Annotation of OpenXM_contrib/gmp/tests/refmpq.c, Revision 1.1.1.1
1.1 ohara 1: /* Reference rational routines.
2:
3: Copyright 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: #include "gmp.h"
23: #include "gmp-impl.h"
24: #include "tests.h"
25:
26:
27: void
28: refmpq_add (mpq_ptr w, mpq_srcptr x, mpq_srcptr y)
29: {
30: mpz_mul (mpq_numref(w), mpq_numref(x), mpq_denref(y));
31: mpz_addmul (mpq_numref(w), mpq_denref(x), mpq_numref(y));
32: mpz_mul (mpq_denref(w), mpq_denref(x), mpq_denref(y));
33: mpq_canonicalize (w);
34: }
35:
36: void
37: refmpq_sub (mpq_ptr w, mpq_srcptr x, mpq_srcptr y)
38: {
39: mpz_mul (mpq_numref(w), mpq_numref(x), mpq_denref(y));
40: mpz_submul (mpq_numref(w), mpq_denref(x), mpq_numref(y));
41: mpz_mul (mpq_denref(w), mpq_denref(x), mpq_denref(y));
42: mpq_canonicalize (w);
43: }
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