newlib-cygwin/newlib/libm/common/s_fmax.c

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2002-06-08 05:59:57 +08:00
/* 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"
#ifndef _DOUBLE_IS_32BITS
#ifdef __STDC__
double fmax(double x, double y)
#else
double fmax(x,y)
double x;
double y;
#endif
{
if (__fpclassifyd(x) == FP_NAN)
return x;
if (__fpclassifyd(y) == FP_NAN)
return y;
return x > y ? x : y;
}
#endif /* _DOUBLE_IS_32BITS */