1/* mpq_get_den(den,rat_src) -- Set DEN to the denominator of RAT_SRC.
2
3Copyright 1991, 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#include "gmp.h"
21#include "gmp-impl.h"
22
23void
24mpq_get_den (MP_INT *den, const MP_RAT *src)
25{
26  mp_size_t size = src->_mp_den._mp_size;
27
28  if (den->_mp_alloc < size)
29    _mpz_realloc (den, size);
30
31  MPN_COPY (den->_mp_d, src->_mp_den._mp_d, size);
32  den->_mp_size = size;
33}
34