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ldsb.hh
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37 
38 #ifndef __GECODE_SET_LDSB_HH__
39 #define __GECODE_SET_LDSB_HH__
40 
41 #include <gecode/set.hh>
42 #include <gecode/int/ldsb.hh>
43 
48 namespace Gecode { namespace Set { namespace LDSB {
49 
50  using namespace Int::LDSB;
51 
60  template<class View, int n, class Val, unsigned int a,
61  class Filter, class Print>
62  class LDSBSetBrancher : public LDSBBrancher<View,n,Val,a,Filter,Print> {
63  public:
66  int _prevPos;
86  bool _stable;
87 
89  LDSBSetBrancher(Space& home, bool share, LDSBSetBrancher& b);
91  LDSBSetBrancher(Home home,
93  ViewSel<View>* vs[n],
95  SymmetryImp<View>** syms, int nsyms,
99  virtual const Choice* choice(Space& home);
101  virtual ExecStatus commit(Space& home, const Choice& c, unsigned int b);
103  virtual Actor* copy(Space& home, bool share);
105  static void post(Home home,
107  ViewSel<View>* vs[n],
109  SymmetryImp<View>** _syms,
110  int _nsyms,
113 
115  template<class View0, int n0, class Val0, unsigned int a0>
116  void postldsbsetbrancher(Home home,
118  ViewSel<View0>* vs[n0],
120  SymmetryImp<View0>** syms, int nsyms,
123 
132  void updatePart1(Space& home, int choicePos);
133  };
134 
135 }}}
136 
137 namespace Gecode { namespace Int { namespace LDSB {
138 
139  template <>
143 
144 }}}
145 
147 
148 #endif
149 
150 // STATISTICS: set-branch
int _nValueSymmetries
Number of value symmetries.
Definition: ldsb.hh:70
int _nNonValueSymmetries
Number of non-value symmetries.
Definition: ldsb.hh:68
Symmetry-breaking brancher with generic view and value selection.
Definition: ldsb.hh:62
NNF * l
Left subtree.
Definition: bool-expr.cpp:244
A Literal is a pair of variable index and value.
Definition: ldsb.hh:50
std::function< void(const Space &home, const Brancher &b, unsigned int a, Var x, int i, const Val &m, std::ostream &o)> VarValPrint
Function type for printing variable and value selection.
int _prevPos
Position of previous variable that was branched on.
Definition: ldsb.hh:66
Computation spaces.
Definition: core.hpp:1748
Base-class for both propagators and branchers.
Definition: core.hpp:696
IntSet _leftBranchValues
Set of values used on left branches for the current variable.
Definition: ldsb.hh:77
struct Gecode::@579::NNF::@61::@63 a
For atomic nodes.
Gecode::FloatVal c(-8, 8)
int n
Number of negative literals for node type.
Definition: bool-expr.cpp:238
Argument array for non-primitive types.
Definition: array.hpp:727
bool _stable
Is the state of the brancher "stable"?
Definition: ldsb.hh:86
Implementation of a value symmetry.
Definition: ldsb.hh:207
std::function< bool(const Space &home, Var x, int i)> BranchFilter
Function type for branch filter functions.
struct Gecode::@579::NNF::@61::@62 b
For binary nodes (and, or, eqv)
int _nCopiedSyms
Number of copied symmetries.
Definition: ldsb.hh:75
Symmetry-breaking brancher with generic view and value selection.
Definition: ldsb.hh:338
Integer sets.
Definition: int.hh:174
View arrays.
Definition: array.hpp:234
void postldsbsetbrancher(Home home, ViewArray< View > &x, ViewSel< View > *vs[n], ValSelCommitBase< View, Val > *vsc, SymmetryImp< View > **syms, int nsyms, BranchFilter< typename View::VarType > bf, VarValPrint< typename View::VarType, Val > vvp)
Definition: brancher.hpp:271
Implementation of a single symmetry.
Definition: ldsb.hh:166
Choice for performing commit
Definition: core.hpp:1414
ExecStatus
Definition: core.hpp:540
ValueSymmetryImp< View > ** _copiedSyms
Copy of value symmetries from the first node where the current variable was branched on...
Definition: ldsb.hh:73
virtual ArgArray< Literal > symmetric(Literal, const ViewArray< View > &) const
Compute symmetric literals.
Definition: sym-imp.hpp:235
Post propagator for SetVar x
Definition: set.hh:784
Gecode toplevel namespace
Home class for posting propagators
Definition: core.hpp:922
TFE post(PropagatorGroup g)
Only post functions (but not propagators) from g are considered.