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circuit.hh
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33
34#ifndef __GECODE_INT_CIRCUIT_HH__
35#define __GECODE_INT_CIRCUIT_HH__
36
37#include <gecode/int.hh>
39
44
45namespace Gecode { namespace Int { namespace Circuit {
46
54 template<class View, class Offset>
55 class Base : public NaryPropagator<View,Int::PC_INT_DOM> {
56 protected:
59 int start;
65 Base(Space& home, Base& p);
71 ExecStatus path(Space& home);
72 public:
74 virtual size_t dispose(Space& home);
75 };
76
87 template<class View, class Offset>
88 class Val : public Base<View,Offset> {
89 protected:
90 using Base<View,Offset>::x;
91 using Base<View,Offset>::y;
93 using Base<View,Offset>::path;
94 using Base<View,Offset>::o;
96 Val(Space& home, Val& p);
98 Val(Home home, ViewArray<View>& x, Offset& o);
99 public:
101 virtual Actor* copy(Space& home);
103 virtual PropCost cost(const Space& home, const ModEventDelta& med) const;
105 virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
107 static ExecStatus post(Home home, ViewArray<View>& x, Offset& o);
108 };
109
120 template<class View, class Offset>
121 class Dom : public Base<View,Offset> {
122 protected:
123 using Base<View,Offset>::x;
124 using Base<View,Offset>::y;
126 using Base<View,Offset>::path;
127 using Base<View,Offset>::o;
131 Dom(Space& home, Dom& p);
133 Dom(Home home, ViewArray<View>& x, Offset& o);
134 public:
136 virtual Actor* copy(Space& home);
143 virtual PropCost cost(const Space& home, const ModEventDelta& med) const;
145 virtual void reschedule(Space& home);
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
Home class for posting propagators
Definition core.hpp:856
ExecStatus connected(Space &home)
Check whether the view value graph is strongly connected.
Definition base.hpp:69
ViewArray< View > y
Array for performing value propagation for distinct.
Definition circuit.hh:61
Offset o
Offset transformation.
Definition circuit.hh:63
virtual size_t dispose(Space &home)
Delete propagator and return its size.
Definition base.hpp:290
int start
Remember where to start the next time the propagator runs.
Definition circuit.hh:59
ExecStatus path(Space &home)
Ensure path property: prune edges that could give too small cycles.
Definition base.hpp:236
Base(Space &home, Base &p)
Constructor for cloning p.
Dom(Space &home, Dom &p)
Constructor for cloning p.
static ExecStatus post(Home home, ViewArray< View > &x, Offset &o)
Post propagator for circuit on x.
Definition dom.hpp:114
virtual PropCost cost(const Space &home, const ModEventDelta &med) const
Cost function.
Definition dom.hpp:58
Int::Distinct::DomCtrl< View > dc
Propagation controller for propagating distinct.
Definition circuit.hh:129
virtual void reschedule(Space &home)
Schedule function.
Definition dom.hpp:67
virtual Actor * copy(Space &home)
Copy propagator during cloning.
Definition dom.hpp:52
virtual ExecStatus propagate(Space &home, const ModEventDelta &med)
Perform propagation.
Definition dom.hpp:78
static ExecStatus post(Home home, ViewArray< View > &x, Offset &o)
Post propagator for circuit on x.
Definition val.hpp:80
virtual Actor * copy(Space &home)
Copy propagator during cloning.
Definition val.hpp:52
virtual ExecStatus propagate(Space &home, const ModEventDelta &med)
Perform propagation.
Definition val.hpp:64
virtual PropCost cost(const Space &home, const ModEventDelta &med) const
Cost function (returns high linear)
Definition val.hpp:58
Val(Space &home, Val &p)
Constructor for cloning p.
Propagation controller for domain consistent distinct.
Definition distinct.hh:250
Converter with fixed offset.
Definition view.hpp:650
NaryPropagator(Space &home, NaryPropagator &p)
Propagation cost.
Definition core.hpp:486
friend class Space
Definition core.hpp:1068
ModEventDelta med
A set of modification events (used during propagation)
Definition core.hpp:1077
View arrays.
Definition array.hpp:253
int ModEventDelta
Modification event deltas.
Definition core.hpp:89
Circuit propagators
Finite domain integers.
const Gecode::PropCond PC_INT_DOM
Propagate when domain changes.
Definition var-type.hpp:100
Gecode toplevel namespace
ExecStatus
Definition core.hpp:472