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cumulatives.hh
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7  * Mikael Lagerkvist, 2005
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37 
38 #ifndef __GECODE_INT_CUMULATIVES_HH__
39 #define __GECODE_INT_CUMULATIVES_HH__
40 
41 #include <gecode/int.hh>
42 
43 namespace Gecode { namespace Int { namespace Cumulatives {
44 
89  template<class ViewM, class ViewP, class ViewU, class View>
90  class Val : public Propagator {
91  protected:
98  const bool at_most;
99 
100  Val(Space& home, bool share, Val<ViewM, ViewP, ViewU, View>& p);
101  Val(Home home, const ViewArray<ViewM>&, const ViewArray<View>&,
102  const ViewArray<ViewP>&, const ViewArray<View>&,
103  const ViewArray<ViewU>&, const SharedArray<int>&, bool);
104 
105  ExecStatus prune(Space& home, int low, int up, int r,
106  int ntask, int su,
107  int* contribution,
108  int* prune_tasks, int& prune_tasks_size);
109  public:
111  virtual Actor* copy(Space& home, bool share);
113  virtual PropCost cost(const Space& home, const ModEventDelta& med) const;
115  virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
117  static ExecStatus post(Home home, const ViewArray<ViewM>&,
118  const ViewArray<View>&, const ViewArray<ViewP>&,
119  const ViewArray<View>&, const ViewArray<ViewU>&,
120  const SharedArray<int>&, bool);
122  virtual size_t dispose(Space& home);
123  };
124 
125 
126 }}}
127 
129 
130 #endif
131 
132 // STATISTICS: int-prop
133 
ExecStatus prune(Space &home, int low, int up, int r, int ntask, int su, int *contribution, int *prune_tasks, int &prune_tasks_size)
Definition: val.hpp:163
Base-class for propagators.
Definition: core.hpp:755
static ExecStatus post(Home home, const ViewArray< ViewM > &, const ViewArray< View > &, const ViewArray< ViewP > &, const ViewArray< View > &, const ViewArray< ViewU > &, const SharedArray< int > &, bool)
Post propagator.
Definition: val.hpp:73
Computation spaces.
Definition: core.hpp:1362
Base-class for both propagators and branchers.
Definition: core.hpp:666
virtual PropCost cost(const Space &home, const ModEventDelta &med) const
Cost function (defined as low quadratic)
Definition: val.hpp:112
NNF * r
Right subtree.
Definition: bool-expr.cpp:246
ModEventDelta med
A set of modification events (used during propagation)
Definition: core.hpp:764
virtual size_t dispose(Space &home)
Dispose propagator.
Definition: val.hpp:96
virtual ExecStatus propagate(Space &home, const ModEventDelta &med)
Perform propagation.
Definition: val.hpp:266
Val(Space &home, bool share, Val< ViewM, ViewP, ViewU, View > &p)
Definition: val.hpp:83
Propagator for the cumulatives constraint
Definition: cumulatives.hh:90
Propagation cost.
Definition: core.hpp:537
ExecStatus
Definition: core.hpp:523
Gecode toplevel namespace
int ModEventDelta
Modification event deltas.
Definition: core.hpp:173
Home class for posting propagators
Definition: core.hpp:717
virtual Actor * copy(Space &home, bool share)
Create copy during cloning.
Definition: val.hpp:118