1/* mpz_abs(dst, src) -- Assign the absolute value of SRC to DST.
2
3Copyright 1991, 1993, 1994, 1995, 2001 Free Software Foundation, Inc.
4
5This file is part of the GNU MP Library.
6
7The GNU MP Library is free software; you can redistribute it and/or modify
8it under the terms of the GNU Lesser General Public License as published by
9the Free Software Foundation; either version 3 of the License, or (at your
10option) any later version.
11
12The GNU MP Library is distributed in the hope that it will be useful, but
13WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
15License for more details.
16
17You should have received a copy of the GNU Lesser General Public License
18along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
19
20#define __GMP_FORCE_mpz_abs 1
21
22#include "gmp.h"
23#include "gmp-impl.h"
24
25void
26mpz_abs (mpz_ptr w, mpz_srcptr u)
27{
28  mp_ptr wp, up;
29  mp_size_t size;
30
31  size = ABS (u->_mp_size);
32
33  if (u != w)
34    {
35      if (w->_mp_alloc < size)
36	_mpz_realloc (w, size);
37
38      wp = w->_mp_d;
39      up = u->_mp_d;
40
41      MPN_COPY (wp, up, size);
42    }
43
44  w->_mp_size = size;
45}
46