1 /* mpz_tdiv_q -- divide two integers and produce a quotient.
3 Copyright 1991, 1993, 1994, 1996, 2000, 2001, 2005, 2010 Free Software Foundation,
6 This file is part of the GNU MP Library.
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 3 of the License, or (at your
11 option) any later version.
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.
18 You should have received a copy of the GNU Lesser General Public License
19 along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */
26 mpz_tdiv_q (mpz_ptr quot, mpz_srcptr num, mpz_srcptr den)
29 mp_size_t ns, ds, nl, dl;
48 MPZ_REALLOC (quot, ql);
55 /* Copy denominator to temporary space if it overlaps with the quotient. */
59 tp = TMP_ALLOC_LIMBS (dl);
60 MPN_COPY (tp, dp, dl);
63 /* Copy numerator to temporary space if it overlaps with the quotient. */
67 tp = TMP_ALLOC_LIMBS (nl + 1);
68 MPN_COPY (tp, np, nl);
69 /* Overlap dividend and scratch. */
70 mpn_div_q (qp, tp, nl, dp, dl, tp);
75 tp = TMP_ALLOC_LIMBS (nl + 1);
76 mpn_div_q (qp, np, nl, dp, dl, tp);
79 ql -= qp[ql - 1] == 0;
81 SIZ (quot) = (ns ^ ds) >= 0 ? ql : -ql;