1 /* mpq_abs -- absolute value of a rational.
3 Copyright 2000, 2001 Free Software Foundation, Inc.
5 This file is part of the GNU MP Library.
7 The GNU MP Library is free software; you can redistribute it and/or modify
8 it under the terms of the GNU Lesser General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or (at your
10 option) any later version.
12 The GNU MP Library is distributed in the hope that it will be useful, but
13 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
15 License for more details.
17 You should have received a copy of the GNU Lesser General Public License
18 along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */
20 #define __GMP_FORCE_mpq_abs 1
27 mpq_abs (mpq_ptr dst, mpq_srcptr src)
29 mp_size_t num_size = src->_mp_num._mp_size;
30 mp_size_t num_abs_size = ABS (num_size);
34 mp_size_t den_size = src->_mp_den._mp_size;
36 MPZ_REALLOC (mpq_numref(dst), num_abs_size);
37 MPZ_REALLOC (mpq_denref(dst), den_size);
39 MPN_COPY (dst->_mp_num._mp_d, src->_mp_num._mp_d, num_abs_size);
40 MPN_COPY (dst->_mp_den._mp_d, src->_mp_den._mp_d, den_size);
42 dst->_mp_den._mp_size = den_size;
45 dst->_mp_num._mp_size = num_abs_size;