newlib/libm/mathfp/s_exp2.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 double
  12 exp2 (double x)
  13 {
  14   return pow(2.0, x);
  15 }
  16
  17 #endif /* _DOUBLE_IS_32BITS */