lib/libm/src/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  * $NetBSD: s_fabsf.c,v 1.7 2002/05/26 22:01:55 wiz Exp $
  16  * $DragonFly: src/lib/libm/src/s_fabsf.c,v 1.1 2005/07/26 21:15:20 joerg Exp $
  17  */
  18
  19 /*
  20  * fabsf(x) returns the absolute value of x.
  21  */
  22
  23 #include <math.h>
  24 #include "math_private.h"
  25
  26 float
  27 fabsf(float x)
  28 {
  29         u_int32_t ix;
  30         GET_FLOAT_WORD(ix,x);
  31         SET_FLOAT_WORD(x,ix&0x7fffffff);
  32         return x;
  33 }