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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- *//* * Main authors: * Mikael Lagerkvist <lagerkvist@gecode.org> * * Copyright: * Mikael Lagerkvist, 2005 * * This file is part of Gecode, the generic constraint * development environment: * http://www.gecode.org * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * */
#ifndef GECODE_INT_CUMULATIVES_HH#define GECODE_INT_CUMULATIVES_HH
#include <gecode/int.hh>
namespace Gecode { namespace Int { namespace Cumulatives {
/** \namespace Gecode::Int::Cumulatives * \brief %Cumulatives propagators * * This namespace contains a propagator for the * cumulatives constraint as presented in \verbatim @inproceedings{DBLP:conf/cp/BeldiceanuC02, author = {Nicolas Beldiceanu and Mats Carlsson}, title = {A New Multi-resource cumulatives Constraint with Negative Heights.}, booktitle = {CP}, year = {2002}, pages = {63-79}, ee = {http://link.springer.de/link/service/series/0558/ bibs/2470/24700063.htm}, crossref = {DBLP:conf/cp/2002}, bibsource = {DBLP, http://dblp.uni-trier.de} } @proceedings{DBLP:conf/cp/2002, editor = {Pascal Van Hentenryck}, title = {Principles and Practice of Constraint Programming - CP 2002, 8th International Conference, CP 2002, Ithaca, NY, USA, September 9-13, 2002, Proceedings}, booktitle = {CP}, publisher = {Springer}, series = {Lecture Notes in Computer Science}, volume = {2470}, year = {2002}, isbn = {3-540-44120-4}, bibsource = {DBLP, http://dblp.uni-trier.de} } \endverbatim */
/** * \brief %Propagator for the cumulatives constraint * * This class implements Beldiceanu's and Carlsson's sweep-line * propagation algorithm for the cumulatives constraint. * * Requires \code #include <gecode/int/cumulatives.hh> \endcode * \ingroup FuncIntProp */ template<class ViewM, class ViewP, class ViewU, class View> class Val : public Propagator { protected: ViewArray<ViewM> m; ViewArray<View> s; ViewArray<ViewP> p; ViewArray<View> e; ViewArray<ViewU> u; SharedArray<int> c; const bool at_most;
Val(Space& home, Val<ViewM, ViewP, ViewU, View>& p); Val(Home home, const ViewArray<ViewM>&, const ViewArray<View>&, const ViewArray<ViewP>&, const ViewArray<View>&, const ViewArray<ViewU>&, const SharedArray<int>&, bool);
ExecStatus prune(Space& home, int low, int up, int r, int ntask, int su, int* contribution, int* prune_tasks, int& prune_tasks_size); public: /// Create copy during cloning virtual Actor* copy(Space& home); /// Cost function (defined as low quadratic) virtual PropCost cost(const Space& home, const ModEventDelta& med) const; /// Schedule function virtual void reschedule(Space& home); /// Perform propagation virtual ExecStatus propagate(Space& home, const ModEventDelta& med); /// Post propagator static ExecStatus post(Home home, const ViewArray<ViewM>&, const ViewArray<View>&, const ViewArray<ViewP>&, const ViewArray<View>&, const ViewArray<ViewU>&, const SharedArray<int>&, bool); /// Dispose propagator virtual size_t dispose(Space& home); };
}}}
#include <gecode/int/cumulatives/val.hpp>
#endif
// STATISTICS: int-prop