CouenneExprJac.hpp

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/* $Id: CouenneExprJac.hpp 716 2011-06-26 12:43:43Z pbelotti $
 *
 * Name:    CouenneExprJac.hpp
 * Authors: Pietro Belotti, Lehigh University
 * Purpose: Jacobian expression
 * 
 * This file is licensed under the Eclipse Public License (EPL)
 */

#ifndef CouenneExprJac_HPP
#define CouenneExprJac_HPP

namespace Couenne {

  class expression;
  class CouenneProblem;


  class ExprJac {

  private:

    int          nnz_;   
    int         *iRow_;  
    int         *jCol_;  

    expression **expr_;  

    int          nRows_; 

  public:

    ExprJac  ();
    ExprJac  (CouenneProblem *);
    ~ExprJac ();

    ExprJac  (const ExprJac &);
    ExprJac *clone ();
    ExprJac &operator= (const ExprJac &);

    int  nnz  () const {return nnz_;}
    int *iRow () const {return iRow_;}
    int *jCol () const {return jCol_;}

    expression **expr () const {return expr_;}

    int nRows () const {return nRows_;}
  };
}

#endif