/usr/include/octave-3.2.4/octave/dDiagMatrix.h is in octave3.2-headers 3.2.4-12.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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Copyright (C) 1994, 1995, 1996, 1997, 2000, 2002, 2004, 2005, 2006,
2007, 2008, 2009 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 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_DiagMatrix_h)
#define octave_DiagMatrix_h 1
#include "MDiagArray2.h"
#include "dRowVector.h"
#include "dColVector.h"
#include "DET.h"
#include "mx-defs.h"
class
OCTAVE_API
DiagMatrix : public MDiagArray2<double>
{
friend class SVD;
friend class ComplexSVD;
public:
DiagMatrix (void) : MDiagArray2<double> () { }
DiagMatrix (octave_idx_type r, octave_idx_type c) : MDiagArray2<double> (r, c) { }
DiagMatrix (octave_idx_type r, octave_idx_type c, double val) : MDiagArray2<double> (r, c, val) { }
DiagMatrix (const DiagMatrix& a) : MDiagArray2<double> (a) { }
DiagMatrix (const MDiagArray2<double>& a) : MDiagArray2<double> (a) { }
template <class U>
DiagMatrix (const DiagArray2<U>& a) : MDiagArray2<double> (a) { }
explicit DiagMatrix (const RowVector& a) : MDiagArray2<double> (a) { }
explicit DiagMatrix (const ColumnVector& a) : MDiagArray2<double> (a) { }
DiagMatrix& operator = (const DiagMatrix& a)
{
MDiagArray2<double>::operator = (a);
return *this;
}
bool operator == (const DiagMatrix& a) const;
bool operator != (const DiagMatrix& a) const;
DiagMatrix& fill (double val);
DiagMatrix& fill (double val, octave_idx_type beg, octave_idx_type end);
DiagMatrix& fill (const ColumnVector& a);
DiagMatrix& fill (const RowVector& a);
DiagMatrix& fill (const ColumnVector& a, octave_idx_type beg);
DiagMatrix& fill (const RowVector& a, octave_idx_type beg);
DiagMatrix transpose (void) const { return MDiagArray2<double>::transpose(); }
DiagMatrix abs (void) const;
friend OCTAVE_API DiagMatrix real (const ComplexDiagMatrix& a);
friend OCTAVE_API DiagMatrix imag (const ComplexDiagMatrix& a);
// resize is the destructive analog for this one
Matrix extract (octave_idx_type r1, octave_idx_type c1, octave_idx_type r2, octave_idx_type c2) const;
// extract row or column i.
RowVector row (octave_idx_type i) const;
RowVector row (char *s) const;
ColumnVector column (octave_idx_type i) const;
ColumnVector column (char *s) const;
DiagMatrix inverse (void) const;
DiagMatrix inverse (octave_idx_type& info) const;
DiagMatrix pseudo_inverse (void) const;
// other operations
ColumnVector diag (octave_idx_type k = 0) const
{ return MDiagArray2<double>::diag (k); }
DET determinant (void) const;
double rcond (void) const;
// i/o
friend OCTAVE_API std::ostream& operator << (std::ostream& os, const DiagMatrix& a);
private:
DiagMatrix (double *d, octave_idx_type nr, octave_idx_type nc) : MDiagArray2<double> (d, nr, nc) { }
};
OCTAVE_API DiagMatrix real (const ComplexDiagMatrix& a);
OCTAVE_API DiagMatrix imag (const ComplexDiagMatrix& a);
// diagonal matrix by diagonal matrix -> diagonal matrix operations
OCTAVE_API DiagMatrix
operator * (const DiagMatrix& a, const DiagMatrix& b);
MDIAGARRAY2_FORWARD_DEFS (MDiagArray2, DiagMatrix, double)
#endif
/*
;;; Local Variables: ***
;;; mode: C++ ***
;;; End: ***
*/
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