1.22 fmax, fmaxf–maximum

Synopsis

     #include <math.h>
     double fmax(double x, double y);
     float fmaxf(float x, float y);
     

Description
The fmax functions determine the maximum numeric value of their arguments. NaN arguments are treated as missing data: if one argument is a NaN and the other numeric, then the fmax functions choose the numeric value.

Returns
The fmax functions return the maximum numeric value of their arguments.

Portability
ANSI C, POSIX.