hypotl(3) -- Linux man page

 

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);
 

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.  

SEE ALSO

sqrt(3), cabs(3)