view liboctave/CRowVector.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 66970dd627f6
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_ComplexRowVector_h)
#define octave_ComplexRowVector_h 1

#include "MArray.h"

#include "mx-defs.h"

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

public:

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

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

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

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

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

  explicit ComplexRowVector (const RowVector& a);

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

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

  // destructive insert/delete/reorder operations

  ComplexRowVector& insert (const RowVector& a, octave_idx_type c);
  ComplexRowVector& insert (const ComplexRowVector& a, octave_idx_type c);

  ComplexRowVector& fill (double val);
  ComplexRowVector& fill (const Complex& val);
  ComplexRowVector& fill (double val, octave_idx_type c1, octave_idx_type c2);
  ComplexRowVector& fill (const Complex& val, octave_idx_type c1, octave_idx_type c2);

  ComplexRowVector append (const RowVector& a) const;
  ComplexRowVector append (const ComplexRowVector& a) const;

  ComplexColumnVector hermitian (void) const;
  ComplexColumnVector transpose (void) const;

  friend ComplexRowVector conj (const ComplexRowVector& a);

  // resize is the destructive equivalent for this one

  ComplexRowVector extract (octave_idx_type c1, octave_idx_type c2) const;

  ComplexRowVector extract_n (octave_idx_type c1, octave_idx_type n) const;

  // row vector by row vector -> row vector operations

  ComplexRowVector& operator += (const RowVector& a);
  ComplexRowVector& operator -= (const RowVector& a);

  // row vector by matrix -> row vector

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

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

  // other operations

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

  RowVector map (dmapper fcn) const;
  ComplexRowVector map (cmapper fcn) const;

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

  // i/o

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

private:

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

// row vector by column vector -> scalar

Complex operator * (const ComplexRowVector& a, const ColumnVector& b);

Complex operator * (const ComplexRowVector& a, const ComplexColumnVector& b);

// other operations

OCTAVE_API ComplexRowVector linspace (const Complex& x1, const Complex& x2, octave_idx_type n);

MARRAY_FORWARD_DEFS (MArray, ComplexRowVector, Complex)

#endif

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