Annotation of OpenXM_contrib/gmp/mpz/cmpabs.c, Revision 1.1.1.1
1.1 maekawa 1: /* mpz_cmpabs(u,v) -- Compare U, V. Return postive, zero, or negative
2: based on if U > V, U == V, or U < V.
3:
4: Copyright (C) 1991, 1993, 1994, 1996, 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 (mpz_srcptr u, mpz_srcptr v)
30: #else
31: mpz_cmpabs (u, v)
32: mpz_srcptr u;
33: mpz_srcptr v;
34: #endif
35: {
36: mp_size_t usize = u->_mp_size;
37: mp_size_t vsize = v->_mp_size;
38: mp_size_t size;
39: mp_srcptr up, vp;
40: int cmp;
41:
42: usize = ABS (usize);
43: vsize = ABS (vsize);
44:
45: if (usize != vsize)
46: return usize - vsize;
47:
48: if (usize == 0)
49: return 0;
50:
51: up = u->_mp_d;
52: vp = v->_mp_d;
53:
54: cmp = mpn_cmp (up, vp, usize);
55:
56: return cmp;
57: }
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