/home/coin/SVN-release/CoinAll-1.1.0/Ipopt/src/LinAlg/TMatrices/IpTripletHelper.hpp

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// Copyright (C) 2004, 2006 International Business Machines and others.
// All Rights Reserved.
// This code is published under the Common Public License.
//
// $Id: IpTripletHelper.hpp 699 2006-04-05 21:05:18Z andreasw $
//
// Authors:  Carl Laird, Andreas Waechter     IBM    2004-08-13

#ifndef __IPTRIPLETHELPER_HPP__
#define __IPTRIPLETHELPER_HPP__

#include "IpTypes.hpp"
#include "IpException.hpp"

namespace Ipopt
{

  class Matrix;
  class GenTMatrix;
  class SymTMatrix;
  class DiagMatrix;
  class IdentityMatrix;
  class ExpansionMatrix;
  class ScaledMatrix;
  class SymScaledMatrix;
  class SumMatrix;
  class SumSymMatrix;
  class ZeroMatrix;
  class CompoundMatrix;
  class CompoundSymMatrix;
  class Vector;

  class TripletHelper
  {
  public:
    static Index GetNumberEntries(const Matrix& matrix);

    static void FillRowCol(Index n_entries, const Matrix& matrix, Index* iRow, Index* jCol, Index row_offset=0, Index col_offset=0);

    static void FillValues(Index n_entries, const Matrix& matrix, Number* values);

    static void FillValuesFromVector(Index dim, const Vector& vector, Number* values);

    static void PutValuesInVector(Index dim, const double* values, Vector& vector);

    DECLARE_STD_EXCEPTION(UNKNOWN_MATRIX_TYPE);
    DECLARE_STD_EXCEPTION(UNKNOWN_VECTOR_TYPE);

  private:
    static Index GetNumberEntries_(const SumMatrix& matrix);

    static Index GetNumberEntries_(const SumSymMatrix& matrix);

    static Index GetNumberEntries_(const CompoundMatrix& matrix);

    static Index GetNumberEntries_(const CompoundSymMatrix& matrix);

    static void FillRowCol_(Index n_entries, const GenTMatrix& matrix, Index row_offset, Index col_offset, Index* iRow, Index* jCol);

    static void FillValues_(Index n_entries, const GenTMatrix& matrix, Number* values);

    static void FillRowCol_(Index n_entries, const SymTMatrix& matrix, Index row_offset, Index col_offset, Index* iRow, Index* jCol);

    static void FillValues_(Index n_entries, const SymTMatrix& matrix, Number* values);

    static void FillRowCol_(Index n_entries, const DiagMatrix& matrix, Index row_offset, Index col_offset, Index* iRow, Index* jCol);

    static void FillValues_(Index n_entries, const DiagMatrix& matrix, Number* values);

    static void FillRowCol_(Index n_entries, const IdentityMatrix& matrix, Index row_offset, Index col_offset, Index* iRow, Index* jCol);

    static void FillValues_(Index n_entries, const IdentityMatrix& matrix, Number* values);

    static void FillRowCol_(Index n_entries, const ExpansionMatrix& matrix, Index row_offset, Index col_offset, Index* iRow, Index* jCol);

    static void FillValues_(Index n_entries, const ExpansionMatrix& matrix, Number* values);

    static void FillRowCol_(Index n_entries, const SumMatrix& matrix, Index row_offset, Index col_offset, Index* iRow, Index* jCol);

    static void FillValues_(Index n_entries, const SumMatrix& matrix, Number* values);

    static void FillRowCol_(Index n_entries, const SumSymMatrix& matrix, Index row_offset, Index col_offset, Index* iRow, Index* jCol);

    static void FillValues_(Index n_entries, const SumSymMatrix& matrix, Number* values);

    static void FillRowCol_(Index n_entries, const CompoundMatrix& matrix, Index row_offset, Index col_offset, Index* iRow, Index* jCol);

    static void FillValues_(Index n_entries, const CompoundMatrix& matrix, Number* values);

    static void FillRowCol_(Index n_entries, const CompoundSymMatrix& matrix, Index row_offset, Index col_offset, Index* iRow, Index* jCol);

    static void FillValues_(Index n_entries, const CompoundSymMatrix& matrix, Number* values);

    static void FillRowCol_(Index n_entries, const ScaledMatrix& matrix, Index row_offset, Index col_offset, Index* iRow, Index* jCol);

    static void FillValues_(Index n_entries, const ScaledMatrix& matrix, Number* values);

    static void FillRowCol_(Index n_entries, const SymScaledMatrix& matrix, Index row_offset, Index col_offset, Index* iRow, Index* jCol);

    static void FillValues_(Index n_entries, const SymScaledMatrix& matrix, Number* values);

  };
} // namespace Ipopt

#endif

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