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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  * Last modified:
10  * $Date: 2011-09-07 16:15:16 +0200 (Wed, 07 Sep 2011) $ by $Author: schulte $
11  * $Revision: 12394 $
12  *
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37 
38 #include <climits>
39 
40 namespace Gecode { namespace Int { namespace Distinct {
41 
42  /*
43  * The propagation controller
44  *
45  */
46 
47  template<class View>
50 
51  template<class View>
52  forceinline bool
54  return g.initialized();
55  }
56 
57  template<class View>
60  return g.init(home,x);
61  }
62 
63  template<class View>
66  g.purge();
67  return g.sync(home) ? ES_OK : ES_FAILED;
68  }
69 
70  template<class View>
73  if (!g.mark(home))
74  return ES_OK;
75  return g.prune(home,assigned);
76  }
77 
78 }}}
79 
80 // STATISTICS: int-prop
81 
ExecStatus init(Space &home, ViewArray< View > &x)
Initialize view-value graph for views x.
Definition: dom-ctrl.hpp:59
Computation spaces.
Definition: core.hpp:1362
Execution has resulted in failure.
Definition: core.hpp:525
View arrays.
Definition: array.hpp:234
ExecStatus sync(Space &home)
Synchronize available view-value graph.
Definition: dom-ctrl.hpp:65
Node * x
Pointer to corresponding Boolean expression node.
Definition: bool-expr.cpp:253
ExecStatus
Definition: core.hpp:523
DomCtrl(void)
Initialize with non-initialized view-value graph.
Definition: dom-ctrl.hpp:49
bool assigned(View x, int v)
Whether x is assigned to value v.
Definition: single.hpp:47
#define forceinline
Definition: config.hpp:132
ExecStatus propagate(Space &home, bool &assigned)
Perform propagation, assigned is true if a view gets assigned.
Definition: dom-ctrl.hpp:72
Execution is okay.
Definition: core.hpp:527
Gecode toplevel namespace
bool available(void)
Check whether a view-value graph is available.
Definition: dom-ctrl.hpp:53