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CDiagMatrix.h
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C/C++ Source or Header
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1997-08-20
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6KB
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170 lines
/*
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_ComplexDiagMatrix_h)
#define octave_ComplexDiagMatrix_h 1
#if defined (__GNUG__)
#pragma interface
#endif
#include "MDiagArray2.h"
#include "dRowVector.h"
#include "CRowVector.h"
#include "dColVector.h"
#include "CColVector.h"
#include "mx-defs.h"
class ComplexDiagMatrix : public MDiagArray2<Complex>
{
public:
ComplexDiagMatrix (void) : MDiagArray2<Complex> () { }
ComplexDiagMatrix (int r, int c) : MDiagArray2<Complex> (r, c) { }
ComplexDiagMatrix (int r, int c, const Complex& val)
: MDiagArray2<Complex> (r, c, val) { }
ComplexDiagMatrix (const RowVector& a)
: MDiagArray2<Complex> (ComplexRowVector (a)) { }
ComplexDiagMatrix (const ComplexRowVector& a) : MDiagArray2<Complex> (a) { }
ComplexDiagMatrix (const ColumnVector& a)
: MDiagArray2<Complex> (ComplexColumnVector (a)) { }
ComplexDiagMatrix (const ComplexColumnVector& a)
: MDiagArray2<Complex> (a) { }
ComplexDiagMatrix (const DiagMatrix& a);
ComplexDiagMatrix (const MDiagArray2<Complex>& a)
: MDiagArray2<Complex> (a) { }
ComplexDiagMatrix (const ComplexDiagMatrix& a) : MDiagArray2<Complex> (a) { }
ComplexDiagMatrix& operator = (const ComplexDiagMatrix& a)
{
MDiagArray2<Complex>::operator = (a);
return *this;
}
bool operator == (const ComplexDiagMatrix& a) const;
bool operator != (const ComplexDiagMatrix& a) const;
ComplexDiagMatrix& fill (double val);
ComplexDiagMatrix& fill (const Complex& val);
ComplexDiagMatrix& fill (double val, int beg, int end);
ComplexDiagMatrix& fill (const Complex& val, int beg, int end);
ComplexDiagMatrix& fill (const ColumnVector& a);
ComplexDiagMatrix& fill (const ComplexColumnVector& a);
ComplexDiagMatrix& fill (const RowVector& a);
ComplexDiagMatrix& fill (const ComplexRowVector& a);
ComplexDiagMatrix& fill (const ColumnVector& a, int beg);
ComplexDiagMatrix& fill (const ComplexColumnVector& a, int beg);
ComplexDiagMatrix& fill (const RowVector& a, int beg);
ComplexDiagMatrix& fill (const ComplexRowVector& a, int beg);
ComplexDiagMatrix hermitian (void) const; // complex conjugate transpose
ComplexDiagMatrix transpose (void) const;
friend ComplexDiagMatrix conj (const ComplexDiagMatrix& a);
// resize is the destructive analog for this one
ComplexMatrix extract (int r1, int c1, int r2, int c2) const;
// extract row or column i
ComplexRowVector row (int i) const;
ComplexRowVector row (char *s) const;
ComplexColumnVector column (int i) const;
ComplexColumnVector column (char *s) const;
ComplexDiagMatrix inverse (int& info) const;
ComplexDiagMatrix inverse (void) const;
// diagonal matrix by diagonal matrix -> diagonal matrix operations
ComplexDiagMatrix& operator += (const DiagMatrix& a);
ComplexDiagMatrix& operator -= (const DiagMatrix& a);
ComplexDiagMatrix& operator += (const ComplexDiagMatrix& a);
ComplexDiagMatrix& operator -= (const ComplexDiagMatrix& a);
// diagonal matrix by scalar -> diagonal matrix operations
friend ComplexDiagMatrix operator * (const ComplexDiagMatrix& a, double s);
friend ComplexDiagMatrix operator / (const ComplexDiagMatrix& a, double s);
friend ComplexDiagMatrix operator * (const DiagMatrix& a, const Complex& s);
friend ComplexDiagMatrix operator / (const DiagMatrix& a, const Complex& s);
// scalar by diagonal matrix -> diagonal matrix operations
friend ComplexDiagMatrix operator * (double s, const ComplexDiagMatrix& a);
friend ComplexDiagMatrix operator * (const Complex& s, const DiagMatrix& a);
// diagonal matrix by diagonal matrix -> diagonal matrix operations
friend ComplexDiagMatrix operator * (const ComplexDiagMatrix& a,
const ComplexDiagMatrix& b);
friend ComplexDiagMatrix operator + (const ComplexDiagMatrix& a,
const DiagMatrix& b);
friend ComplexDiagMatrix operator - (const ComplexDiagMatrix& a,
const DiagMatrix& b);
friend ComplexDiagMatrix operator * (const ComplexDiagMatrix& a,
const DiagMatrix& b);
friend ComplexDiagMatrix operator + (const DiagMatrix& a,
const ComplexDiagMatrix& b);
friend ComplexDiagMatrix operator - (const DiagMatrix& a,
const ComplexDiagMatrix& b);
friend ComplexDiagMatrix operator * (const DiagMatrix& a,
const ComplexDiagMatrix& b);
friend ComplexDiagMatrix product (const ComplexDiagMatrix& a,
const DiagMatrix& b);
friend ComplexDiagMatrix product (const DiagMatrix& a,
const ComplexDiagMatrix& b);
// other operations
ComplexColumnVector diag (void) const;
ComplexColumnVector diag (int k) const;
// i/o
friend ostream& operator << (ostream& os, const ComplexDiagMatrix& a);
private:
ComplexDiagMatrix (Complex *d, int nr, int nc)
: MDiagArray2<Complex> (d, nr, nc) { }
};
#endif
/*
;;; Local Variables: ***
;;; mode: C++ ***
;;; End: ***
*/