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////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 1998-2021 The Octave Project Developers
//
// See the file COPYRIGHT.md in the top-level directory of this
// distribution or <https://octave.org/copyright/>.
//
// 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
// <https://www.gnu.org/licenses/>.
//
////////////////////////////////////////////////////////////////////////
#if ! defined (octave_ov_base_sparse_h)
#define octave_ov_base_sparse_h 1
#include "octave-config.h"
#include <cstdlib>
#include <iosfwd>
#include <string>
#include "str-vec.h"
#include "error.h"
#include "ovl.h"
#include "ov-base.h"
#include "ov-typeinfo.h"
#include "boolSparse.h"
#include "MatrixType.h"
class octave_sparse_bool_matrix;
template <typename T>
class
octave_base_sparse : public octave_base_value
{
public:
octave_base_sparse (void)
: octave_base_value (), matrix (), typ (MatrixType ())
{ }
octave_base_sparse (const T& a)
: octave_base_value (), matrix (a), typ (MatrixType ())
{
if (matrix.ndims () == 0)
matrix.resize (dim_vector (0, 0));
}
octave_base_sparse (const T& a, const MatrixType& t)
: octave_base_value (), matrix (a), typ (t)
{
if (matrix.ndims () == 0)
matrix.resize (dim_vector (0, 0));
}
octave_base_sparse (const octave_base_sparse& a)
: octave_base_value (), matrix (a.matrix), typ (a.typ) { }
~octave_base_sparse (void) = default;
octave_idx_type numel (void) const { return dims ().safe_numel (); }
octave_idx_type nnz (void) const { return matrix.nnz (); }
octave_idx_type nzmax (void) const { return matrix.nzmax (); }
size_t byte_size (void) const { return matrix.byte_size (); }
octave_value squeeze (void) const { return matrix.squeeze (); }
octave_value full_value (void) const { return matrix.matrix_value (); }
// We don't need to override all three forms of subsref. The using
// declaration will avoid warnings about partially-overloaded virtual
// functions.
using octave_base_value::subsref;
octave_value subsref (const std::string& type,
const std::list<octave_value_list>& idx);
octave_value_list subsref (const std::string& type,
const std::list<octave_value_list>& idx, int)
{ return subsref (type, idx); }
octave_value subsasgn (const std::string& type,
const std::list<octave_value_list>& idx,
const octave_value& rhs);
// FIXME: should we import the functions from the base class and
// overload them here, or should we use a different name so we don't
// have to do this? Without the using declaration or a name change,
// the base class functions will be hidden. That may be OK, but it
// can also cause some confusion.
using octave_base_value::assign;
void assign (const octave_value_list& idx, const T& rhs);
void delete_elements (const octave_value_list& idx);
dim_vector dims (void) const { return matrix.dims (); }
octave_value do_index_op (const octave_value_list& idx,
bool resize_ok = false);
octave_value reshape (const dim_vector& new_dims) const
{ return T (matrix.reshape (new_dims)); }
octave_value permute (const Array<int>& vec, bool inv = false) const
{ return T (matrix.permute (vec, inv)); }
octave_value resize (const dim_vector& dv, bool = false) const;
octave_value all (int dim = 0) const { return matrix.all (dim); }
octave_value any (int dim = 0) const { return matrix.any (dim); }
// We don't need to override both forms of the diag method. The using
// declaration will avoid warnings about partially-overloaded virtual
// functions.
using octave_base_value::diag;
octave_value diag (octave_idx_type k = 0) const
{ return octave_value (matrix.diag (k)); }
octave_value sort (octave_idx_type dim = 0, sortmode mode = ASCENDING) const
{ return octave_value (matrix.sort (dim, mode)); }
octave_value sort (Array<octave_idx_type> &sidx, octave_idx_type dim = 0,
sortmode mode = ASCENDING) const
{ return octave_value (matrix.sort (sidx, dim, mode)); }
sortmode issorted (sortmode mode = UNSORTED) const
{ return full_value ().issorted (mode); }
MatrixType matrix_type (void) const { return typ; }
MatrixType matrix_type (const MatrixType& _typ) const
{ MatrixType ret = typ; typ = _typ; return ret; }
bool is_matrix_type (void) const { return true; }
bool isnumeric (void) const { return true; }
bool issparse (void) const { return true; }
bool is_defined (void) const { return true; }
bool is_constant (void) const { return true; }
bool is_true (void) const;
bool print_as_scalar (void) const;
void print (std::ostream& os, bool pr_as_read_syntax = false);
void print_info (std::ostream& os, const std::string& prefix) const;
void print_raw (std::ostream& os, bool pr_as_read_syntax = false) const;
bool save_ascii (std::ostream& os);
bool load_ascii (std::istream& is);
float_display_format get_edit_display_format (void) const;
std::string edit_display (const float_display_format& fmt,
octave_idx_type i, octave_idx_type j) const;
// Unsafe. These functions exists to support the MEX interface.
// You should not use them anywhere else.
void * mex_get_data (void) const { return matrix.mex_get_data (); }
octave_idx_type * mex_get_ir (void) const { return matrix.mex_get_ir (); }
octave_idx_type * mex_get_jc (void) const { return matrix.mex_get_jc (); }
octave_value fast_elem_extract (octave_idx_type n) const;
protected:
octave_value map (octave_base_value::unary_mapper_t umap) const;
T matrix;
mutable MatrixType typ;
};
#endif
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