StatisticsStrategy.h

Go to the documentation of this file.

/* Frobby: Software for monomial ideal computations.
   Copyright (C) 2007 Bjarke Hammersholt Roune (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 STATISTICS_STRATEGY
#define STATISTICS_STRATEGY
 
#include "SliceStrategy.h"
 
#include <map>
 
class StatisticsStrategy : public SliceStrategy {
 public:
  StatisticsStrategy(SliceStrategy* strategy, FILE* out);
  virtual ~StatisticsStrategy();
 
  virtual void run(const Ideal& ideal);
 
  virtual bool processSlice(TaskEngine& tasks, auto_ptr<Slice> slice);
 
  virtual void setUseIndependence(bool use);
  virtual void setUseSimplification(bool use);
  virtual bool getUseSimplification() const;
 
  virtual void freeSlice(auto_ptr<Slice> slice);
 
 private:
  SliceStrategy* _strategy;
  FILE* _out;
 
  struct StatTracker {
    StatTracker(const string& title);
 
    void preliminaryRecord(const Slice& slice);
 
    void commitRecord();
 
    void printReport(FILE* out) const;
 
    const mpz_class& getNodeCount() const;
    double getAvgIdealGenCount() const;
    double getAvgSubGenCount() const;
    double getAvgVarCount() const;
 
  private:
    string _title;
 
    size_t _prelimIdealGenCount;
    size_t _prelimSubGenCount;
    size_t _prelimVarCount;
 
    mpz_class _nodeCount;
    mpz_class _idealGenSum;
    mpz_class _subGenSum;
    mpz_class _varSum;
 
    map<size_t, mpz_class> _nodesByGenCount;
  };
 
  StatTracker _internalTracker;
  StatTracker _leafTracker;
};
 
#endif