1/* mpq_set_z (dest,src) -- Set DEST to SRC.
2
3Copyright 1996, 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#include "gmp.h"
21#include "gmp-impl.h"
22
23void
24mpq_set_z (mpq_ptr dest, mpz_srcptr src)
25{
26  mp_size_t num_size;
27  mp_size_t abs_num_size;
28
29  num_size = src->_mp_size;
30  abs_num_size = ABS (num_size);
31  if (dest->_mp_num._mp_alloc < abs_num_size)
32    _mpz_realloc (&(dest->_mp_num), abs_num_size);
33  MPN_COPY (dest->_mp_num._mp_d, src->_mp_d, abs_num_size);
34  dest->_mp_num._mp_size = num_size;
35
36  dest->_mp_den._mp_d[0] = 1;
37  dest->_mp_den._mp_size = 1;
38}
39