IpExpandedMultiVectorMatrix.hpp

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// Copyright (C) 2009 International Business Machines and others.
// All Rights Reserved.
// This code is published under the Eclipse Public License.
//
// $Id: IpExpandedMultiVectorMatrix.hpp 2269 2013-05-05 11:32:40Z stefan $
//
// Authors:  Andreas Waechter             IBM    2009-11-05

#ifndef __IPEXPANDEDMULTIVECTORMATRIX_HPP__
#define __IPEXPANDEDMULTIVECTORMATRIX_HPP__

#include "IpUtils.hpp"
#include "IpMatrix.hpp"
#include "IpExpansionMatrix.hpp"

namespace Ipopt
{

  class ExpandedMultiVectorMatrixSpace;

  class ExpandedMultiVectorMatrix : public Matrix
  {
  public:


    ExpandedMultiVectorMatrix(const ExpandedMultiVectorMatrixSpace* owner_space);

    virtual ~ExpandedMultiVectorMatrix()
    {}

    SmartPtr<ExpandedMultiVectorMatrix> MakeNewExpandedMultiVectorMatrix() const;

    void SetVector(Index i, SmartPtr<const Vector> vec);

    inline SmartPtr<const Vector> GetVector(Index i) const
    {
      DBG_ASSERT(i < NRows());
      return vecs_[i];
    }

    SmartPtr<const VectorSpace> RowVectorSpace() const;

    SmartPtr<const ExpandedMultiVectorMatrixSpace>
    ExpandedMultiVectorMatrixOwnerSpace() const;

    SmartPtr<const ExpansionMatrix> GetExpansionMatrix() const;

  protected:
    virtual void MultVectorImpl(Number alpha, const Vector &x, Number beta,
                                Vector &y) const;

    virtual void TransMultVectorImpl(Number alpha, const Vector& x,
                                     Number beta, Vector& y) const;

    virtual bool HasValidNumbersImpl() const;

    virtual void ComputeRowAMaxImpl(Vector& rows_norms, bool init) const;

    virtual void ComputeColAMaxImpl(Vector& cols_norms, bool init) const;

    virtual void PrintImpl(const Journalist& jnlst,
                           EJournalLevel level,
                           EJournalCategory category,
                           const std::string& name,
                           Index indent,
                           const std::string& prefix) const;


  private:
    ExpandedMultiVectorMatrix();

    ExpandedMultiVectorMatrix(const ExpandedMultiVectorMatrix&);

    void operator=(const ExpandedMultiVectorMatrix&);

    const ExpandedMultiVectorMatrixSpace* owner_space_;

    std::vector<SmartPtr<const Vector> > vecs_;

  };

  class ExpandedMultiVectorMatrixSpace : public MatrixSpace
  {
  public:
    ExpandedMultiVectorMatrixSpace(Index nrows,
                                   const VectorSpace& vec_space,
                                   SmartPtr<const ExpansionMatrix> exp_matrix);
    virtual ~ExpandedMultiVectorMatrixSpace()
    {}

    ExpandedMultiVectorMatrix* MakeNewExpandedMultiVectorMatrix() const
    {
      return new ExpandedMultiVectorMatrix(this);
    }

    virtual Matrix* MakeNew() const
    {
      return MakeNewExpandedMultiVectorMatrix();
    }

    SmartPtr<const VectorSpace> RowVectorSpace() const
    {
      return vec_space_;
    }

    SmartPtr<const ExpansionMatrix> GetExpansionMatrix() const
    {
      return exp_matrix_;
    }

  private:
    SmartPtr<const VectorSpace> vec_space_;

    SmartPtr<const ExpansionMatrix> exp_matrix_;
  };

  inline
  SmartPtr<ExpandedMultiVectorMatrix> ExpandedMultiVectorMatrix::MakeNewExpandedMultiVectorMatrix() const
  {
    return owner_space_->MakeNewExpandedMultiVectorMatrix();
  }

  inline
  SmartPtr<const VectorSpace> ExpandedMultiVectorMatrix::RowVectorSpace() const
  {
    return owner_space_->RowVectorSpace();
  }

  inline
  SmartPtr<const ExpansionMatrix> ExpandedMultiVectorMatrix::GetExpansionMatrix() const
  {
    return owner_space_->GetExpansionMatrix();
  }

  inline
  SmartPtr<const ExpandedMultiVectorMatrixSpace>
  ExpandedMultiVectorMatrix::ExpandedMultiVectorMatrixOwnerSpace() const
  {
    return owner_space_;
  }

} // namespace Ipopt
#endif