rtkMatlabSparseMatrix.h

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/*=========================================================================
 *
 *  Copyright RTK Consortium
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *         https://www.apache.org/licenses/LICENSE-2.0.txt
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *=========================================================================*/

#ifndef rtkMatlabSparseMatrix_h
#define rtkMatlabSparseMatrix_h

#include <vnl/vnl_sparse_matrix.h>

namespace rtk
{
class MatlabSparseMatrix
{
public:
  template <class TOutputImage>
  MatlabSparseMatrix(const vnl_sparse_matrix<double> & sparseMatrix, TOutputImage * output);
  void
  Save(std::ostream & out);
  void
  Print();

  struct MatlabSparseMatrixStruct
  {
    unsigned char       s_headerMatlab[116];
    unsigned char       s_headerOffset[8];
    unsigned short int  s_headerVersion;
    unsigned char       s_headerEndian[2];
    unsigned long int   s_mainTag;
    unsigned long int   s_dataLength;
    unsigned long int   s_arrayTag;
    unsigned long int   s_arrayLength;
    unsigned short int  s_arrayUndefined;
    unsigned char       s_arrayFlags;
    unsigned char       s_arrayClass;
    unsigned long int   s_arrayNzmax;
    unsigned long int   s_dimensionTag;
    unsigned long int   s_dimensionLength;
    unsigned long int   s_dimensionNbRow;
    unsigned long int   s_dimensionNbColumn;
    unsigned short int  s_nameLength;
    unsigned short int  s_nameTag;
    unsigned char       s_nameChar;
    unsigned char       s_namePadding[3];
    unsigned long int   s_rowIndexTag;
    unsigned long int   s_rowIndexLength;
    unsigned long int * s_rowIndex;
    unsigned long int   s_rowIndexPadding;
    unsigned long int   s_columnIndexTag;
    unsigned long int   s_columnIndexLength;
    unsigned long int * s_columnIndex;
    unsigned long int   s_columnIndexPadding;
    unsigned long int   s_valueTag;
    unsigned long int   s_valueLength;
    double *            s_value;
  };

protected:
  MatlabSparseMatrixStruct m_MatlabSparseMatrix;
};
} // namespace rtk

#ifndef ITK_MANUAL_INSTANTIATION
#  include "rtkMatlabSparseMatrix.hxx"
#endif

#endif