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prop.hpp

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00001 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
00002 /*
00003  *  Main authors:
00004  *     Christian Schulte <schulte@gecode.org>
00005  *
00006  *  Copyright:
00007  *     Christian Schulte, 2009
00008  *
00009  *  This file is part of Gecode, the generic constraint
00010  *  development environment:
00011  *     http://www.gecode.org
00012  *
00013  *  Permission is hereby granted, free of charge, to any person obtaining
00014  *  a copy of this software and associated documentation files (the
00015  *  "Software"), to deal in the Software without restriction, including
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00018  *  permit persons to whom the Software is furnished to do so, subject to
00019  *  the following conditions:
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00021  *  The above copyright notice and this permission notice shall be
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00024  *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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00033 
00034 namespace Gecode { namespace Int {
00035 
00036   template<class Task, class PL>
00037   forceinline
00038   TaskProp<Task,PL>::TaskProp(Home home, TaskArray<Task>& t0)
00039     : Propagator(home), t(t0) {
00040     t.subscribe(home,*this,PL::pc);
00041   }
00042 
00043   template<class Task, class PL>
00044   forceinline
00045   TaskProp<Task,PL>::TaskProp(Space& home, TaskProp<Task,PL>& p)
00046     : Propagator(home,p) {
00047     t.update(home,p.t);
00048   }
00049 
00050   template<class Task, class PL>
00051   PropCost
00052   TaskProp<Task,PL>::cost(const Space&, const ModEventDelta&) const {
00053     return PropCost::linear(PropCost::HI,t.size());
00054   }
00055 
00056   template<class Task, class PL>
00057   void
00058   TaskProp<Task,PL>::reschedule(Space& home) {
00059     t.reschedule(home,*this,PL::pc);
00060   }
00061 
00062   template<class Task, class PL>
00063   forceinline size_t
00064   TaskProp<Task,PL>::dispose(Space& home) {
00065     t.cancel(home,*this,PL::pc);
00066     (void) Propagator::dispose(home);
00067     return sizeof(*this);
00068   }
00069 
00070 }}
00071 
00072 // STATISTICS: int-prop