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namespace Gecode { namespace Int {
/** * \defgroup TaskPropRePat Reified propagator patterns * * \ingroup TaskActor */
//@{ /** * \brief Reified unary propagator * * Stores single view of type \a View with propagation condition \a pc * and a Boolean control view of type \a CtrlView. * * If the propagation condition \a pc has the value PC_GEN_NONE, no * subscriptions are created for \a View. * */ template<class View, PropCond pc, class CtrlView> class ReUnaryPropagator : public Propagator { protected: /// Single view View x0; /// Boolean control view CtrlView b; /// Constructor for cloning \a p ReUnaryPropagator(Space& home, ReUnaryPropagator& p); /// Constructor for rewriting \a p during cloning ReUnaryPropagator(Space& home, Propagator& p, View x0, CtrlView b); /// Constructor for creation ReUnaryPropagator(Home home, View x0, CtrlView b); public: /// Cost function (defined as low unary) virtual PropCost cost(const Space& home, const ModEventDelta& med) const; /// Schedule function virtual void reschedule(Space& home); /// Delete propagator and return its size virtual size_t dispose(Space& home); };
/** * \brief Reified binary propagator * * Stores two views of type \a View with propagation condition \a pc * and a Boolean control view of type \a CtrlView. * * If the propagation condition \a pc has the value PC_GEN_NONE, no * subscriptions are created for \a View. * */ template<class View, PropCond pc, class CtrlView> class ReBinaryPropagator : public Propagator { protected: /// Two views View x0, x1; /// Boolean control view CtrlView b; /// Constructor for cloning \a p ReBinaryPropagator(Space& home, ReBinaryPropagator& p); /// Constructor for rewriting \a p during cloning ReBinaryPropagator(Space& home, Propagator& p, View x0, View x1, CtrlView b); /// Constructor for creation ReBinaryPropagator(Home home, View x0, View x1, CtrlView b); public: /// Cost function (defined as low binary) virtual PropCost cost(const Space& home, const ModEventDelta& med) const; /// Schedule function virtual void reschedule(Space& home); /// Delete propagator and return its size virtual size_t dispose(Space& home); }; //@}
/** * \brief Reified mixed binary propagator * * Stores two views of type \a View0 and \a View1 with propagation * conditions \a pc0 and \a pc1 and a Boolean control view of type * \a CtrlView. * * If the propagation conditions \a pc0 or \a pc1 have the values * PC_GEN_NONE, no subscriptions are created. * */ template<class View0, PropCond pc0, class View1, PropCond pc1, class CtrlView> class ReMixBinaryPropagator : public Propagator { protected: /// View of type \a View0 View0 x0; /// View of type \a View1 View1 x1; /// Boolean control view CtrlView b; /// Constructor for cloning \a p ReMixBinaryPropagator(Space& home, ReMixBinaryPropagator& p); /// Constructor for creation ReMixBinaryPropagator(Home home, View0 x0, View1 x1, CtrlView b); /// Constructor for rewriting \a p during cloning ReMixBinaryPropagator(Space& home, Propagator& p, View0 x0, View1 x1, CtrlView b); public: /// Cost function (defined as low binary) virtual PropCost cost(const Space& home, const ModEventDelta& med) const; /// Schedule function virtual void reschedule(Space& home); /// Delete propagator and return its size virtual size_t dispose(Space& home); };
/* * Reified unary propagators * */ template<class View, PropCond pc, class CtrlView> ReUnaryPropagator<View,pc,CtrlView>::ReUnaryPropagator (Home home, View y0, CtrlView b0) : Propagator(home), x0(y0), b(b0) { if (pc != PC_GEN_NONE) x0.subscribe(home,*this,pc); b.subscribe(home,*this,Int::PC_INT_VAL); }
template<class View, PropCond pc, class CtrlView> forceinline ReUnaryPropagator<View,pc,CtrlView>::ReUnaryPropagator (Space& home, ReUnaryPropagator<View,pc,CtrlView>& p) : Propagator(home,p) { x0.update(home,p.x0); b.update(home,p.b); }
template<class View, PropCond pc, class CtrlView> forceinline ReUnaryPropagator<View,pc,CtrlView>::ReUnaryPropagator (Space& home, Propagator& p, View y0, CtrlView b0) : Propagator(home,p) { x0.update(home,y0); b.update(home,b0); }
template<class View, PropCond pc, class CtrlView> PropCost ReUnaryPropagator<View,pc,CtrlView>::cost(const Space&, const ModEventDelta&) const { return PropCost::unary(PropCost::LO); }
template<class View, PropCond pc, class CtrlView> void ReUnaryPropagator<View,pc,CtrlView>::reschedule(Space& home) { if (pc != PC_GEN_NONE) x0.reschedule(home,*this,pc); b.reschedule(home,*this,Int::PC_INT_VAL); }
template<class View, PropCond pc, class CtrlView> forceinline size_t ReUnaryPropagator<View,pc,CtrlView>::dispose(Space& home) { if (pc != PC_GEN_NONE) x0.cancel(home,*this,pc); b.cancel(home,*this,Int::PC_INT_VAL); (void) Propagator::dispose(home); return sizeof(*this); }
/* * Reified binary propagators * */ template<class View, PropCond pc, class CtrlView> ReBinaryPropagator<View,pc,CtrlView>::ReBinaryPropagator (Home home, View y0, View y1, CtrlView b1) : Propagator(home), x0(y0), x1(y1), b(b1) { if (pc != PC_GEN_NONE) { x0.subscribe(home,*this,pc); x1.subscribe(home,*this,pc); } b.subscribe(home,*this,Int::PC_INT_VAL); }
template<class View, PropCond pc, class CtrlView> forceinline ReBinaryPropagator<View,pc,CtrlView>::ReBinaryPropagator (Space& home, ReBinaryPropagator<View,pc,CtrlView>& p) : Propagator(home,p) { x0.update(home,p.x0); x1.update(home,p.x1); b.update(home,p.b); }
template<class View, PropCond pc, class CtrlView> forceinline ReBinaryPropagator<View,pc,CtrlView>::ReBinaryPropagator (Space& home, Propagator& p, View y0, View y1, CtrlView b0) : Propagator(home,p) { x0.update(home,y0); x1.update(home,y1); b.update(home,b0); }
template<class View, PropCond pc, class CtrlView> PropCost ReBinaryPropagator<View,pc,CtrlView>::cost(const Space&, const ModEventDelta&) const { return PropCost::binary(PropCost::LO); }
template<class View, PropCond pc, class CtrlView> void ReBinaryPropagator<View,pc,CtrlView>::reschedule(Space& home) { if (pc != PC_GEN_NONE) { x0.reschedule(home,*this,pc); x1.reschedule(home,*this,pc); } b.reschedule(home,*this,Int::PC_INT_VAL); }
template<class View, PropCond pc, class CtrlView> forceinline size_t ReBinaryPropagator<View,pc,CtrlView>::dispose(Space& home) { if (pc != PC_GEN_NONE) { x0.cancel(home,*this,pc); x1.cancel(home,*this,pc); } b.cancel(home,*this,Int::PC_INT_VAL); (void) Propagator::dispose(home); return sizeof(*this); }
/* * Reified mixed binary propagator * */ template<class View0, PropCond pc0, class View1, PropCond pc1, class CtrlView> ReMixBinaryPropagator<View0,pc0,View1,pc1,CtrlView> ::ReMixBinaryPropagator(Home home, View0 y0, View1 y1, CtrlView b1) : Propagator(home), x0(y0), x1(y1), b(b1) { if (pc0 != PC_GEN_NONE) x0.subscribe(home,*this,pc0); if (pc1 != PC_GEN_NONE) x1.subscribe(home,*this,pc1); b.subscribe(home,*this,Int::PC_INT_VAL); }
template<class View0, PropCond pc0, class View1, PropCond pc1, class CtrlView> forceinline ReMixBinaryPropagator<View0,pc0,View1,pc1,CtrlView>::ReMixBinaryPropagator (Space& home, ReMixBinaryPropagator<View0,pc0,View1,pc1,CtrlView>& p) : Propagator(home,p) { x0.update(home,p.x0); x1.update(home,p.x1); b.update(home,p.b); }
template<class View0, PropCond pc0, class View1, PropCond pc1, class CtrlView> forceinline ReMixBinaryPropagator<View0,pc0,View1,pc1,CtrlView> ::ReMixBinaryPropagator (Space& home, Propagator& p, View0 y0, View1 y1, CtrlView b0) : Propagator(home,p) { x0.update(home,y0); x1.update(home,y1); b.update(home,b0); }
template<class View0, PropCond pc0, class View1, PropCond pc1, class CtrlView> PropCost ReMixBinaryPropagator<View0,pc0,View1,pc1,CtrlView> ::cost(const Space&, const ModEventDelta&) const { return PropCost::binary(PropCost::LO); }
template<class View0, PropCond pc0, class View1, PropCond pc1, class CtrlView> void ReMixBinaryPropagator<View0,pc0,View1,pc1,CtrlView>::reschedule(Space& home) { if (pc0 != PC_GEN_NONE) x0.reschedule(home,*this,pc0); if (pc1 != PC_GEN_NONE) x1.reschedule(home,*this,pc1); b.reschedule(home,*this,Int::PC_INT_VAL); }
template<class View0, PropCond pc0, class View1, PropCond pc1, class CtrlView> forceinline size_t ReMixBinaryPropagator<View0,pc0,View1,pc1,CtrlView>::dispose(Space& home) { if (pc0 != PC_GEN_NONE) x0.cancel(home,*this,pc0); if (pc1 != PC_GEN_NONE) x1.cancel(home,*this,pc1); b.cancel(home,*this,Int::PC_INT_VAL); (void) Propagator::dispose(home); return sizeof(*this); }
}}
// STATISTICS: int-prop