libjava/classpath/native/fdlibm/s_fabs.c

   1
   2 /* @(#)s_fabs.c 1.3 95/01/18 */
   3 /*
   4  * ====================================================
   5  * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
   6  *
   7  * Developed at SunSoft, a Sun Microsystems, Inc. business.
   8  * Permission to use, copy, modify, and distribute this
   9  * software is freely granted, provided that this notice
  10  * is preserved.
  11  * ====================================================
  12  */
  13
  14 /*
  15  * fabs(x) returns the absolute value of x.
  16  */
  17
  18 #include "fdlibm.h"
  19
  20 #ifndef _DOUBLE_IS_32BITS
  21
  22 #ifdef __STDC__
  23         double fabs(double x)
  24 #else
  25         double fabs(x)
  26         double x;
  27 #endif
  28 {
  29         uint32_t hx;
  30
  31         GET_HIGH_WORD(hx,x);
  32         SET_HIGH_WORD(x, hx & 0x7fffffff);
  33         return x;
  34 }
  35
  36 #endif /* _DOUBLE_IS_32BITS */