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base.hpp
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37 
38 namespace Gecode { namespace Int { namespace Channel {
39 
40  template<class Info, class Offset, PropCond pc>
42  Base<Info,Offset,pc>::Base(Home home, int n0, Info* xy0,
43  Offset& ox0, Offset& oy0)
44  : Propagator(home), n(n0), n_na(2*n), ox(ox0), oy(oy0), xy(xy0) {
45  for (int i=2*n; i--; )
46  xy[i].view.subscribe(home,*this,pc);
47  }
48 
49  template<class Info, class Offset, PropCond pc>
52  : Propagator(home,share,p), n(p.n), n_na(p.n_na),
53  xy(home.alloc<Info>(2*n)) {
54  ox.update(p.ox);
55  oy.update(p.oy);
56  for (int i=2*n; i--; )
57  xy[i].update(home,share,p.xy[i]);
58  }
59 
60  template<class Info, class Offset, PropCond pc>
61  PropCost
64  }
65 
66  template<class Info, class Offset, PropCond pc>
67  forceinline size_t
69  for (int i=2*n; i--; )
70  xy[i].view.cancel(home,*this,pc);
71  (void) Propagator::dispose(home);
72  return sizeof(*this);
73  }
74 
75 }}}
76 
77 // STATISTICS: int-prop
78 
static PropCost quadratic(PropCost::Mod m, unsigned int n)
Quadratic complexity for modifier m and size measure n.
Definition: core.hpp:4032
Offset ox
Offset transformation for x variables.
Definition: channel.hh:66
Base-class for propagators.
Definition: core.hpp:755
Info * xy
View and information for both x and y.
Definition: channel.hh:70
Offset oy
Offset transformation for y variables.
Definition: channel.hh:68
virtual PropCost cost(const Space &home, const ModEventDelta &med) const
Propagation cost (defined as low quadratic)
Definition: base.hpp:62
Computation spaces.
Definition: core.hpp:1362
int p
Number of positive literals for node type.
Definition: bool-expr.cpp:236
Gecode::IntArgs i(4, 1, 2, 3, 4)
int n
Number of negative literals for node type.
Definition: bool-expr.cpp:238
int n
Number of views (actually twice as many for both x and y)
Definition: channel.hh:62
void update(const Offset &o)
Update during cloning.
Definition: view.hpp:637
Converter with fixed offset.
Definition: view.hpp:617
Base-class for channel propagators.
Definition: channel.hh:59
virtual size_t dispose(Space &home)
Delete actor and return its size.
Definition: core.hpp:2877
Propagation cost.
Definition: core.hpp:537
virtual size_t dispose(Space &home)
Delete propagator and return its size.
Definition: base.hpp:68
#define forceinline
Definition: config.hpp:132
Base(Space &home, bool share, Base< Info, Offset, pc > &p)
Constructor for cloning p.
Definition: base.hpp:51
Gecode toplevel namespace
int ModEventDelta
Modification event deltas.
Definition: core.hpp:173
Home class for posting propagators
Definition: core.hpp:717