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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.5 $ -->
<!-- splitted from ./en/functions/math.xml, last change in rev 1.72 -->
<refentry id='function.hypot'>
<refnamediv>
<refname>hypot</refname>
<refpurpose>
Calculate the length of the hypotenuse of a right-angle triangle
</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<methodsynopsis>
<type>float</type><methodname>hypot</methodname>
<methodparam><type>float</type><parameter>x</parameter></methodparam>
<methodparam><type>float</type><parameter>y</parameter></methodparam>
</methodsynopsis>
<para>
<function>hypot</function> returns the length of the hypotenuse of a
right-angle triangle with sides of length <parameter>x</parameter> and
<parameter>y</parameter>, or the distance of the point
(<parameter>x</parameter>, <parameter>y</parameter>) from the origin.
This is equivalent to <literal>sqrt(x*x + y*y)</literal>.
</para>
</refsect1>
</refentry>
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