1/* mpz_set (dest_integer, src_integer) -- Assign DEST_INTEGER from SRC_INTEGER.
2
3Copyright 1991, 1993, 1994, 1995, 2000 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#include "gmp.h"
21#include "gmp-impl.h"
22
23
24#ifdef BERKELEY_MP
25#include "mp.h"
26#define FUNCTION   move
27#define ARGUMENTS  mpz_srcptr u, mpz_ptr w
28
29#else
30#define FUNCTION   mpz_set
31#define ARGUMENTS  mpz_ptr w, mpz_srcptr u
32
33#endif
34
35
36void
37FUNCTION (ARGUMENTS)
38{
39  mp_ptr wp, up;
40  mp_size_t usize, size;
41
42  usize = u->_mp_size;
43  size = ABS (usize);
44
45  if (w->_mp_alloc < size)
46    _mpz_realloc (w, size);
47
48  wp = w->_mp_d;
49  up = u->_mp_d;
50
51  MPN_COPY (wp, up, size);
52  w->_mp_size = usize;
53}
54