fmax, fmaxf, fmaxl - determine maximum numeric value

Syntax	#include <math.h> C11 double fmax(double x, double y); float fmaxf(float x, float y); long double fmaxl(long double x, long double y); (End)
Description	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(), math.h.