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
  16 #include <sys/cdefs.h>
  17 #if defined(LIBM_SCCS) && !defined(lint)
  18 __RCSID("$NetBSD: s_fabsf.c,v 1.7 2002/05/26 22:01:55 wiz 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 float
  29 fabsf(float x)
  30 {
  31         u_int32_t ix;
  32         GET_FLOAT_WORD(ix,x);
  33         SET_FLOAT_WORD(x,ix&0x7fffffff);
  34         return x;
  35 }