/home/coin/SVN-release/CoinAll-1.1.0/Clp/src/ClpConstraintLinear.hpp

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// Copyright (C) 2007, International Business Machines
// Corporation and others.  All Rights Reserved.
#ifndef ClpConstraintLinear_H
#define ClpConstraintLinear_H

#include "ClpConstraint.hpp"

//#############################################################################

class ClpConstraintLinear : public ClpConstraint {
  
public:
  

  
  
  virtual int gradient(const ClpSimplex * model,
                       const double * solution,
                       double * gradient,
                       double & functionValue ,
                       double & offset,
                       bool useScaling=false,
                       bool refresh=true) 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) const ;
  virtual int markNonzero(char * which) const;
  
  


  ClpConstraintLinear(); 
  
  ClpConstraintLinear(int row, int numberCoefficients, int numberColumns,
                      const int * column, const double * element);
  
  ClpConstraintLinear(const ClpConstraintLinear & rhs);

  ClpConstraintLinear & operator=(const ClpConstraintLinear& rhs);
  
  virtual ~ClpConstraintLinear ();

  virtual ClpConstraint * clone() const;



  virtual int numberCoefficients() const;
  inline int numberColumns() const
  {return numberColumns_;}
  inline const int * column() const
  { return column_;}
  inline const double * coefficient() const
  { return coefficient_;}

  //---------------------------------------------------------------------------
  
private:
  int * column_;
  double * coefficient_;
  int numberColumns_;
  int numberCoefficients_;
};

#endif

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