mingw-w64-crt/math/fmax.c

/**
 * This file has no copyright assigned and is placed in the Public Domain.
 * This file is part of the mingw-w64 runtime package.
 * No warranty is given; refer to the file DISCLAIMER.PD within this package.
 */
#include <math.h>

double
fmax (double _x, double _y)
{
   return ( isgreaterequal (_x, _y)|| __isnan (_y) ?  _x : _y );
}