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// Copyright (C) 2005, 2007 International Business Machines and others.
// All Rights Reserved.
// This code is published under the Common Public License.
//
// $Id: IpUserScaling.hpp 984 2007-05-30 23:03:22Z andreasw $
//
// Authors:  Carl Laird, Andreas Waechter     IBM    2005-06-25

#ifndef __IPUSERSCALING_HPP__
#define __IPUSERSCALING_HPP__

#include "IpNLPScaling.hpp"
#include "IpNLP.hpp"

namespace Ipopt
{
  class UserScaling : public StandardScalingBase
  {
  public:
    UserScaling(const SmartPtr<const NLP>& nlp)
        :
        StandardScalingBase(),
        nlp_(nlp)
    {}

    virtual ~UserScaling()
    {}

  protected:
    virtual void DetermineScalingParametersImpl(
      const SmartPtr<const VectorSpace> x_space,
      const SmartPtr<const VectorSpace> c_space,
      const SmartPtr<const VectorSpace> d_space,
      const SmartPtr<const MatrixSpace> jac_c_space,
      const SmartPtr<const MatrixSpace> jac_d_space,
      const SmartPtr<const SymMatrixSpace> h_space,
      const Matrix& Px_L, const Vector& x_L,
      const Matrix& Px_U, const Vector& x_U,
      Number& df,
      SmartPtr<Vector>& dx,
      SmartPtr<Vector>& dc,
      SmartPtr<Vector>& dd);

  private:


    UserScaling(const UserScaling&);

    void operator=(const UserScaling&);

    SmartPtr<const NLP> nlp_;
  };
} // namespace Ipopt
#endif

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