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
;