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edge.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:
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33
34namespace Gecode { namespace Int { namespace ViewValGraph {
35
36 template<class View>
39 : sd(s,d) {
40 s->add(this);
41 }
42 template<class View>
45 : _next_edge(n), sd(s,d) {
46 s->add(this);
47 }
48
49 template<class View>
52 return sd.ptr(s);
53 }
54
55 template<class View>
56 forceinline void
58 unlink();
59 d->add(this);
60 }
61
62 template<class View>
65 return static_cast<ViewNode<View>*>(sd.ptr(n));
66 }
67 template<class View>
70 return static_cast<ValNode<View>*>(sd.ptr(x));
71 }
72
73 template<class View>
74 forceinline bool
76 return sd.is_set() || (v->comp == sd.ptr(v)->comp);
77 }
78 template<class View>
79 forceinline void
81 sd.set();
82 }
83 template<class View>
84 forceinline void
86 sd.unset();
87 }
88
89 template<class View>
92 return _next_edge;
93 }
94 template<class View>
97 return &_next_edge;
98 }
99 template<class View>
101 Edge<View>::next(void) const {
102 return static_cast<Edge<View>*>(BiLink::next());
103 }
104
105 template<class View>
106 forceinline void
107 Edge<View>::operator delete(void*, size_t) {}
108 template<class View>
109 forceinline void
110 Edge<View>::operator delete(void*,Space&) {}
111 template<class View>
112 forceinline void*
113 Edge<View>::operator new(size_t s, Space& home) {
114 return home.ralloc(s);
115 }
116
117}}}
118
119// STATISTICS: int-prop
120
int n
Number of negative literals for node type.
Edges in view-value graph.
Edge(ValNode< View > *v, ViewNode< View > *x)
Construct new edge between x and v.
Definition edge.hpp:38
ValNode< View > * val(ViewNode< View > *x) const
Return value node when view node x is given.
Definition edge.hpp:69
Edge< View > * next_edge(void) const
Return next edge in list of value edges.
Definition edge.hpp:91
ViewNode< View > * view(ValNode< View > *v) const
Return view node when value node v is given.
Definition edge.hpp:64
Edge< View > ** next_edge_ref(void)
Return reference to next edge in list of value edges.
Definition edge.hpp:96
Node< View > * dst(Node< View > *s) const
Return destination of edge when source s is given.
Definition edge.hpp:51
void free(void)
Unmark node as used.
Definition edge.hpp:85
void use(void)
Mark node as used.
Definition edge.hpp:80
Edge< View > * next(void) const
Return next edge in list of edges per node.
Definition edge.hpp:101
void revert(Node< View > *d)
Revert edge to node d for matching.
Definition edge.hpp:57
bool used(Node< View > *v) const
Whether edge is used (marked or between nodes from the same scc)
Definition edge.hpp:75
Base-class for nodes (both view and value nodes)
Value nodes in view-value graph.
View nodes in view-value graph.
Computation spaces.
Definition core.hpp:1742
Gecode toplevel namespace
Post propagator for SetVar x
Definition set.hh:767
#define forceinline
Definition config.hpp:187