BigattiPivotStrategy.h

Go to the documentation of this file.

/* Frobby: Software for monomial ideal computations.
   Copyright (C) 2009 University of Aarhus
   Contact Bjarke Hammersholt Roune for license information (www.broune.com)
 
   This program 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 2 of the License, or
   (at your option) any later version.
 
   This program 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 this program.  If not, see http://www.gnu.org/licenses/.
*/
#ifndef BIGATTI_PIVOT_STRATEGY_GUARD
#define BIGATTI_PIVOT_STRATEGY_GUARD
 
class Term;
class BigattiState;
 
class BigattiPivotStrategy {
 public:
  virtual ~BigattiPivotStrategy();
 
  virtual const Term& getPivot(BigattiState& state) = 0;
 
  virtual const char* getName() const = 0;
 
  static auto_ptr<BigattiPivotStrategy> createStrategy
    (const string& prefix, bool widen);
 
 protected:
  BigattiPivotStrategy();
 
  // To make these inaccessible. They are not implemented.
  BigattiPivotStrategy(const BigattiPivotStrategy&);
  BigattiPivotStrategy& operator=(const BigattiPivotStrategy&);
  bool operator==(const BigattiPivotStrategy&);
};
 
#endif