v7 man page for hypot

HYPOT(3M)																 HYPOT(3M)

NAME
       hypot, cabs - euclidean distance

SYNOPSIS
       #include <math.h>

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

       double cabs(z)
       struct { double x, y;} z;

DESCRIPTION
       Hypot and cabs return

		      sqrt(x*x + y*y),

       taking precautions against unwarranted overflows.

SEE ALSO
       exp(3) for sqrt

																	 HYPOT(3M)