compiler/stdc/math/s_fabsf.c

   1 /* s_fabsf.c -- float version of s_fabs.c.
   2  * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
   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 #ifndef lint
  17 static char rcsid[] = "$FreeBSD: src/lib/msun/src/s_fabsf.c,v 1.8 2008/02/22 02:30:35 das Exp $";
  18 #endif
  19
  20 /*
  21  * fabsf(x) returns the absolute value of x.
  22  */
  23
  24 #include "math.h"
  25 #include "math_private.h"
  26
  27 float
  28 fabsf(float x)
  29 {
  30         uint32_t ix;
  31         GET_FLOAT_WORD(ix,x);
  32         SET_FLOAT_WORD(x,ix&0x7fffffff);
  33         return x;
  34 }