hypot(2) plan9 man page | unix.com

HYPOT(2)							System Calls Manual							  HYPOT(2)

NAME
       hypot - Euclidean distance

SYNOPSIS
       #include <u.h>
       #include <libc.h>

       double hypot(double x, double y)

DESCRIPTION
       Hypot returns
	    sqrt(x*x + y*y)
       taking precautions against unwarranted overflows.

SOURCE
       /sys/src/libc/port/hypot.c

																	  HYPOT(2)