php-doc-en/reference/bc/functions/bcscale.xml
2005-07-04 07:24:19 +00:00

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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.7 $ -->
<!-- splitted from ./en/functions/bc.xml, last change in rev 1.2 -->
<refentry id="function.bcscale">
<refnamediv>
<refname>bcscale</refname>
<refpurpose>
Set default scale parameter for all bc math functions
</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<methodsynopsis>
<type>bool</type><methodname>bcscale</methodname>
<methodparam><type>int</type><parameter>scale</parameter></methodparam>
</methodsynopsis>
<para>
This function sets the default scale parameter for all subsequent
bc math functions that do not explicitly specify a scale
parameter. &return.success;
</para>
</refsect1>
<refsect1>
&reftitle.examples;
<example>
<title><function>bcscale</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
// default scale : 3
bcscale(3);
echo bcdiv('105', '6.55957'); // 16.007
// this is the same without bcscale()
echo bcdiv('105', '6.55957', 3); // 16.007
?>
]]>
</programlisting>
</example>
</refsect1>
</refentry>
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