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bi-link.hpp
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1/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
2/*
3 * Main authors:
4 * Christian Schulte <schulte@gecode.org>
5 *
6 * Copyright:
7 * Christian Schulte, 2003
8 *
9 * This file is part of Gecode, the generic constraint
10 * development environment:
11 * http://www.gecode.org
12 *
13 * Permission is hereby granted, free of charge, to any person obtaining
14 * a copy of this software and associated documentation files (the
15 * "Software"), to deal in the Software without restriction, including
16 * without limitation the rights to use, copy, modify, merge, publish,
17 * distribute, sublicense, and/or sell copies of the Software, and to
18 * permit persons to whom the Software is furnished to do so, subject to
19 * the following conditions:
20 *
21 * The above copyright notice and this permission notice shall be
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23 *
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31 *
32 */
33
34namespace Gecode { namespace Int { namespace ViewValGraph {
35
38 _prev = this; _next = this;
39 }
40
42 BiLink::prev(void) const {
43 return _prev;
44 }
46 BiLink::next(void) const {
47 return _next;
48 }
49 forceinline void
51 _prev = l;
52 }
53 forceinline void
55 _next = l;
56 }
57
58 forceinline void
60 l->_prev = this; l->_next = _next;
61 _next->_prev = l; _next = l;
62 }
63 forceinline void
65 BiLink* p = _prev; BiLink* n = _next;
66 p->_next = n; n->_prev = p;
67 }
68
69 forceinline void
71 _next = NULL;
72 }
73 forceinline bool
74 BiLink::marked(void) const {
75 return _next == NULL;
76 }
77 forceinline bool
78 BiLink::empty(void) const {
79 return _prev == this;
80 }
81
82}}}
83
84// STATISTICS: int-prop
85
NNF * l
Left subtree.
int p
Number of positive literals for node type.
int n
Number of negative literals for node type.
Gecode toplevel namespace
#define forceinline
Definition config.hpp:187