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

SVID 3, BSD 4.3, C99. The float and the long double variants are C99 requirements.