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  1. @c ----------------------------------------------------------------------
  2. @node hypot, math
  3. @subheading Syntax
  4.  
  5. @example
  6. #include <math.h>
  7.  
  8. double hypot(double x, double y);
  9. @end example
  10.  
  11. @subheading Return Value
  12.  
  13. The length of a hypotenuse of a right triangle whose shorter sides are
  14. @var{x} and @var{y}.  In other words, the distance between (0,0) and
  15. (@var{x},@var{y}).
  16.