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7 changes: 4 additions & 3 deletions reference/math/functions/fdiv.xml
Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<!-- EN-Revision: 9dba7a436d59e0418b902a3edd86748a00216926 Maintainer: mumumu Status: ready -->
<!-- EN-Revision: 2b7eebaaf61adf4b14a18a046f1a6c2b61cc8e72 Maintainer: mumumu Status: ready -->

<refentry xml:id="function.fdiv" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
Expand Down Expand Up @@ -81,9 +81,10 @@ var_dump(fdiv(0.0, 0.0)); // float(NAN)
&reftitle.seealso;
<para>
<simplelist>
<member><link linkend="language.operators.arithmetic"><literal>/</literal></link> - 浮動小数点数の除算</member>
<member>除算演算子 <link linkend="language.operators.arithmetic"><literal>/</literal></link></member>
<member><function>intdiv</function> - 整数値の除算</member>
<member><function>fmod</function> - 剰余</member>
<member><function>fmod</function></member>
<member><function>fpow</function></member>
</simplelist>
</para>
</refsect1>
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112 changes: 112 additions & 0 deletions reference/math/functions/fpow.xml
Original file line number Diff line number Diff line change
@@ -0,0 +1,112 @@
<?xml version="1.0" encoding="utf-8"?>
<!-- EN-Revision: 2b7eebaaf61adf4b14a18a046f1a6c2b61cc8e72 Maintainer: siwa32 Status: ready -->
<!-- CREDITS: siwa32 -->
<refentry xml:id="function.fpow" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>fpow</refname>
<refpurpose>IEEE 754 に従い、数値をべき乗する</refpurpose>
</refnamediv>

<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>float</type><methodname>fpow</methodname>
<methodparam><type>float</type><parameter>num</parameter></methodparam>
<methodparam><type>float</type><parameter>exponent</parameter></methodparam>
</methodsynopsis>
<simpara>
<parameter>num</parameter> の
<parameter>exponent</parameter> 乗の結果を浮動小数点数として返します。
<parameter>num</parameter> が 0 で <parameter>exponent</parameter> が負数の場合は、
<constant>INF</constant> を返します。
</simpara>
</refsect1>

<refsect1 role="parameters">
&reftitle.parameters;
<variablelist>
<varlistentry>
<term><parameter>num</parameter></term>
<listitem>
<simpara>
使用する基数。
</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>exponent</parameter></term>
<listitem>
<simpara>
指数。
</simpara>
</listitem>
</varlistentry>
</variablelist>
</refsect1>

<refsect1 role="returnvalues">
&reftitle.returnvalues;
<simpara>
<code>$num<superscript>$exponent</superscript></code> を
<type>float</type> で返します。
</simpara>
</refsect1>

<refsect1 role="examples">
&reftitle.examples;
<example xml:id="function.fpow.example.basic">
<title><function>fpow</function> の例</title>
<programlisting role="php">
<![CDATA[
<?php
var_dump(fpow(10, 2));
var_dump(fpow(0, -3));
var_dump(fpow(-1, 5.5));
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
float(100)
float(INF)
float(NAN)
]]>
</screen>
</example>
</refsect1>

<refsect1 role="seealso">
&reftitle.seealso;
<simplelist>
<member>
べき乗演算子
<link linkend="language.operators.arithmetic"><literal>**</literal></link>
</member>
<member><function>pow</function></member>
<member><function>fdiv</function></member>
<member><function>fmod</function></member>
</simplelist>
</refsect1>

</refentry>
<!-- Keep this comment at the end of the file
Local variables:
mode: sgml
sgml-omittag:t
sgml-shorttag:t
sgml-minimize-attributes:nil
sgml-always-quote-attributes:t
sgml-indent-step:1
sgml-indent-data:t
indent-tabs-mode:nil
sgml-parent-document:nil
sgml-default-dtd-file:"~/.phpdoc/manual.ced"
sgml-exposed-tags:nil
sgml-local-catalogs:nil
sgml-local-ecat-files:nil
End:
vim600: syn=xml fen fdm=syntax fdl=2 si
vim: et tw=78 syn=sgml
vi: ts=1 sw=1
-->
31 changes: 30 additions & 1 deletion reference/math/functions/pow.xml
Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<!-- EN-Revision: 7dbc44bd0d8923890acf1acedf79daba672af39c Maintainer: hirokawa Status: ready -->
<!-- EN-Revision: 0787a61e3614306bb3c0e5241396241e2d3ae4a7 Maintainer: hirokawa Status: ready -->
<!-- CREDITS: takagi -->
<refentry xml:id="function.pow" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
Expand Down Expand Up @@ -58,6 +58,30 @@
PHP の拡張モジュールは、この演算の振る舞いを上書きし、オブジェクトを返させても構いません。
</para>
</refsect1>

<refsect1 role="changelog">
&reftitle.changelog;
<informaltable>
<tgroup cols="2">
<thead>
<row>
<entry>&Version;</entry>
<entry>&Description;</entry>
</row>
</thead>
<tbody>
<row>
<entry>8.4.0</entry>
<entry>
基数が <literal>0</literal> の場合に、
<parameter>exponent</parameter> を負数とするのは非推奨となりました。
</entry>
</row>
</tbody>
</tgroup>
</informaltable>
</refsect1>

<refsect1 role="examples">
&reftitle.examples;
<para>
Expand Down Expand Up @@ -96,6 +120,11 @@ echo pow(-1, 5.5); // NAN
&reftitle.seealso;
<para>
<simplelist>
<member>
べき乗演算子
<link linkend="language.operators.arithmetic"><literal>**</literal></link>
</member>
<member><function>fpow</function></member>
<member><function>exp</function></member>
<member><function>sqrt</function></member>
<member><function>bcpow</function></member>
Expand Down