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/* Copyright (C) 2002 by Red Hat, Incorporated. All rights reserved.
*
* Permission to use, copy, modify, and distribute this software
* is freely granted, provided that this notice is preserved.
*/
#include "math.h"
#include "math_private.h"
#ifdef __STDC__
double fdim(double x, double y)
#else
double fdim(x,y)
double x;
double y;
#endif
{
int c = __fpclassify(x);
if (c == FP_NAN || c == FP_INFINITE)
return HUGE_VAL;
return x > y ? x - y : 0.0;
}
libm_hidden_def(fdim)
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