mirror of
https://github.com/sigmasternchen/php-doc-en
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0e1e984293
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@297596 c90b9560-bf6c-de11-be94-00142212c4b1
105 lines
2.1 KiB
XML
105 lines
2.1 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<refentry xmlns="http://docbook.org/ns/docbook" xml:id="function.gmp-sign">
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<refnamediv>
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<refname>gmp_sign</refname>
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<refpurpose>Sign of number</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>int</type><methodname>gmp_sign</methodname>
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<methodparam><type>resource</type><parameter>a</parameter></methodparam>
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</methodsynopsis>
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<para>
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Checks the sign of a number.
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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>a</parameter></term>
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<listitem>
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&gmp.parameter;
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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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Returns 1 if <parameter>a</parameter> is positive,
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-1 if <parameter>a</parameter> is negative,
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and 0 if <parameter>a</parameter> is zero.
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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><function>gmp_sign</function> example</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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// positive
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echo gmp_sign("500") . "\n";
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// negative
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echo gmp_sign("-500") . "\n";
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// zero
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echo gmp_sign("0") . "\n";
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?>
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]]>
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</programlisting>
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&example.outputs;
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<screen>
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<![CDATA[
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1
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-1
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0
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]]>
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</screen>
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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><function>gmp_abs</function></member>
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<member><function>abs</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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