newlib/libm/common/s_fmax.c

   1 /* Copyright (C) 2002 by  Red Hat, Incorporated. All rights reserved.
   2  *
   3  * Permission to use, copy, modify, and distribute this software
   4  * is freely granted, provided that this notice is preserved.
   5  */
   6
   7 #include "fdlibm.h"
   8
   9 #ifndef _DOUBLE_IS_32BITS
  10
  11 #ifdef __STDC__
  12         double fmax(double x, double y)
  13 #else
  14         double fmax(x,y)
  15         double x;
  16         double y;
  17 #endif
  18 {
  19   if (__fpclassifyd(x) == FP_NAN)
  20     return x;
  21   if (__fpclassifyd(y) == FP_NAN)
  22     return y;
  23
  24   return x > y ? x : y;
  25 }
  26
  27 #endif /* _DOUBLE_IS_32BITS */