id="function.lcg-value" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>lcg_value</refname>
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<refpurpose>Combined linear congruential generator</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis>
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<type>float</type><methodname>lcg_value</methodname>
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<void/>
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</methodsynopsis>
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<para>
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<function>lcg_value</function> returns a pseudo random number in
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the range of (0, 1). The function combines two CGs with periods
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of 2^31 - 85 and 2^31 - 249. The period of this function is equal
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to the product of both primes.
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</para>
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</refsect1>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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A pseudo random float value in the range of (0, 1)
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</para>
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</refsect1>
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<refsect1 role="seealso">
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&reftitle.seealso;
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<para>
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<simplelist>
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<member><function>rand</function></member>
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<member><function>mt_rand</function></member>
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</simplelist>
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</para>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"~/.phpdoc/manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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