diff options
Diffstat (limited to 'gnu/lib/libgmp/mpz/cdiv_q.c')
-rw-r--r-- | gnu/lib/libgmp/mpz/cdiv_q.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/gnu/lib/libgmp/mpz/cdiv_q.c b/gnu/lib/libgmp/mpz/cdiv_q.c new file mode 100644 index 00000000000..860a232f053 --- /dev/null +++ b/gnu/lib/libgmp/mpz/cdiv_q.c @@ -0,0 +1,51 @@ +/* mpz_cdiv_q -- Division rounding the quotient towards +infinity. The + remainder gets the opposite sign as the denominator. + +Copyright (C) 1994, 1995, 1996 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 Library General Public License as published by +the Free Software Foundation; either version 2 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 Library General Public +License for more details. + +You should have received a copy of the GNU Library General Public License +along with the GNU MP Library; see the file COPYING.LIB. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, +MA 02111-1307, USA. */ + +#include "gmp.h" +#include "gmp-impl.h" + +void +#if __STDC__ +mpz_cdiv_q (mpz_ptr quot, mpz_srcptr dividend, mpz_srcptr divisor) +#else +mpz_cdiv_q (quot, dividend, divisor) + mpz_ptr quot; + mpz_srcptr dividend; + mpz_srcptr divisor; +#endif +{ + mp_size_t dividend_size = dividend->_mp_size; + mp_size_t divisor_size = divisor->_mp_size; + mpz_t rem; + TMP_DECL (marker); + + TMP_MARK (marker); + + MPZ_TMP_INIT (rem, 1 + ABS (dividend_size)); + + mpz_tdiv_qr (quot, rem, dividend, divisor); + + if ((divisor_size ^ dividend_size) >= 0 && rem->_mp_size != 0) + mpz_add_ui (quot, quot, 1L); + + TMP_FREE (marker); +} |