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git-svn-id: https://svn.php.net/repository/phpdoc/fr/trunk@157848 c90b9560-bf6c-de11-be94-00142212c4b1
76 lines
1.7 KiB
XML
76 lines
1.7 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision: 1.6 $ -->
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<!-- EN-Revision: 1.7 Maintainer: yannick Status: ready -->
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<refentry id="function.exp">
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<refnamediv>
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<refname>exp</refname>
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<refpurpose>Exponentielle</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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<methodsynopsis>
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<type>float</type><methodname>exp</methodname>
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<methodparam><type>float</type><parameter>arg</parameter></methodparam>
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</methodsynopsis>
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<para>
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<function>exp</function> retourne l'exponentielle de
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<parameter>arg</parameter>, c'est-à-dire
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e élevé à la puissance
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<parameter>arg</parameter>.
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</para>
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<note>
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<para>
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'e' est le logarithme naturel, ou approximativement 2.718282.
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</para>
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</note>
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<para>
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<example>
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<title>Exemple avec <function>exp</function></title>
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<programlisting role="php">
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<![CDATA[
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<?php
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echo exp(12) . "\n";
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echo exp(5.7);
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?>
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]]>
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</programlisting>
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<para>
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L'exemple précédent affchera :
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</para>
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<screen>
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<![CDATA[
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1.6275E+005
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298.87
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]]>
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</screen>
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</example>
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</para>
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<para>
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Voir aussi
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<function>pow</function> et
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<function>log</function>.
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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:"../../../../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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