fmax, fmaxf, fmaxl - determine maximum numeric value

Definition	#include <math.h> double fmax(double x, double y); (C11) float fmaxf(float x, float y); (C11) long double fmaxl(long double x, long double y);  (C11) These functions determine the maximum numeric value of  x and y.
Return val.	x                    if x > y y                    if x <= y
See also	fdim, fmin