[project @ 1996-01-08 20:28:12 by partain]
[ghc.git] / ghc / runtime / gmp / mpz_mdiv_ui.c
1 /* mpz_mdiv_ui -- Mathematical DIVision and MODulo, i.e. division that rounds
2 the quotient towards -infinity.
3
4 Copyright (C) 1991, 1992 Free Software Foundation, Inc.
5
6 This file is part of the GNU MP Library.
7
8 The GNU MP Library is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2, or (at your option)
11 any later version.
12
13 The GNU MP Library is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with the GNU MP Library; see the file COPYING. If not, write to
20 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
21
22 #include "gmp.h"
23 #include "gmp-impl.h"
24
25 void
26 #ifdef __STDC__
27 mpz_mdiv_ui (MP_INT *quot,
28 const MP_INT *dividend, unsigned long int divisor)
29 #else
30 mpz_mdiv_ui (quot, dividend, divisor)
31 MP_INT *quot;
32 const MP_INT *dividend;
33 unsigned long int divisor;
34 #endif
35 {
36 MP_INT rem;
37
38 MPZ_TMP_INIT (&rem, 1 + ABS (dividend->size));
39
40 mpz_divmod_ui (quot, &rem, dividend, divisor);
41 if (rem.size < 0)
42 mpz_sub_ui (quot, quot, 1);
43 }