diff options
Diffstat (limited to 'gmp/mpq/canonicalize.c')
| -rw-r--r-- | gmp/mpq/canonicalize.c | 48 |
1 files changed, 19 insertions, 29 deletions
diff --git a/gmp/mpq/canonicalize.c b/gmp/mpq/canonicalize.c index 882f408fb8..e5bedec4c3 100644 --- a/gmp/mpq/canonicalize.c +++ b/gmp/mpq/canonicalize.c @@ -1,63 +1,53 @@ /* mpq_canonicalize(op) -- Remove common factors of the denominator and numerator in OP. -Copyright 1991, 1994-1996, 2000, 2001, 2005 Free Software Foundation, Inc. +Copyright 1991, 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 either: - - * the GNU Lesser General Public License as published by the Free - Software Foundation; either version 3 of the License, or (at your - option) any later version. - -or - - * the GNU General Public License as published by the Free Software - Foundation; either version 2 of the License, or (at your option) any - later version. - -or both in parallel, as here. +it under the terms of the GNU Lesser General Public License as published by +the Free Software Foundation; either version 3 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 General Public License -for more details. +or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public +License for more details. -You should have received copies of the GNU General Public License and the -GNU Lesser General Public License along with the GNU MP Library. If not, -see https://www.gnu.org/licenses/. */ +You should have received a copy of the GNU Lesser General Public License +along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */ #include "gmp.h" #include "gmp-impl.h" void -mpq_canonicalize (mpq_t op) +mpq_canonicalize (MP_RAT *op) { mpz_t gcd; TMP_DECL; - if (UNLIKELY (SIZ(DEN(op)) == 0)) + if (op->_mp_den._mp_size == 0) DIVIDE_BY_ZERO; TMP_MARK; /* ??? Dunno if the 1+ is needed. */ - MPZ_TMP_INIT (gcd, 1 + MAX (ABSIZ(NUM(op)), - ABSIZ(DEN(op)))); + MPZ_TMP_INIT (gcd, 1 + MAX (ABS (op->_mp_num._mp_size), + ABS (op->_mp_den._mp_size))); - mpz_gcd (gcd, NUM(op), DEN(op)); + mpz_gcd (gcd, &(op->_mp_num), &(op->_mp_den)); if (! MPZ_EQUAL_1_P (gcd)) { - mpz_divexact_gcd (NUM(op), NUM(op), gcd); - mpz_divexact_gcd (DEN(op), DEN(op), gcd); + mpz_divexact_gcd (&(op->_mp_num), &(op->_mp_num), gcd); + mpz_divexact_gcd (&(op->_mp_den), &(op->_mp_den), gcd); } - if (SIZ(DEN(op)) < 0) + if (op->_mp_den._mp_size < 0) { - SIZ(NUM(op)) = -SIZ(NUM(op)); - SIZ(DEN(op)) = -SIZ(DEN(op)); + op->_mp_num._mp_size = -op->_mp_num._mp_size; + op->_mp_den._mp_size = -op->_mp_den._mp_size; } TMP_FREE; } |