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// Copyright 2008, 2009 Brady J. Garvin
// This file is part of Covering Arrays by Simulated Annealing (CASA).
// CASA is free software: you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// CASA is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with CASA. If not, see <http://www.gnu.org/licenses/>.
#ifndef COVERING_ARRAY_ANNEALING_FILTER_H
#define COVERING_ARRAY_ANNEALING_FILTER_H
#include "annealing/AnnealingFilter.H"
#include "covering/state/CoveringArray.H"
#include "covering/cost/CoverageCost.H"
#ifndef MULTIPLE_COVERAGE_WEIGHT
#define MULTIPLE_COVERAGE_WEIGHT 0.1L
#endif
class CoveringArrayAnnealingFilter :
public AnnealingFilter<CoveringArray, CoverageCost> {
public:
CoveringArrayAnnealingFilter(double temperature, double decay) :
AnnealingFilter<CoveringArray, CoverageCost>(temperature, decay) {}
double convertToDelta(CoverageCost childEstimate, CoverageCost parentEstimate)
const {
unsigned childNoncoverage = childEstimate.getNoncoverage();
unsigned parentNoncoverage = parentEstimate.getNoncoverage();
unsigned childMultipleCoverage = childEstimate.getMultipleCoverage();
unsigned parentMultipleCoverage = parentEstimate.getMultipleCoverage();
return -(double)(childNoncoverage - parentNoncoverage) -
MULTIPLE_COVERAGE_WEIGHT *
(childMultipleCoverage - parentMultipleCoverage);
}
};
#endif
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