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order.hh
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4  * Christian Schulte <schulte@gecode.org>
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7  * Christian Schulte, 2019
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33 
34 #ifndef __GECODE_INT_ORDER_HH__
35 #define __GECODE_INT_ORDER_HH__
36 
37 #include <gecode/int.hh>
38 
45 namespace Gecode { namespace Int { namespace Order {
46 
53  class OrderProp : public Propagator {
54  protected:
60  int p0, p1;
62  OrderProp(Space& home, OrderProp& p);
64  OrderProp(Home home, IntView s0, int p0, IntView s1, int p1,
65  BoolView b);
66  public:
69  virtual Actor* copy(Space& home);
72  virtual PropCost cost(const Space& home, const ModEventDelta& med) const;
75  virtual void reschedule(Space& home);
78  virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
80  static ExecStatus post(Home home, IntView s0, int p0, IntView s1, int p1,
81  BoolView b);
84  virtual size_t dispose(Space& home);
85  };
86 
87 }}}
88 
90 
91 #endif
92 
93 // STATISTICS: int-prop
Scheduling propagator for ordering two tasks
Definition: order.hh:53
virtual void reschedule(Space &home)
Schedule function.
Definition: propagate.cpp:49
static ExecStatus post(Home home, IntView s0, int p0, IntView s1, int p1, BoolView b)
Post order propagator.
Definition: propagate.hpp:48
virtual PropCost cost(const Space &home, const ModEventDelta &med) const
Cost function (defined as low binary)
Definition: propagate.cpp:44
Computation spaces.
Definition: core.hpp:1742
Base-class for both propagators and branchers.
Definition: core.hpp:628
int p0
Processing times.
Definition: order.hh:60
Boolean view for Boolean variables.
Definition: view.hpp:1380
Gecode toplevel namespace
Base-class for propagators.
Definition: core.hpp:1064
IntView s0
View for start times.
Definition: order.hh:56
#define GECODE_INT_EXPORT
Definition: int.hh:81
int p1
Definition: order.hh:60
Home class for posting propagators
Definition: core.hpp:856
IntView s1
Definition: order.hh:56
virtual Actor * copy(Space &home)
Copy propagator during cloning.
Definition: propagate.cpp:39
ModEventDelta med
A set of modification events (used during propagation)
Definition: core.hpp:1075
Propagation cost.
Definition: core.hpp:486
BoolView b
Boolean view for order.
Definition: order.hh:58
Integer view for integer variables.
Definition: view.hpp:129
virtual size_t dispose(Space &home)
Delete propagator and return its size.
Definition: propagate.cpp:76
virtual ExecStatus propagate(Space &home, const ModEventDelta &med)
Perform propagation.
Definition: propagate.cpp:56
int ModEventDelta
Modification event deltas.
Definition: core.hpp:89
OrderProp(Space &home, OrderProp &p)
Constructor for cloning.
Definition: propagate.hpp:67
int p
Number of positive literals for node type.
Definition: bool-expr.cpp:232
ExecStatus
Definition: core.hpp:472