sysdeps/ieee754/ldbl-128ibm/s_fabsl.c

   1 /* s_fabsl.c -- long double version of s_fabs.c.
   2  * Conversion to IEEE quad long double by Jakub Jelinek, jj@ultra.linux.cz.
   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 #if defined(LIBM_SCCS) && !defined(lint)
  17 static char rcsid[] = "$NetBSD: $";
  18 #endif
  19
  20
  21 /*
  22  * fabsl(x) returns the absolute value of x.
  23  */
  24
  25 #include "math.h"
  26 #include "math_private.h"
  27 #include <math_ldbl_opt.h>
  28
  29 #ifdef __STDC__
  30         long double __fabsl(long double x)
  31 #else
  32         long double __fabsl(x)
  33         long double x;
  34 #endif
  35 {
  36         u_int64_t hx, lx;
  37         GET_LDOUBLE_WORDS64(hx,lx,x);
  38         lx = lx ^ ( hx & 0x8000000000000000LL );
  39         hx = hx & 0x7fffffffffffffffLL;
  40         SET_LDOUBLE_WORDS64(x,hx,lx);
  41         return x;
  42 }
  43 long_double_symbol (libm, __fabsl, fabsl);