hypot

Sommaire

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.

SEE ALSO

cabs(3), sqrt(3)