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sequence.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>
6  *
7  * Contributing authors:
8  * Gabor Szokoli <szokoli@gecode.org>
9  *
10  * Copyright:
11  * Guido Tack, 2004
12  * Christian Schulte, 2004
13  * Gabor Szokoli, 2004
14  *
15  * This file is part of Gecode, the generic constraint
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17  * http://www.gecode.org
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39 
40 #ifndef __GECODE_SET_SEQUENCE_HH__
41 #define __GECODE_SET_SEQUENCE_HH__
42 
43 #include <gecode/set.hh>
44 
45 namespace Gecode { namespace Set { namespace Sequence {
46 
59  class Seq : public NaryPropagator<SetView, PC_SET_ANY> {
60  protected:
62  Seq(Space& home, Seq& p);
64  Seq(Home home, ViewArray<SetView>&);
65  public:
67  GECODE_SET_EXPORT virtual Actor* copy(Space& home);
72  };
73 
81  class SeqU : public NaryOnePropagator<SetView,PC_SET_ANY> {
82  protected:
83  GLBndSet unionOfDets; //Union of determined variables dropped form x.
85  SeqU(Space& home, SeqU& p);
88  ExecStatus propagateSeqUnion(Space& home,
89  bool& modified, ViewArray<SetView>& x,
90  SetView& y);
91  public:
93  GECODE_SET_EXPORT virtual Actor* copy(Space& home);
98  };
99 
100 
101 }}}
102 
103 #include <gecode/set/rel.hh>
108 
109 #endif
110 
111 // STATISTICS: set-prop
static ExecStatus post(Home home, ViewArray< SetView >)
Post propagator .
Definition: seq.hpp:56
Seq(Space &home, Seq &p)
Constructor for cloning p.
Definition: seq.hpp:52
virtual Actor * copy(Space &home)
Copy propagator during cloning.
Definition: seq.cpp:50
ViewArray< SetView > x
Array of views.
Definition: pattern.hpp:145
Computation spaces.
Definition: core.hpp:1701
Base-class for both propagators and branchers.
Definition: core.hpp:627
int p
Number of positive literals for node type.
Definition: bool-expr.cpp:232
ModEventDelta med
A set of modification events (used during propagation)
Definition: core.hpp:1034
n-ary propagator
Definition: pattern.hpp:142
(n+1)-ary propagator
Definition: pattern.hpp:172
Propagator for the sequence constraint
Definition: sequence.hh:59
Set view for set variables
Definition: view.hpp:56
Post propagator for SetVar SetOpType SetVar y
Definition: set.hh:767
ExecStatus
Definition: core.hpp:471
Growing sets of integers.
Definition: var-imp.hpp:205
virtual ExecStatus propagate(Space &home, const ModEventDelta &med)
Perform propagation.
Definition: seq.cpp:55
Gecode toplevel namespace
int ModEventDelta
Modification event deltas.
Definition: core.hpp:89
Propagator for the sequenced union constraint
Definition: sequence.hh:81
Home class for posting propagators
Definition: core.hpp:853
#define GECODE_SET_EXPORT
Definition: set.hh:67