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  1. /* Copyright (C) 1994 DJ Delorie, see COPYING.DJ for details */
  2. /* s_fabsf.c -- float version of s_fabs.c.
  3.  * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
  4.  */
  5.  
  6. /*
  7.  * ====================================================
  8.  * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
  9.  *
  10.  * Developed at SunPro, a Sun Microsystems, Inc. business.
  11.  * Permission to use, copy, modify, and distribute this
  12.  * software is freely granted, provided that this notice
  13.  * is preserved.
  14.  * ====================================================
  15.  */
  16.  
  17. #if defined(LIBM_SCCS) && !defined(lint)
  18. static char rcsid[] = "$Id: s_fabsf.c,v 1.2 1994/08/18 23:06:43 jtc Exp $";
  19. #endif
  20.  
  21. /*
  22.  * fabsf(x) returns the absolute value of x.
  23.  */
  24.  
  25. #include "math.h"
  26. #include "math_private.h"
  27.  
  28. #ifdef __STDC__
  29.         float fabsf(float x)
  30. #else
  31.         float fabsf(x)
  32.         float x;
  33. #endif
  34. {
  35.         u_int32_t ix;
  36.         GET_FLOAT_WORD(ix,x);
  37.         SET_FLOAT_WORD(x,ix&0x7fffffff);
  38.         return x;
  39. }
  40.