   #PHP Manual Mathematical Functions hexdec is_finite

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                                     hypot

   (PHP 4 >= 4.1.0)
   hypot --  Returns sqrt(num1*num1 + num2*num2)

Description

   float hypot ( float num1, float num2)

   Warning

   This function is EXPERIMENTAL. The behaviour of this function, the
   name of this function, and anything else documented about this
   function may change without notice in a future release of PHP. Use
   this function at your own risk.

   Warning

   This function is currently not documented; only the argument list is
   available.
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