Annotation of OpenXM_contrib/gmp/mpz/cmp_ui.c, Revision 1.1.1.2
1.1 maekawa 1: /* mpz_cmp_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:
1.1.1.2 ! maekawa 4: Copyright (C) 1991, 1993, 1994, 1995, 1996 Free Software Foundation, Inc.
1.1 maekawa 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
1.1.1.2 ! maekawa 9: it under the terms of the GNU Lesser General Public License as published by
! 10: the Free Software Foundation; either version 2.1 of the License, or (at your
1.1 maekawa 11: option) any later version.
12:
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
1.1.1.2 ! maekawa 15: or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
1.1 maekawa 16: License for more details.
17:
1.1.1.2 ! maekawa 18: You should have received a copy of the GNU Lesser General Public License
1.1 maekawa 19: along with the GNU MP Library; see the file COPYING.LIB. If not, write to
20: the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
21: MA 02111-1307, USA. */
22:
23: #include "gmp.h"
24: #include "gmp-impl.h"
25:
26: int
27: #if __STDC__
1.1.1.2 ! maekawa 28: _mpz_cmp_ui (mpz_srcptr u, unsigned long int v_digit)
1.1 maekawa 29: #else
1.1.1.2 ! maekawa 30: _mpz_cmp_ui (u, v_digit)
1.1 maekawa 31: mpz_srcptr u;
32: unsigned long int v_digit;
33: #endif
34: {
35: mp_size_t usize = u->_mp_size;
36:
37: if (usize == 0)
38: return -(v_digit != 0);
39:
40: if (usize == 1)
41: {
42: mp_limb_t u_digit;
43:
44: u_digit = u->_mp_d[0];
45: if (u_digit > v_digit)
46: return 1;
47: if (u_digit < v_digit)
48: return -1;
49: return 0;
50: }
51:
52: return (usize > 0) ? 1 : -1;
53: }
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>