HYPOT(3M)                            SysV                            HYPOT(3M)



NAME
     hypot - Euclidean distance function

SYNOPSIS
     #include <math.h>

     double hypot (x, y)
     double x, y;

DESCRIPTION
     hypot returns

          sqrt(x * x + y * y),

     taking precautions against unwarranted overflows.

SEE ALSO
     matherr(3M).

DIAGNOSTICS
     When the correct value would overflow, hypot returns HUGE_VAL and sets
     errno to ERANGE.

     If x or y is NaN, NaN is returned.

     These error-handling procedures may be changed with the function
     matherr(3M).