ClpAmplObjective.hpp

Go to the documentation of this file.

/* $Id$ */
// Copyright (C) 2007, International Business Machines
// Corporation and others.  All Rights Reserved.
// This code is licensed under the terms of the Eclipse Public License (EPL).
 
#ifndef ClpAmplObjective_H
#define ClpAmplObjective_H
 
#include "ClpObjective.hpp"
#include "CoinPackedMatrix.hpp"
 
//#############################################################################
 
class ClpAmplObjective : public ClpObjective {
 
public:
 
 
  virtual double *gradient(const ClpSimplex *model,
    const double *solution, double &offset, bool refresh,
    int includeLinear = 2);
 
  virtual double reducedGradient(ClpSimplex *model, double *region,
    bool useFeasibleCosts);
  virtual double stepLength(ClpSimplex *model,
    const double *solution,
    const double *change,
    double maximumTheta,
    double &currentObj,
    double &predictedObj,
    double &thetaObj);
  virtual double objectiveValue(const ClpSimplex *model, const double *solution) const;
  virtual void resize(int newNumberColumns);
  virtual void deleteSome(int numberToDelete, const int *which);
  virtual void reallyScale(const double *columnScale);
  virtual int markNonlinear(char *which);
 
  virtual void newXValues();
 
 
  ClpAmplObjective();
 
  ClpAmplObjective(void *amplInfo);
 
  ClpAmplObjective(const ClpAmplObjective &rhs);
 
  ClpAmplObjective &operator=(const ClpAmplObjective &rhs);
 
  virtual ~ClpAmplObjective();
 
  virtual ClpObjective *clone() const;
 
 
  double *linearObjective() const;
 
  //---------------------------------------------------------------------------
 
private:
  double offset_;
  void *amplObjective_;
  double *objective_;
  double *gradient_;
};
 
#endif
 
/* vi: softtabstop=2 shiftwidth=2 expandtab tabstop=2
*/