HYPOT

Section: Linux Programmer's Manual (3)
Updated: 2002-07-27
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NAME

hypot, hypotf, hypotl - Euclidean distance function

SYNOPSIS


#include <math.h>



double hypot(double x, double y);




float hypotf(float x, float y);




long double hypotl(long double x, long double y);

Link with -lm.

DESCRIPTION

The hypot() function returns sqrt(x*x+y*y). This is the length of the hypotenuse of a right-angle triangle with sides of length x and y, or the distance of the point (x,y) from the origin.

CONFORMING TO

SVr4, 4.3BSD, C99. The float and long double variants are C99 requirements.