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112 lines
3.1 KiB
XML
112 lines
3.1 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<!-- EN-Revision: 54a788ca59d95ff2b4189406437345a21b489435 Maintainer: lacatoire Status: ready -->
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<!-- Reviewed: yes Maintainer: pmartin -->
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<refentry xml:id="function.fmod" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>fmod</refname>
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<refpurpose>Retourne le reste de la division</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>fmod</methodname>
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<methodparam><type>float</type><parameter>num1</parameter></methodparam>
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<methodparam><type>float</type><parameter>num2</parameter></methodparam>
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</methodsynopsis>
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<para>
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Retourne le reste de la division de <parameter>num1</parameter>
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par <parameter>num2</parameter>. Ce reste est un nombre à virgule
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flottante. Le reste (<varname>r</varname>) est défini par : num1 = i * num2 + r,
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pour un entier <varname>i</varname>. Si <parameter>num2</parameter> n'est pas nul,
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<varname>r</varname> a le même signe que <parameter>num1</parameter>
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et une taille inférieure à celle de <parameter>num2</parameter>.
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</para>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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<para>
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<variablelist>
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<varlistentry>
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<term><parameter>num1</parameter></term>
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<listitem>
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<para>
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Le dividende
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>num2</parameter></term>
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<listitem>
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<para>
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Le diviseur
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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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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Le reste de la division de <parameter>num1</parameter>
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par <parameter>num2</parameter>.
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<constant>NAN</constant> (<type>float</type>) si le second argument est 0.
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</para>
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</refsect1>
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<refsect1 role="examples">
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&reftitle.examples;
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<para>
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<example>
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<title>Exemple avec <function>fmod</function></title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$x = 5.7;
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$y = 1.3;
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$r = fmod($x, $y);
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// $r vaut 0.5, parce que 4 * 1.3 + 0.5 = 5.7
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var_dump($x, $y, $r);
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?>
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]]>
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</programlisting>
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</example>
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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><link linkend="language.operators.arithmetic"><literal>/</literal></link> - Division à virgule flottante</member>
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<member><link linkend="language.operators.arithmetic"><literal>%</literal></link> - Modulo d'entier</member>
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<member><function>intdiv</function> - Division d'entier</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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