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circuit.hh
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37 
38 #ifndef __GECODE_INT_CIRCUIT_HH__
39 #define __GECODE_INT_CIRCUIT_HH__
40 
41 #include <gecode/int.hh>
42 #include <gecode/int/distinct.hh>
43 
49 namespace Gecode { namespace Int { namespace Circuit {
50 
58  template<class View, class Offset>
59  class Base : public NaryPropagator<View,Int::PC_INT_DOM> {
60  protected:
67  Base(Space& home, bool share, Base& p);
69  Base(Home home, ViewArray<View>& x, Offset& o);
71  ExecStatus connected(Space& home);
73  ExecStatus path(Space& home);
74  public:
76  virtual size_t dispose(Space& home);
77  };
78 
89  template<class View, class Offset>
90  class Val : public Base<View,Offset> {
91  protected:
98  Val(Space& home, bool share, Val& p);
100  Val(Home home, ViewArray<View>& x, Offset& o);
101  public:
103  virtual Actor* copy(Space& home, bool share);
105  virtual PropCost cost(const Space& home, const ModEventDelta& med) const;
107  virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
109  static ExecStatus post(Home home, ViewArray<View>& x, Offset& o);
110  };
111 
122  template<class View, class Offset>
123  class Dom : public Base<View,Offset> {
124  protected:
125  using Base<View,Offset>::x;
126  using Base<View,Offset>::y;
129  using Base<View,Offset>::o;
133  Dom(Space& home, bool share, Dom& p);
135  Dom(Home home, ViewArray<View>& x, Offset& o);
136  public:
138  virtual Actor* copy(Space& home, bool share);
145  virtual PropCost cost(const Space& home, const ModEventDelta& med) const;
147  virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
149  static ExecStatus post(Home home, ViewArray<View>& x, Offset& o);
150  };
151 
152 }}}
153 
157 
158 #endif
159 
160 // STATISTICS: int-prop
Int::Distinct::DomCtrl< View > dc
Propagation controller for propagating distinct.
Definition: circuit.hh:131
Offset o
Offset transformation.
Definition: circuit.hh:65
virtual ExecStatus propagate(Space &home, const ModEventDelta &med)
Perform propagation.
Definition: dom.hpp:71
ExecStatus path(Space &home)
Ensure path property: prune edges that could give to small cycles.
Definition: base.hpp:207
ViewArray< View > x
Array of views.
Definition: propagator.hpp:146
Val(Space &home, bool share, Val &p)
Constructor for cloning p.
virtual ExecStatus propagate(Space &home, const ModEventDelta &med)
Perform propagation.
Definition: val.hpp:68
ExecStatus connected(Space &home)
Check whether the view value graph is strongly connected.
Definition: base.hpp:72
Computation spaces.
Definition: core.hpp:1362
Base-class for both propagators and branchers.
Definition: core.hpp:666
virtual Actor * copy(Space &home, bool share)
Copy propagator during cloning.
Definition: dom.hpp:56
int p
Number of positive literals for node type.
Definition: bool-expr.cpp:236
virtual Actor * copy(Space &home, bool share)
Copy propagator during cloning.
Definition: val.hpp:56
ModEventDelta med
A set of modification events (used during propagation)
Definition: core.hpp:764
n-ary propagator
Definition: propagator.hpp:143
ViewArray< View > y
Array for performing value propagation for distinct.
Definition: circuit.hh:63
View arrays.
Definition: array.hpp:234
"Value-consistent" circuit propagator
Definition: circuit.hh:90
Converter with fixed offset.
Definition: view.hpp:617
static ExecStatus post(Home home, ViewArray< View > &x, Offset &o)
Post propagator for circuit on x.
Definition: val.hpp:84
static ExecStatus post(Home home, ViewArray< View > &x, Offset &o)
Post propagator for circuit on x.
Definition: dom.hpp:107
Base(Space &home, bool share, Base &p)
Constructor for cloning p.
Propagation cost.
Definition: core.hpp:537
ExecStatus
Definition: core.hpp:523
virtual PropCost cost(const Space &home, const ModEventDelta &med) const
Cost function.
Definition: dom.hpp:62
Dom(Space &home, bool share, Dom &p)
Constructor for cloning p.
virtual PropCost cost(const Space &home, const ModEventDelta &med) const
Cost function (returns high linear)
Definition: val.hpp:62
Gecode toplevel namespace
int ModEventDelta
Modification event deltas.
Definition: core.hpp:173
Home class for posting propagators
Definition: core.hpp:717
Base-class for circuit propagator.
Definition: circuit.hh:59
"Domain consistent" circuit propagator
Definition: circuit.hh:123
virtual size_t dispose(Space &home)
Delete propagator and return its size.
Definition: base.hpp:261
Propagation controller for domain consistent distinct.
Definition: distinct.hh:218