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hypot, hypotf, hypotl - Euclidean distance
function
#include <math.h>
double hypot(double x, double y);
float hypotf(float x, float y);
long double hypotl (long double x, long double y);
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.
SVID 3, BSD 4.3, C99. The float
and the long double variants are C99 requirements.
sqrt(3)
, cabs(3)
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