Annotation of OpenXM_contrib/gmp/mpz/cmpabs_ui.c, Revision 1.1.1.1
1.1 maekawa 1: /* mpz_cmpabs_ui.c -- Compare a mpz_t a with an mp_limb_t b. Return positive,
2: zero, or negative based on if a > b, a == b, or a < b.
3:
4: Copyright (C) 1991, 1993, 1994, 1995, 1997, 2000 Free Software Foundation,
5: Inc.
6:
7: This file is part of the GNU MP Library.
8:
9: The GNU MP Library is free software; you can redistribute it and/or modify
10: it under the terms of the GNU Lesser General Public License as published by
11: the Free Software Foundation; either version 2.1 of the License, or (at your
12: option) any later version.
13:
14: The GNU MP Library is distributed in the hope that it will be useful, but
15: WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
16: or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
17: License for more details.
18:
19: You should have received a copy of the GNU Lesser General Public License
20: along with the GNU MP Library; see the file COPYING.LIB. If not, write to
21: the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
22: MA 02111-1307, USA. */
23:
24: #include "gmp.h"
25: #include "gmp-impl.h"
26:
27: int
28: #if __STDC__
29: mpz_cmpabs_ui (mpz_srcptr u, unsigned long int v_digit)
30: #else
31: mpz_cmpabs_ui (u, v_digit)
32: mpz_srcptr u;
33: unsigned long int v_digit;
34: #endif
35: {
36: mp_size_t usize = u->_mp_size;
37:
38: if (usize == 0)
39: return -(v_digit != 0);
40:
41: usize = ABS (usize);
42:
43: if (usize == 1)
44: {
45: mp_limb_t u_digit;
46:
47: u_digit = u->_mp_d[0];
48: if (u_digit > v_digit)
49: return 1;
50: if (u_digit < v_digit)
51: return -1;
52: return 0;
53: }
54:
55: return 1;
56: }
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