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dom-ctrl.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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12 *
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33
34#include <climits>
35
36namespace Gecode { namespace Int { namespace Distinct {
37
38 /*
39 * The propagation controller
40 *
41 */
42
43 template<class View>
46
47 template<class View>
48 forceinline bool
50 return g;
51 }
52
53 template<class View>
56 return g.init(home,x);
57 }
58
59 template<class View>
62 g.purge();
63 return g.sync() ? ES_OK : ES_FAILED;
64 }
65
66 template<class View>
68 DomCtrl<View>::propagate(Space& home, bool& assigned) {
69 if (!g.mark())
70 return ES_OK;
71 return g.prune(home,assigned);
72 }
73
74}}}
75
76// STATISTICS: int-prop
77
ExecStatus init(Space &home, ViewArray< View > &x)
Initialize view-value graph for views x.
Definition dom-ctrl.hpp:55
ExecStatus propagate(Space &home, bool &assigned)
Perform propagation, assigned is true if a view gets assigned.
Definition dom-ctrl.hpp:68
bool available(void)
Check whether a view-value graph is available.
Definition dom-ctrl.hpp:49
ExecStatus sync(void)
Synchronize available view-value graph.
Definition dom-ctrl.hpp:61
Graph< View > g
Propagation is performed on a view-value graph.
Definition distinct.hh:253
DomCtrl(void)
Initialize with non-initialized view-value graph.
Definition dom-ctrl.hpp:45
Computation spaces.
Definition core.hpp:1744
View arrays.
Definition array.hpp:253
Distinct propagators
Finite domain integers.
Gecode toplevel namespace
ExecStatus
Definition core.hpp:472
@ ES_OK
Execution is okay.
Definition core.hpp:476
@ ES_FAILED
Execution has resulted in failure.
Definition core.hpp:474
Post propagator for SetVar x
Definition set.hh:773
#define forceinline
Definition config.hpp:194