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convex.hh
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1 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
2 /*
3  * Main authors:
4  * Guido Tack <tack@gecode.org>
5  * Christian Schulte <schulte@gecode.org>
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8  * Gabor Szokoli <szokoli@gecode.org>
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10  * Copyright:
11  * Guido Tack, 2004
12  * Christian Schulte, 2004
13  * Gabor Szokoli, 2004
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16  * $Date: 2009-10-12 17:36:53 +0200 (Mon, 12 Oct 2009) $ by $Author: schulte $
17  * $Revision: 9878 $
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43 
44 #ifndef __GECODE_SET_CONVEX_HH__
45 #define __GECODE_SET_CONVEX_HH__
46 
47 #include <gecode/set.hh>
48 
49 namespace Gecode { namespace Set { namespace Convex {
50 
62  class Convex : public UnaryPropagator<SetView,PC_SET_ANY> {
63  protected:
65  Convex(Space& home, bool share, Convex& p);
67  Convex(Home home, SetView);
68  public:
70  GECODE_SET_EXPORT virtual Actor* copy(Space& home,bool);
74  static ExecStatus post(Home home,SetView x);
75  };
76 
84  class ConvexHull : public BinaryPropagator<SetView,PC_SET_ANY> {
85  protected:
87  ConvexHull(Space& home, bool share, ConvexHull&);
90  public:
92  GECODE_SET_EXPORT virtual Actor* copy(Space& home,bool);
96  static ExecStatus post(Home home,SetView x,SetView y);
97  };
98 
99 
100 }}}
101 
104 
105 #endif
106 
107 // STATISTICS: set-prop
ConvexHull(Space &home, bool share, ConvexHull &)
Constructor for cloning p.
Definition: hull.hpp:56
Unary propagator.
Definition: propagator.hpp:59
virtual Actor * copy(Space &home, bool)
Copy propagator during cloning.
Definition: conv.cpp:47
static ExecStatus post(Home home, SetView x)
Post propagator that propagates that x is convex.
Definition: conv.hpp:60
Computation spaces.
Definition: core.hpp:1362
Base-class for both propagators and branchers.
Definition: core.hpp:666
virtual ExecStatus propagate(Space &home, const ModEventDelta &med)
Perform propagation.
Definition: conv.cpp:52
int p
Number of positive literals for node type.
Definition: bool-expr.cpp:236
Binary propagator.
Definition: propagator.hpp:87
ModEventDelta med
A set of modification events (used during propagation)
Definition: core.hpp:764
virtual Actor * copy(Space &home, bool)
Copy propagator during cloning.
Definition: hull.cpp:49
Set view for set variables
Definition: view.hpp:60
Convex(Space &home, bool share, Convex &p)
Constructor for cloning p.
Definition: conv.hpp:56
virtual ExecStatus propagate(Space &home, const ModEventDelta &med)
Perform propagation.
Definition: hull.cpp:54
Node * x
Pointer to corresponding Boolean expression node.
Definition: bool-expr.cpp:253
ExecStatus
Definition: core.hpp:523
static ExecStatus post(Home home, SetView x, SetView y)
Post propagator that propagates that y is the convex hull of x.
Definition: hull.hpp:60
Gecode toplevel namespace
Propagator for the convex constraint
Definition: convex.hh:62
int ModEventDelta
Modification event deltas.
Definition: core.hpp:173
Home class for posting propagators
Definition: core.hpp:717
#define GECODE_SET_EXPORT
Definition: set.hh:69
Propagator for the convex hull constraint
Definition: convex.hh:84