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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 "fdlibm.h"

#ifdef __STDC__

        float fdimf(float x, float y)

#else

        float fdimf(x,y)

        float x;

        float y;

#endif

{

  int c = __fpclassifyf(x);

  if (c == FP_NAN || c == FP_INFINITE)

    return HUGE_VAL;

  return x > y ? x - y : 0.0;

}

#ifdef _DOUBLE_IS_32BITS

#ifdef __STDC__

        double fdim(double x, double y)

#else

        double fdim(x,y)

        double x;

        double y;

#endif

{

  return (double) fdimf((float) x, (float) y);

}

#endif /* defined(_DOUBLE_IS_32BITS) */