view liboctave/CColVector.h @ 8987:542015fada9e

Eliminate the workspace in sparse transpose. The output's cidx (column start offset array) can serve as the workspace, so the routines operate in the space of their output.
author Jason Riedy <jason@acm.org>
date Mon, 16 Mar 2009 17:03:07 -0400
parents eb63fbe60fab
children 3c1762c7e787
line wrap: on
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/*

Copyright (C) 1994, 1995, 1996, 1997, 2000, 2002, 2003, 2004, 2005,
              2006, 2007, 2008 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_ComplexColumnVector_h)
#define octave_ComplexColumnVector_h 1

#include "MArray.h"

#include "mx-defs.h"

class
OCTAVE_API
ComplexColumnVector : public MArray<Complex>
{
friend class ComplexMatrix;
friend class ComplexRowVector;

public:

  ComplexColumnVector (void) : MArray<Complex> () { }

  explicit ComplexColumnVector (octave_idx_type n) : MArray<Complex> (n) { }

  ComplexColumnVector (octave_idx_type n, const Complex& val)
    : MArray<Complex> (n, val) { }

  ComplexColumnVector (const ComplexColumnVector& a) : MArray<Complex> (a) { }

  ComplexColumnVector (const MArray<Complex>& a) : MArray<Complex> (a) { }

  explicit ComplexColumnVector (const ColumnVector& a);

  ComplexColumnVector& operator = (const ComplexColumnVector& a)
    {
      MArray<Complex>::operator = (a);
      return *this;
    }

  bool operator == (const ComplexColumnVector& a) const;
  bool operator != (const ComplexColumnVector& a) const;

  // destructive insert/delete/reorder operations

  ComplexColumnVector& insert (const ColumnVector& a, octave_idx_type r);
  ComplexColumnVector& insert (const ComplexColumnVector& a, octave_idx_type r);

  ComplexColumnVector& fill (double val);
  ComplexColumnVector& fill (const Complex& val);
  ComplexColumnVector& fill (double val, octave_idx_type r1, octave_idx_type r2);
  ComplexColumnVector& fill (const Complex& val, octave_idx_type r1, octave_idx_type r2);

  ComplexColumnVector stack (const ColumnVector& a) const;
  ComplexColumnVector stack (const ComplexColumnVector& a) const;

  ComplexRowVector hermitian (void) const;
  ComplexRowVector transpose (void) const;

  friend ComplexColumnVector conj (const ComplexColumnVector& a);

  // resize is the destructive equivalent for this one

  ComplexColumnVector extract (octave_idx_type r1, octave_idx_type r2) const;

  ComplexColumnVector extract_n (octave_idx_type r1, octave_idx_type n) const;

  // column vector by column vector -> column vector operations

  ComplexColumnVector& operator += (const ColumnVector& a);
  ComplexColumnVector& operator -= (const ColumnVector& a);

  // matrix by column vector -> column vector operations

  friend ComplexColumnVector operator * (const ComplexMatrix& a,
					 const ColumnVector& b);

  friend ComplexColumnVector operator * (const ComplexMatrix& a,
					 const ComplexColumnVector& b);

  // matrix by column vector -> column vector operations

  friend ComplexColumnVector operator * (const Matrix& a,
					 const ComplexColumnVector& b);

  // diagonal matrix by column vector -> column vector operations

  friend ComplexColumnVector operator * (const DiagMatrix& a,
					 const ComplexColumnVector& b);

  friend ComplexColumnVector operator * (const ComplexDiagMatrix& a,
					 const ColumnVector& b);

  friend ComplexColumnVector operator * (const ComplexDiagMatrix& a,
					 const ComplexColumnVector& b);

  // other operations

  typedef double (*dmapper) (const Complex&);
  typedef Complex (*cmapper) (const Complex&);

  ColumnVector map (dmapper fcn) const;
  ComplexColumnVector map (cmapper fcn) const;

  Complex min (void) const;
  Complex max (void) const;

  // i/o

  friend std::ostream& operator << (std::ostream& os, const ComplexColumnVector& a);
  friend std::istream& operator >> (std::istream& is, ComplexColumnVector& a);

private:

  ComplexColumnVector (Complex *d, octave_idx_type l) : MArray<Complex> (d, l) { }
};

MARRAY_FORWARD_DEFS (MArray, ComplexColumnVector, Complex)

#endif

/*
;;; Local Variables: ***
;;; mode: C++ ***
;;; End: ***
*/