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/*
Copyright (C) 2006-2013 David Bateman
Copyright (C) 2006 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_MatrixType_h)
#define octave_MatrixType_h
class Matrix;
class ComplexMatrix;
class FloatMatrix;
class FloatComplexMatrix;
class SparseMatrix;
class SparseComplexMatrix;
class
OCTAVE_API
MatrixType
{
public:
enum matrix_type
{
Unknown = 0,
Full,
Diagonal,
Permuted_Diagonal,
Upper,
Lower,
Permuted_Upper,
Permuted_Lower,
Banded,
Hermitian,
Banded_Hermitian,
Tridiagonal,
Tridiagonal_Hermitian,
Rectangular
};
MatrixType (void);
MatrixType (const MatrixType &a);
MatrixType (const Matrix &a);
MatrixType (const ComplexMatrix &a);
MatrixType (const FloatMatrix &a);
MatrixType (const FloatComplexMatrix &a);
MatrixType (const SparseMatrix &a);
MatrixType (const SparseComplexMatrix &a);
MatrixType (const matrix_type t, bool _full = false);
MatrixType (const matrix_type t, const octave_idx_type np,
const octave_idx_type *p, bool _full = false);
MatrixType (const matrix_type t, const octave_idx_type ku,
const octave_idx_type kl, bool _full = false);
~MatrixType (void);
MatrixType& operator = (const MatrixType& a);
int type (bool quiet = true);
int type (const Matrix &a);
int type (const ComplexMatrix &a);
int type (const FloatMatrix &a);
int type (const FloatComplexMatrix &a);
int type (const SparseMatrix &a);
int type (const SparseComplexMatrix &a);
double band_density (void) const { return bandden; }
int nupper (void) const { return upper_band; }
int nlower (void) const { return lower_band; }
bool is_dense (void) const { return dense; }
bool is_diagonal (void) const
{ return (typ == Diagonal || typ == Permuted_Diagonal); }
bool is_upper_triangular (void) const
{ return (typ == Upper || typ == Permuted_Upper); }
bool is_lower_triangular (void) const
{ return (typ == Lower || typ == Permuted_Lower); }
bool is_banded (void)
{ return (typ == Banded || typ == Banded_Hermitian); }
bool is_tridiagonal (void) const
{ return (typ == Tridiagonal || typ == Tridiagonal_Hermitian); }
bool is_hermitian (void) const
{
return (typ == Banded_Hermitian || typ == Tridiagonal_Hermitian ||
typ == Hermitian);
}
bool is_rectangular (void) const { return (typ == Rectangular); }
bool is_known (void) const { return (typ != Unknown); }
bool is_unknown (void) const { return (typ == Unknown); }
void info (void) const;
octave_idx_type * triangular_perm (void) const { return perm; }
void invalidate_type (void) { typ = Unknown; }
void mark_as_diagonal (void) { typ = Diagonal; }
void mark_as_permuted_diagonal (void) { typ = Permuted_Diagonal; }
void mark_as_upper_triangular (void) { typ = Upper; }
void mark_as_lower_triangular (void) { typ = Lower; }
void mark_as_tridiagonal (void) {typ = Tridiagonal; }
void mark_as_banded (const octave_idx_type ku, const octave_idx_type kl)
{ typ = Banded; upper_band = ku; lower_band = kl; }
void mark_as_full (void) { typ = Full; }
void mark_as_rectangular (void) { typ = Rectangular; }
void mark_as_dense (void) { dense = true; }
void mark_as_not_dense (void) { dense = false; }
void mark_as_symmetric (void);
void mark_as_unsymmetric (void);
void mark_as_permuted (const octave_idx_type np, const octave_idx_type *p);
void mark_as_unpermuted (void);
MatrixType transpose (void) const;
private:
void type (int new_typ) { typ = static_cast<matrix_type>(new_typ); }
matrix_type typ;
double sp_bandden;
double bandden;
octave_idx_type upper_band;
octave_idx_type lower_band;
bool dense;
bool full;
octave_idx_type nperm;
octave_idx_type *perm;
};
#endif
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