Jip J. Dekker
3e72b0e857
git-subtree-dir: software/gecode_on_record git-subtree-split: 37ed9bda495ea87e63217c19a374b5a93bb0078e
66 lines
2.3 KiB
C++
66 lines
2.3 KiB
C++
/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
|
|
/*
|
|
* Main authors:
|
|
* Jip J. Dekker <jip.dekker@monash.edu>
|
|
*
|
|
* Copyright:
|
|
* Jip J. Dekker, 2018
|
|
*
|
|
* 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 __FLATZINC_LASTVAL_HH__
|
|
#define __FLATZINC_LASTVAL_HH__
|
|
|
|
#include <gecode/int.hh>
|
|
#include <memory>
|
|
using namespace Gecode::Int;
|
|
|
|
namespace Gecode { namespace FlatZinc {
|
|
|
|
class LastVal : public UnaryPropagator<IntView, PC_INT_VAL> {
|
|
protected:
|
|
using UnaryPropagator<IntView, PC_INT_VAL>::x0;
|
|
std::shared_ptr<int> s;
|
|
|
|
/// Constructor for cloning \a p
|
|
LastVal(Space& home, LastVal& p);
|
|
/// Constructor for posting
|
|
LastVal(Home home, Int::IntView x0, std::shared_ptr<int> s);
|
|
public:
|
|
/// Copy propagator during cloning
|
|
virtual Actor* copy(Space& home);
|
|
/// Cost function (defined as TODO)
|
|
virtual PropCost cost(const Space& home, const ModEventDelta& med) const;
|
|
/// Perform propagation
|
|
virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
|
|
|
|
static ExecStatus post(Home home, Int::IntView x0, std::shared_ptr<int> s);
|
|
};
|
|
|
|
}}
|
|
|
|
#endif //__FLATZINC_LASTVAL_HH__
|