Annotation of OpenXM_contrib/gmp/mpq/abs.c, Revision 1.1.1.1
1.1 ohara 1: /* mpq_abs -- absolute value of a rational.
2:
3: Copyright 2000, 2001 Free Software Foundation, Inc.
4:
5: This file is part of the GNU MP Library.
6:
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 2.1 of the License, or (at your
10: option) any later version.
11:
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.
16:
17: You should have received a copy of the GNU Lesser General Public License
18: along with the GNU MP Library; see the file COPYING.LIB. If not, write to
19: the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
20: MA 02111-1307, USA. */
21:
22: #define __GMP_FORCE_mpq_abs 1
23:
24: #include "gmp.h"
25: #include "gmp-impl.h"
26:
27:
28: void
29: mpq_abs (mpq_ptr dst, mpq_srcptr src)
30: {
31: mp_size_t num_size = src->_mp_num._mp_size;
32: mp_size_t num_abs_size = ABS (num_size);
33:
34: if (dst != src)
35: {
36: mp_size_t den_size = src->_mp_den._mp_size;
37:
38: MPZ_REALLOC (mpq_numref(dst), num_abs_size);
39: MPZ_REALLOC (mpq_denref(dst), den_size);
40:
41: MPN_COPY (dst->_mp_num._mp_d, src->_mp_num._mp_d, num_abs_size);
42: MPN_COPY (dst->_mp_den._mp_d, src->_mp_den._mp_d, den_size);
43:
44: dst->_mp_den._mp_size = den_size;
45: }
46:
47: dst->_mp_num._mp_size = num_abs_size;
48: }
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>