1 | /* mpz_fdiv_q -- Division rounding the quotient towards -infinity. |
---|
2 | The remainder gets the same sign as the denominator. |
---|
3 | |
---|
4 | Copyright 1994, 1995, 1996, 2000, 2001 Free Software Foundation, Inc. |
---|
5 | |
---|
6 | This file is part of the GNU MP Library. |
---|
7 | |
---|
8 | The GNU MP Library is free software; you can redistribute it and/or modify |
---|
9 | it under the terms of the GNU Lesser General Public License as published by |
---|
10 | the Free Software Foundation; either version 2.1 of the License, or (at your |
---|
11 | option) any later version. |
---|
12 | |
---|
13 | The GNU MP Library is distributed in the hope that it will be useful, but |
---|
14 | WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
---|
15 | or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public |
---|
16 | License for more details. |
---|
17 | |
---|
18 | You should have received a copy of the GNU Lesser General Public License |
---|
19 | along with the GNU MP Library; see the file COPYING.LIB. If not, write to |
---|
20 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
---|
21 | MA 02111-1307, USA. */ |
---|
22 | |
---|
23 | #include "gmp.h" |
---|
24 | #include "gmp-impl.h" |
---|
25 | |
---|
26 | void |
---|
27 | mpz_fdiv_q (mpz_ptr quot, mpz_srcptr dividend, mpz_srcptr divisor) |
---|
28 | { |
---|
29 | mp_size_t dividend_size = dividend->_mp_size; |
---|
30 | mp_size_t divisor_size = divisor->_mp_size; |
---|
31 | mpz_t rem; |
---|
32 | TMP_DECL (marker); |
---|
33 | |
---|
34 | TMP_MARK (marker); |
---|
35 | |
---|
36 | MPZ_TMP_INIT (rem, ABS (divisor_size)); |
---|
37 | |
---|
38 | mpz_tdiv_qr (quot, rem, dividend, divisor); |
---|
39 | |
---|
40 | if ((divisor_size ^ dividend_size) < 0 && rem->_mp_size != 0) |
---|
41 | mpz_sub_ui (quot, quot, 1L); |
---|
42 | |
---|
43 | TMP_FREE (marker); |
---|
44 | } |
---|