Generated on Sat Feb 7 2015 02:01:22 for Gecode by doxygen 1.8.9.1
exec.hh
Go to the documentation of this file.
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, 2009
8  *
9  * Last modified:
10  * $Date: 2009-10-12 17:36:53 +0200 (Mon, 12 Oct 2009) $ by $Author: schulte $
11  * $Revision: 9878 $
12  *
13  * This file is part of Gecode, the generic constraint
14  * development environment:
15  * http://www.gecode.org
16  *
17  * Permission is hereby granted, free of charge, to any person obtaining
18  * a copy of this software and associated documentation files (the
19  * "Software"), to deal in the Software without restriction, including
20  * without limitation the rights to use, copy, modify, merge, publish,
21  * distribute, sublicense, and/or sell copies of the Software, and to
22  * permit persons to whom the Software is furnished to do so, subject to
23  * the following conditions:
24  *
25  * The above copyright notice and this permission notice shall be
26  * included in all copies or substantial portions of the Software.
27  *
28  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
29  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
30  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
31  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
32  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
33  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
34  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
35  *
36  */
37 
38 #ifndef __GECODE_INT_EXEC_HH__
39 #define __GECODE_INT_EXEC_HH__
40 
41 #include <gecode/int.hh>
42 
48 namespace Gecode { namespace Int { namespace Exec {
49 
56  class When : public UnaryPropagator<BoolView,PC_BOOL_VAL> {
57  protected:
60  void (*t)(Space&);
62  void (*e)(Space&);
64  When(Space& home, bool share, When& p);
66  When(Home home, BoolView x, void (*t0)(Space&), void (*e0)(Space&));
67  public:
70  virtual Actor* copy(Space& home, bool share);
73  virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
76  static ExecStatus post(Home home, BoolView x,
77  void (*t)(Space&), void (*e)(Space&));
78  };
79 
80 }}}
81 
82 #include <gecode/int/exec/when.hpp>
83 
84 #endif
85 
86 // STATISTICS: int-prop
87 
virtual ExecStatus propagate(Space &home, const ModEventDelta &med)
Perform propagation.
Definition: when.cpp:62
void(* t)(Space &)
Then function pointer.
Definition: exec.hh:60
Unary propagator.
Definition: propagator.hpp:59
static ExecStatus post(Home home, BoolView x, void(*t)(Space &), void(*e)(Space &))
Post propagator.
Definition: when.cpp:43
virtual Actor * copy(Space &home, bool share)
Copy propagator during cloning.
Definition: when.cpp:57
Computation spaces.
Definition: core.hpp:1362
Base-class for both propagators and branchers.
Definition: core.hpp:666
int p
Number of positive literals for node type.
Definition: bool-expr.cpp:236
void(* e)(Space &)
Else function pointer.
Definition: exec.hh:62
ModEventDelta med
A set of modification events (used during propagation)
Definition: core.hpp:764
Conditional propagator.
Definition: exec.hh:56
Node * x
Pointer to corresponding Boolean expression node.
Definition: bool-expr.cpp:253
ExecStatus
Definition: core.hpp:523
Gecode toplevel namespace
#define GECODE_INT_EXPORT
Definition: int.hh:78
When(Space &home, bool share, When &p)
Constructor for cloning p.
Definition: when.hpp:45
int ModEventDelta
Modification event deltas.
Definition: core.hpp:173
Home class for posting propagators
Definition: core.hpp:717
Boolean view for Boolean variables.
Definition: view.hpp:1315