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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 LDSBSetBrancher : public LDSBBrancher<View,n,Val,a> {
62  public:
64  typedef void (*VarValPrint)(const Space& home, const Brancher& b,
65  unsigned int alt,
66  typename View::VarType x, int i,
67  const Val& m,
68  std::ostream& o);
70  int _prevPos;
90  bool _stable;
91 
93  LDSBSetBrancher(Space& home, bool share, LDSBSetBrancher& b);
95  LDSBSetBrancher(Home home,
96  ViewArray<View>& x,
97  ViewSel<View>* vs[n],
99  SymmetryImp<View>** syms, int nsyms,
100  SetBranchFilter bf,
101  VarValPrint vvp);
103  virtual const Choice* choice(Space& home);
105  virtual ExecStatus commit(Space& home, const Choice& c, unsigned int b);
107  virtual Actor* copy(Space& home, bool share);
109  static void post(Home home,
110  ViewArray<View>& x,
111  ViewSel<View>* vs[n],
113  SymmetryImp<View>** _syms,
114  int _nsyms,
115  SetBranchFilter bf,
116  VarValPrint vvp);
117 
126  void updatePart1(Space& home, int choicePos);
127  };
128 
129 }}}
130 
131 namespace Gecode { namespace Int { namespace LDSB {
132  template <>
136 }}}
137 
139 
140 #endif
141 
142 // STATISTICS: set-branch
Symmetry-breaking brancher with generic view and value selection.
Definition: ldsb.hh:61
NNF * l
Left subtree.
Definition: bool-expr.cpp:244
A Literal is a pair of variable index and value.
Definition: ldsb.hh:50
Computation spaces.
Definition: core.hpp:1672
Base-class for both propagators and branchers.
Definition: core.hpp:682
ValueSymmetryImp< View > ** _copiedSyms
Copy of value symmetries from the first node where the current variable was branched on...
Definition: ldsb.hh:77
Gecode::FloatVal c(-8, 8)
int _nValueSymmetries
Number of value symmetries.
Definition: ldsb.hh:74
Gecode::IntArgs i(4, 1, 2, 3, 4)
Base-class for branchers.
Definition: core.hpp:1364
int n
Number of negative literals for node type.
Definition: bool-expr.cpp:238
Argument array for non-primitive types.
Definition: array.hpp:727
Implementation of a value symmetry.
Definition: ldsb.hh:207
int _nCopiedSyms
Number of copied symmetries.
Definition: ldsb.hh:79
Symmetry-breaking brancher with generic view and value selection.
Definition: ldsb.hh:337
Integer sets.
Definition: int.hh:172
View arrays.
Definition: array.hpp:234
int _nNonValueSymmetries
Number of non-value symmetries.
Definition: ldsb.hh:72
Implementation of a single symmetry.
Definition: ldsb.hh:166
Node * x
Pointer to corresponding Boolean expression node.
Definition: bool-expr.cpp:253
Choice for performing commit
Definition: core.hpp:1332
ExecStatus
Definition: core.hpp:536
bool(* SetBranchFilter)(const Space &home, SetVar x, int i)
Branch filter function type for set variables.
Definition: set.hh:1101
int _prevPos
Position of previous variable that was branched on.
Definition: ldsb.hh:70
virtual ArgArray< Literal > symmetric(Literal, const ViewArray< View > &) const
Compute symmetric literals.
Definition: sym-imp.hpp:235
IntSet _leftBranchValues
Set of values used on left branches for the current variable.
Definition: ldsb.hh:81
Gecode toplevel namespace
struct Gecode::@554::NNF::@60::@61 b
For binary nodes (and, or, eqv)
Home class for posting propagators
Definition: core.hpp:905
bool _stable
Is the state of the brancher "stable"?
Definition: ldsb.hh:90
TFE post(PropagatorGroup g)
Only post functions (but not propagators) from g are considered.