get_den.c
上传用户:qaz666999
上传日期:2022-08-06
资源大小:2570k
文件大小:1k
- /* mpq_get_den(den,rat_src) -- Set DEN to the denominator of RAT_SRC.
- Copyright 1991, 1994, 1995, 2001 Free Software Foundation, Inc.
- This file is part of the GNU MP Library.
- The GNU MP Library is free software; you can redistribute it and/or modify
- it under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 3 of the License, or (at your
- option) any later version.
- The GNU MP Library is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
- License for more details.
- You should have received a copy of the GNU Lesser General Public License
- along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */
- #include "gmp.h"
- #include "gmp-impl.h"
- void
- mpq_get_den (MP_INT *den, const MP_RAT *src)
- {
- mp_size_t size = src->_mp_den._mp_size;
- if (den->_mp_alloc < size)
- _mpz_realloc (den, size);
- MPN_COPY (den->_mp_d, src->_mp_den._mp_d, size);
- den->_mp_size = size;
- }