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- /*
-
- Copyright (C) 1996 John W. Eaton
-
- 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 2, 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, write to the Free
- Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
- */
-
- #if !defined (octave_Matrix_int_h)
- #define octave_Matrix_int_h 1
-
- #if defined (__GNUG__)
- #pragma interface
- #endif
-
- #include "MArray2.h"
- #include "MDiagArray2.h"
-
- #include "mx-defs.h"
-
- #include "data-conv.h"
- #include "mach-info.h"
-
- class Matrix : public MArray2<double>
- {
- friend class ComplexMatrix;
- friend class AEPBAL;
- friend class CHOL;
- friend class GEPBAL;
- friend class HESS;
- friend class LU;
- friend class QR;
- friend class QRP;
- friend class SCHUR;
- friend class SVD;
-
- public:
-
- Matrix (void) : MArray2<double> () { }
- Matrix (int r, int c) : MArray2<double> (r, c) { }
- Matrix (int r, int c, double val) : MArray2<double> (r, c, val) { }
- Matrix (const MArray2<double>& a) : MArray2<double> (a) { }
- Matrix (const Matrix& a) : MArray2<double> (a) { }
- Matrix (const RowVector& rv);
- Matrix (const ColumnVector& cv);
- // Matrix (const MDiagArray2<double>& a) : MArray2<double> (a) { }
- Matrix (const DiagMatrix& a);
-
- Matrix (const charMatrix& a);
-
- Matrix& operator = (const Matrix& a)
- {
- MArray2<double>::operator = (a);
- return *this;
- }
-
- bool operator == (const Matrix& a) const;
- bool operator != (const Matrix& a) const;
-
- // destructive insert/delete/reorder operations
-
- Matrix& insert (const Matrix& a, int r, int c);
- Matrix& insert (const RowVector& a, int r, int c);
- Matrix& insert (const ColumnVector& a, int r, int c);
- Matrix& insert (const DiagMatrix& a, int r, int c);
-
- Matrix& fill (double val);
- Matrix& fill (double val, int r1, int c1, int r2, int c2);
-
- Matrix append (const Matrix& a) const;
- Matrix append (const RowVector& a) const;
- Matrix append (const ColumnVector& a) const;
- Matrix append (const DiagMatrix& a) const;
-
- Matrix stack (const Matrix& a) const;
- Matrix stack (const RowVector& a) const;
- Matrix stack (const ColumnVector& a) const;
- Matrix stack (const DiagMatrix& a) const;
-
- Matrix transpose (void) const;
-
- friend Matrix real (const ComplexMatrix& a);
- friend Matrix imag (const ComplexMatrix& a);
-
- // resize is the destructive equivalent for this one
-
- Matrix extract (int r1, int c1, int r2, int c2) const;
-
- // extract row or column i.
-
- RowVector row (int i) const;
- RowVector row (char *s) const;
-
- ColumnVector column (int i) const;
- ColumnVector column (char *s) const;
-
- Matrix inverse (void) const;
- Matrix inverse (int& info) const;
- Matrix inverse (int& info, double& rcond, int force = 0) const;
-
- Matrix pseudo_inverse (double tol = 0.0);
-
- ComplexMatrix fourier (void) const;
- ComplexMatrix ifourier (void) const;
-
- ComplexMatrix fourier2d (void) const;
- ComplexMatrix ifourier2d (void) const;
-
- DET determinant (void) const;
- DET determinant (int& info) const;
- DET determinant (int& info, double& rcond) const;
-
- Matrix solve (const Matrix& b) const;
- Matrix solve (const Matrix& b, int& info) const;
- Matrix solve (const Matrix& b, int& info, double& rcond) const;
-
- ComplexMatrix solve (const ComplexMatrix& b) const;
- ComplexMatrix solve (const ComplexMatrix& b, int& info) const;
- ComplexMatrix solve (const ComplexMatrix& b, int& info, double& rcond) const;
-
- ColumnVector solve (const ColumnVector& b) const;
- ColumnVector solve (const ColumnVector& b, int& info) const;
- ColumnVector solve (const ColumnVector& b, int& info, double& rcond) const;
-
- ComplexColumnVector solve (const ComplexColumnVector& b) const;
- ComplexColumnVector solve (const ComplexColumnVector& b, int& info) const;
- ComplexColumnVector solve (const ComplexColumnVector& b, int& info,
- double& rcond) const;
-
- Matrix lssolve (const Matrix& b) const;
- Matrix lssolve (const Matrix& b, int& info) const;
- Matrix lssolve (const Matrix& b, int& info, int& rank) const;
-
- ComplexMatrix lssolve (const ComplexMatrix& b) const;
- ComplexMatrix lssolve (const ComplexMatrix& b, int& info) const;
- ComplexMatrix lssolve (const ComplexMatrix& b, int& info,
- int& rank) const;
-
- ColumnVector lssolve (const ColumnVector& b) const;
- ColumnVector lssolve (const ColumnVector& b, int& info) const;
- ColumnVector lssolve (const ColumnVector& b, int& info, int& rank) const;
-
- ComplexColumnVector lssolve (const ComplexColumnVector& b) const;
- ComplexColumnVector lssolve (const ComplexColumnVector& b, int& info) const;
- ComplexColumnVector lssolve (const ComplexColumnVector& b, int& info,
- int& rank) const;
-
- Matrix expm (void) const;
-
- Matrix& operator += (const Matrix& a);
- Matrix& operator -= (const Matrix& a);
-
- Matrix& operator += (const DiagMatrix& a);
- Matrix& operator -= (const DiagMatrix& a);
-
- // unary operations
-
- Matrix operator ! (void) const;
-
- // column vector by row vector -> matrix operations
-
- friend Matrix operator * (const ColumnVector& a, const RowVector& b);
-
- // diagonal matrix by scalar -> matrix operations
-
- friend Matrix operator + (const DiagMatrix& a, double s);
- friend Matrix operator - (const DiagMatrix& a, double s);
-
- // scalar by diagonal matrix -> matrix operations
-
- friend Matrix operator + (double s, const DiagMatrix& a);
- friend Matrix operator - (double s, const DiagMatrix& a);
-
- // matrix by diagonal matrix -> matrix operations
-
- friend Matrix operator + (const Matrix& a, const DiagMatrix& b);
- friend Matrix operator - (const Matrix& a, const DiagMatrix& b);
- friend Matrix operator * (const Matrix& a, const DiagMatrix& b);
-
- // diagonal matrix by matrix -> matrix operations
-
- friend Matrix operator + (const DiagMatrix& a, const Matrix& b);
- friend Matrix operator - (const DiagMatrix& a, const Matrix& b);
- friend Matrix operator * (const DiagMatrix& a, const Matrix& b);
-
- // matrix by matrix -> matrix operations
-
- friend Matrix operator * (const Matrix& a, const Matrix& b);
-
- // other operations
-
- Matrix map (d_d_Mapper f) const;
-
- Matrix& apply (d_d_Mapper f);
-
- bool any_element_is_negative (void) const;
- bool any_element_is_inf_or_nan (void) const;
- bool all_elements_are_int_or_inf_or_nan (void) const;
- bool all_integers (double& max_val, double& min_val) const;
- bool too_large_for_float (void) const;
-
- Matrix all (void) const;
- Matrix any (void) const;
-
- Matrix cumprod (void) const;
- Matrix cumsum (void) const;
- Matrix prod (void) const;
- Matrix sum (void) const;
- Matrix sumsq (void) const;
- Matrix abs (void) const;
-
- ColumnVector diag (void) const;
- ColumnVector diag (int k) const;
-
- ColumnVector row_min (void) const;
- ColumnVector row_max (void) const;
-
- ColumnVector row_min (Array<int>& index) const;
- ColumnVector row_max (Array<int>& index) const;
-
- RowVector column_min (void) const;
- RowVector column_max (void) const;
-
- RowVector column_min (Array<int>& index) const;
- RowVector column_max (Array<int>& index) const;
-
- // i/o
-
- friend ostream& operator << (ostream& os, const Matrix& a);
- friend istream& operator >> (istream& is, Matrix& a);
-
- int read (istream& is, int nr, int nc, oct_data_conv::data_type dt,
- int skip, oct_mach_info::float_format flt_fmt);
-
- int write (ostream& os, oct_data_conv::data_type dt, int skip,
- oct_mach_info::float_format flt_fmt);
-
- private:
-
- Matrix (double *d, int r, int c) : MArray2<double> (d, r, c) { }
- };
-
- extern Matrix Givens (double, double);
-
- extern Matrix Sylvester (const Matrix&, const Matrix&, const Matrix&);
-
- extern ComplexColumnVector Qzval (const Matrix& a, const Matrix& b);
-
- #endif
-
- /*
- ;;; Local Variables: ***
- ;;; mode: C++ ***
- ;;; End: ***
- */
-