newlib/libm/common/sf_exp10.c

   1 /* sf_exp10.c -- float version of s_exp10.c.
   2  * Modification of sf_exp2.c by Yaakov Selkowitz 2007.
   3  */
   4
   5 /*
   6  * ====================================================
   7  * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
   8  *
   9  * Developed at SunPro, a Sun Microsystems, Inc. business.
  10  * Permission to use, copy, modify, and distribute this
  11  * software is freely granted, provided that this notice
  12  * is preserved.
  13  * ====================================================
  14  */
  15
  16 /*
  17  * wrapper exp10f(x)
  18  */
  19
  20 #undef exp10f
  21 #include "fdlibm.h"
  22 #include <errno.h>
  23 #include <math.h>
  24
  25 #ifdef __STDC__
  26         float exp10f(float x)           /* wrapper exp10f */
  27 #else
  28         float exp10f(x)                 /* wrapper exp10f */
  29         float x;
  30 #endif
  31 {
  32   return powf(10.0, x);
  33 }
  34
  35 #ifdef _DOUBLE_IS_32BITS
  36
  37 #ifdef __STDC__
  38         double exp10(double x)
  39 #else
  40         double exp10(x)
  41         double x;
  42 #endif
  43 {
  44         return (double) exp10f((float) x);
  45 }
  46
  47 #endif /* defined(_DOUBLE_IS_32BITS) */