45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
/* mpz_fdiv_q -- Division rounding the quotient towards -infinity.
|
|
The remainder gets the same sign as the denominator.
|
|
|
|
Copyright 1994, 1995, 1996, 2000, 2001, 2005 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 2.1 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; see the file COPYING.LIB. If not, write to
|
|
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
|
MA 02110-1301, USA. */
|
|
|
|
#include "gmp.h"
|
|
#include "gmp-impl.h"
|
|
|
|
void
|
|
mpz_fdiv_q (mpz_ptr quot, mpz_srcptr dividend, mpz_srcptr divisor)
|
|
{
|
|
mp_size_t dividend_size = dividend->_mp_size;
|
|
mp_size_t divisor_size = divisor->_mp_size;
|
|
mpz_t rem;
|
|
TMP_DECL;
|
|
|
|
TMP_MARK;
|
|
|
|
MPZ_TMP_INIT (rem, ABS (divisor_size));
|
|
|
|
mpz_tdiv_qr (quot, rem, dividend, divisor);
|
|
|
|
if ((divisor_size ^ dividend_size) < 0 && rem->_mp_size != 0)
|
|
mpz_sub_ui (quot, quot, 1L);
|
|
|
|
TMP_FREE;
|
|
}
|