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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 COMBINADIC_H
#define COMBINADIC_H
#include <math.h>
#include "Array.H"
#include "PascalTriangle.H"
class Combinadic {
protected:
unsigned guessLastMember(unsigned encoding, unsigned cardinality);
std::pair<unsigned, unsigned>getLastMemberAndContribution
(unsigned encoding, unsigned cardinality);
public:
unsigned encode(Array<unsigned>sortedSubset);
Array<unsigned>decode(unsigned encoding, unsigned cardinality);
Array<unsigned>begin(unsigned size) const;
void previous(Array<unsigned>sortedSubset) const;
void next(Array<unsigned>sortedSubset) const;
};
extern Combinadic combinadic;
#endif
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