/*

Copyright (C) 2004-2012 David Bateman
Copyright (C) 1998-2004 Andy Adler

This file is part of Octave.

Octave is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 3 of the License, or (at your
option) any later version.

Octave is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License
along with Octave; see the file COPYING.  If not, see
<http://www.gnu.org/licenses/>.

*/

#if !defined (octave_sparse_matrix_h)
#define octave_sparse_matrix_h 1

#include <cstdlib>

#include <iosfwd>
#include <string>

#include "mx-base.h"
#include "oct-alloc.h"
#include "str-vec.h"

#include "error.h"
#include "oct-stream.h"
#include "ov-base.h"
#include "ov-typeinfo.h"

#include "dSparse.h"
#include "MatrixType.h"
#include "ov-base-sparse.h"
#include "ov-cx-sparse.h"

class octave_value_list;

class tree_walker;

class
OCTINTERP_API
octave_sparse_matrix : public octave_base_sparse<SparseMatrix>
{
public:

  octave_sparse_matrix (void)
    : octave_base_sparse<SparseMatrix> () { }

  octave_sparse_matrix (const Matrix& m)
    : octave_base_sparse<SparseMatrix> (SparseMatrix (m)) { }

  octave_sparse_matrix (const NDArray& m)
    : octave_base_sparse<SparseMatrix> (SparseMatrix (m)) { }

  octave_sparse_matrix (const SparseMatrix& m)
    : octave_base_sparse<SparseMatrix> (m) { }

  octave_sparse_matrix (const SparseMatrix& m, const MatrixType& t)
    : octave_base_sparse<SparseMatrix> (m, t) { }

  octave_sparse_matrix (const MSparse<double>& m)
    : octave_base_sparse<SparseMatrix> (m) { }

  octave_sparse_matrix (const MSparse<double>& m, const MatrixType& t)
    : octave_base_sparse<SparseMatrix> (m, t) { }

  octave_sparse_matrix (const Sparse<double>& m)
    : octave_base_sparse<SparseMatrix> (SparseMatrix (m)) { }

  octave_sparse_matrix (const Sparse<double>& m, const MatrixType& t)
    : octave_base_sparse<SparseMatrix> (SparseMatrix (m), t) { }

  octave_sparse_matrix (const octave_sparse_matrix& m)
    : octave_base_sparse<SparseMatrix> (m) { }

  ~octave_sparse_matrix (void) { }

  octave_base_value *clone (void) const { return new octave_sparse_matrix (*this); }
  octave_base_value *empty_clone (void) const { return new octave_sparse_matrix (); }

  octave_base_value *try_narrowing_conversion (void);

  idx_vector index_vector (void) const;

  builtin_type_t builtin_type (void) const { return btyp_double; }

  bool is_real_matrix (void) const { return true; }

  bool is_real_type (void) const { return true; }

  bool is_double_type (void) const { return true; }

  bool is_float_type (void) const { return true; }

  double double_value (bool = false) const;

  double scalar_value (bool frc_str_conv = false) const
    { return double_value (frc_str_conv); }

  Matrix matrix_value (bool = false) const;

  Complex complex_value (bool = false) const;

  boolNDArray bool_array_value (bool warn = false) const;

  charNDArray char_array_value (bool = false) const;

  ComplexMatrix complex_matrix_value (bool = false) const;

  ComplexNDArray complex_array_value (bool = false) const;

  NDArray array_value (bool = false) const;

  SparseMatrix sparse_matrix_value (bool = false) const
    { return matrix; }

  SparseComplexMatrix sparse_complex_matrix_value (bool = false) const
    { return SparseComplexMatrix (matrix); }

  SparseBoolMatrix sparse_bool_matrix_value (bool warn = false) const;

  octave_value convert_to_str_internal (bool pad, bool force, char type) const;

#if 0
  int write (octave_stream& os, int block_size,
             oct_data_conv::data_type output_type, int skip,
             oct_mach_info::float_format flt_fmt) const
    { return os.write (matrix, block_size, output_type, skip, flt_fmt); }
#endif

  bool save_binary (std::ostream& os, bool& save_as_floats);

  bool load_binary (std::istream& is, bool swap,
                    oct_mach_info::float_format fmt);

#if defined (HAVE_HDF5)
  bool save_hdf5 (hid_t loc_id, const char *name, bool save_as_floats);

  bool load_hdf5 (hid_t loc_id, const char *name);
#endif

  mxArray *as_mxArray (void) const;

  octave_value map (unary_mapper_t umap) const;

private:
  octave_value map (double (*fcn) (double)) const;

  DECLARE_OCTAVE_ALLOCATOR

  DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA
};

#endif
