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member.hh
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3  * Main authors:
4  * Christian Schulte <schulte@gecode.org>
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7  * Christian Schulte, 2011
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33 
34 #ifndef __GECODE_INT_MEMBER_HH__
35 #define __GECODE_INT_MEMBER_HH__
36 
37 #include <gecode/int.hh>
38 #include <gecode/int/val-set.hh>
39 
45 namespace Gecode { namespace Int { namespace Member {
46 
53  template<class View>
54  class Prop : public NaryOnePropagator<View,PC_INT_DOM> {
55  protected:
61  static void add(Space& home, ValSet& vs, ViewArray<View>& x);
63  void eliminate(Space& home);
65  Prop(Home home, ValSet& vs, ViewArray<View>& x, View y);
67  Prop(Space& home, Prop<View>& p);
68  public:
70  virtual PropCost cost(const Space&, const ModEventDelta& med) const;
72  virtual Propagator* copy(Space& home);
74  virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
76  static ExecStatus post(Home home, ViewArray<View>& x, View y);
78  static ExecStatus post(Home home, ValSet& vs, ViewArray<View>& x, View y);
80  virtual size_t dispose(Space& home);
81  };
82 
89  template<class View, ReifyMode rm>
90  class ReProp : public Prop<View> {
91  protected:
92  using Prop<View>::x;
93  using Prop<View>::y;
94  using Prop<View>::vs;
95  using Prop<View>::add;
100  ReProp(Home home, ValSet& vs, ViewArray<View>& x, View y, BoolView b);
102  ReProp(Space& home, ReProp<View,rm>& p);
103  public:
105  virtual Propagator* copy(Space& home);
107  virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
109  static ExecStatus post(Home home, ViewArray<View>& x, View y, BoolView b);
111  virtual size_t dispose(Space& home);
112  };
113 
114 }}}
115 
118 
119 #endif
120 
121 // STATISTICS: int-prop
Reified membership propagator.
Definition: member.hh:90
ViewArray< View > x
Array of views.
Definition: pattern.hpp:175
Base-class for propagators.
Definition: core.hpp:1023
Membership propagator.
Definition: member.hh:54
Computation spaces.
Definition: core.hpp:1701
virtual size_t dispose(Space &home)
Delete propagator and return its size.
Definition: prop.hpp:119
static ExecStatus post(Home home, ViewArray< View > &x, View y)
Post propagator for .
Definition: prop.hpp:71
int p
Number of positive literals for node type.
Definition: bool-expr.cpp:232
static void add(Space &home, ValSet &vs, ViewArray< View > &x)
Add values of assigned views in x to value set va.
Definition: prop.hpp:46
BoolView b
Boolean control variable.
Definition: member.hh:98
ModEventDelta med
A set of modification events (used during propagation)
Definition: core.hpp:1034
ValSet vs
Value set storing the values of already assigned views.
Definition: member.hh:59
(n+1)-ary propagator
Definition: pattern.hpp:172
virtual ExecStatus propagate(Space &home, const ModEventDelta &med)
Perform propagation.
Definition: prop.hpp:133
View arrays.
Definition: array.hpp:235
Propagation cost.
Definition: core.hpp:485
Prop(Home home, ValSet &vs, ViewArray< View > &x, View y)
Constructor for posting.
Definition: prop.hpp:40
virtual PropCost cost(const Space &, const ModEventDelta &med) const
Cost function.
Definition: prop.hpp:127
ExecStatus
Definition: core.hpp:471
Class for storing values of already assigned views.
Definition: val-set.hh:44
Gecode toplevel namespace
virtual Propagator * copy(Space &home)
Copy propagator during cloning.
Definition: prop.hpp:113
int ModEventDelta
Modification event deltas.
Definition: core.hpp:89
Home class for posting propagators
Definition: core.hpp:853
void eliminate(Space &home)
Eliminate views from x that are not equal to y or ar subsumed by vs.
Definition: prop.hpp:58
Boolean view for Boolean variables.
Definition: view.hpp:1380