CouennePSDcon.hpp

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/* $Id: CouennePSDcon.hpp 933 2012-12-29 13:23:40Z pbelotti $
 *
 * Name:    CouennePSDcon.hpp
 * Author:  Pietro Belotti
 * Purpose: define the class of positive semidefinite constraints
 *
 * This file is licensed under the Eclipse Public License (EPL)
 */

#ifndef CouennePSDcon_hpp
#define CouennePSDcon_hpp

#include "CouenneProblemElem.hpp"
#include <iostream>

namespace Couenne {

  class CouenneExprMatrix;
  class CouenneProblem;
  class Domain;


  class CouennePSDcon: public CouenneConstraint {

  protected:

    CouenneExprMatrix *X_; 

  public:

    CouennePSDcon  (CouenneExprMatrix *X): 
      CouenneConstraint (),
      X_                (X) {}

    ~CouennePSDcon ();

    CouennePSDcon (const CouennePSDcon &c, Domain *d = NULL);

    CouennePSDcon &operator= (const CouennePSDcon &c);

    inline CouenneConstraint *clone (Domain *d = NULL) const
    {return new CouennePSDcon (*this, d);}

    CouenneExprMatrix *getX () const {return X_;}

    exprAux *standardize (CouenneProblem *);

    void print (std::ostream & = std::cout);
  };
}

#endif