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 /*
  17  * fabsf(x) returns the absolute value of x.
  18  */
  19
  20 #include "math.h"
  21 #include "math_private.h"
  22
  23 float
  24 fabsf(float x)
  25 {
  26         u_int32_t ix;
  27         GET_FLOAT_WORD(ix,x);
  28         SET_FLOAT_WORD(x,ix&0x7fffffff);
  29         return x;
  30 }