<?xml version="1.0" encoding="utf-8"?>

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<refentry xml:id="function.fmod" xmlns="http://docbook.org/ns/docbook">

<refnamediv>

<refname>fmod</refname>

<refpurpose>Retourne le reste de la division</refpurpose>

</refnamediv>

<refsect1 role="description">

&reftitle.description;

<methodsynopsis>

<type>float</type><methodname>fmod</methodname>

<methodparam><type>float</type><parameter>num1</parameter></methodparam>

<methodparam><type>float</type><parameter>num2</parameter></methodparam>

</methodsynopsis>

<para>

Retourne le reste de la division de <parameter>num1</parameter>

par <parameter>num2</parameter>. Ce reste est un nombre à virgule

flottante. Le reste (<varname>r</varname>) est défini par : num1 = i * num2 + r,

pour un entier <varname>i</varname>. Si <parameter>num2</parameter> n'est pas nul,

<varname>r</varname> a le même signe que <parameter>num1</parameter>

et une taille inférieure à celle de <parameter>num2</parameter>.

</para>

</refsect1>

<refsect1 role="parameters">

&reftitle.parameters;

<para>

<variablelist>

<varlistentry>

<term><parameter>num1</parameter></term>

<listitem>

<para>

Le dividende

</para>

</listitem>

</varlistentry>

<varlistentry>

<term><parameter>num2</parameter></term>

<listitem>

<para>

Le diviseur

</para>

</listitem>

</varlistentry>

</variablelist>

</para>

</refsect1>

<refsect1 role="returnvalues">

&reftitle.returnvalues;

<para>

Le reste de la division de <parameter>num1</parameter>

par <parameter>num2</parameter>.

<constant>NAN</constant> (<type>float</type>) si le second argument est 0.

</para>

</refsect1>

<refsect1 role="examples">

&reftitle.examples;

<para>

<example>

<title>Exemple avec <function>fmod</function></title>

<programlisting role="php">

<![CDATA[

<?php

$x = 5.7;

$y = 1.3;

$r = fmod($x, $y);

// $r vaut 0.5, parce que 4 * 1.3 + 0.5 = 5.7

var_dump($x, $y, $r);

?>

]]>

</programlisting>

</example>

</para>

</refsect1>

<refsect1 role="seealso">

&reftitle.seealso;

<para>

<simplelist>

<member><link linkend="language.operators.arithmetic"><literal>/</literal></link> - Division à virgule flottante</member>

<member><link linkend="language.operators.arithmetic"><literal>%</literal></link> - Modulo d'entier</member>

<member><function>intdiv</function> - Division d'entier</member>

</simplelist>

</para>

</refsect1>

</refentry>

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