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int-base.hpp
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33 
34 namespace Gecode { namespace Int { namespace Count {
35 
36  template<class VX, class VY>
39  ViewArray<VX>& x0, int n_s0, VY y0, int c0)
40  : Propagator(home), x(x0), n_s(n_s0), y(y0), c(c0) {
41  if (isintset(y))
42  home.notice(*this,AP_DISPOSE);
43  for (int i=0; i<n_s; i++)
44  x[i].subscribe(home,*this,PC_INT_DOM);
45  subscribe(home,*this,y);
46  }
47 
48  template<class VX, class VY>
49  forceinline size_t
51  if (isintset(y))
52  home.ignore(*this,AP_DISPOSE);
53  for (int i=0; i<n_s; i++)
54  x[i].cancel(home,*this,PC_INT_DOM);
55  cancel(home,*this,y);
56  (void) Propagator::dispose(home);
57  return sizeof(*this);
58  }
59 
60  template<class VX, class VY>
63  : Propagator(home,p), n_s(p.n_s), c(p.c) {
64  x.update(home,p.x);
65  update(y,home,p.y);
66  }
67 
68  template<class VX, class VY>
69  PropCost
70  IntBase<VX,VY>::cost(const Space&, const ModEventDelta&) const {
71  return PropCost::linear(PropCost::LO,x.size());
72  }
73 
74  template<class VX, class VY>
75  void
77  for (int i=0; i<n_s; i++)
78  x[i].reschedule(home,*this,PC_INT_DOM);
80  }
81 
82 }}}
83 
84 // STATISTICS: int-prop
void notice(Actor &a, ActorProperty p, bool duplicate=false)
Notice actor property.
Definition: core.hpp:3219
Post propagator for SetVar x
Definition: set.hh:767
IntBase(Space &home, IntBase &p)
Constructor for cloning p.
Definition: int-base.hpp:62
Post propagator for SetVar SetOpType SetVar y
Definition: set.hh:767
virtual size_t dispose(Space &home)
Delete propagator and return its size.
Definition: int-base.hpp:50
Cheap.
Definition: core.hpp:513
VY y
View to compare to.
Definition: count.hh:145
Computation spaces.
Definition: core.hpp:1742
static PropCost linear(PropCost::Mod m, unsigned int n)
Linear complexity for modifier pcm and size measure n.
Definition: core.hpp:4796
Gecode toplevel namespace
Base-class for propagators.
Definition: core.hpp:1064
bool isintset(VY y)
Return whether y is an integer set.
Definition: rel.hpp:45
Baseclass for count propagators (integer)
Definition: count.hh:138
void update(IntSet &y, Space &home, IntSet &py)
Definition: rel.hpp:103
void update(Space &home, ViewArray< View > &a)
Update array to be a clone of array a.
Definition: array.hpp:1328
void reschedule(Space &home, Propagator &p, IntSet &y)
Definition: rel.hpp:92
Home class for posting propagators
Definition: core.hpp:856
Actor must always be disposed.
Definition: core.hpp:562
ViewArray< VX > x
Views still to count.
Definition: count.hh:141
Propagation cost.
Definition: core.hpp:486
void cancel(Space &home, Propagator &p, IntSet &y)
Definition: rel.hpp:81
virtual void reschedule(Space &home)
Schedule function.
Definition: int-base.hpp:76
virtual PropCost cost(const Space &home, const ModEventDelta &med) const
Cost function (defined as low linear)
Definition: int-base.hpp:70
#define forceinline
Definition: config.hpp:185
void ignore(Actor &a, ActorProperty p, bool duplicate=false)
Ignore actor property.
Definition: core.hpp:4074
virtual size_t dispose(Space &home)
Delete actor and return its size.
Definition: core.hpp:3252
Gecode::FloatVal c(-8, 8)
void subscribe(Space &home, Propagator &p, IntSet &y)
Definition: rel.hpp:71
const Gecode::PropCond PC_INT_DOM
Propagate when domain changes.
Definition: var-type.hpp:100
int ModEventDelta
Modification event deltas.
Definition: core.hpp:89
Gecode::IntArgs i({1, 2, 3, 4})
int n_s
Views from x[0] ... x[n_s-1] have subscriptions.
Definition: count.hh:143
int p
Number of positive literals for node type.
Definition: bool-expr.cpp:232