view liboctave/fCRowVector.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
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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_FloatComplexRowVector_h)
#define octave_FloatComplexRowVector_h 1

#include "MArray.h"

#include "mx-defs.h"

class
OCTAVE_API
FloatComplexRowVector : public MArray<FloatComplex>
{
friend class FloatComplexColumnVector;

public:

  FloatComplexRowVector (void) : MArray<FloatComplex> () { }

  explicit FloatComplexRowVector (octave_idx_type n) : MArray<FloatComplex> (n) { }

  FloatComplexRowVector (octave_idx_type n, const FloatComplex& val) : MArray<FloatComplex> (n, val) { }

  FloatComplexRowVector (const FloatComplexRowVector& a) : MArray<FloatComplex> (a) { }

  FloatComplexRowVector (const MArray<FloatComplex>& a) : MArray<FloatComplex> (a) { }

  explicit FloatComplexRowVector (const FloatRowVector& a);

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

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

  // destructive insert/delete/reorder operations

  FloatComplexRowVector& insert (const FloatRowVector& a, octave_idx_type c);
  FloatComplexRowVector& insert (const FloatComplexRowVector& a, octave_idx_type c);

  FloatComplexRowVector& fill (float val);
  FloatComplexRowVector& fill (const FloatComplex& val);
  FloatComplexRowVector& fill (float val, octave_idx_type c1, octave_idx_type c2);
  FloatComplexRowVector& fill (const FloatComplex& val, octave_idx_type c1, octave_idx_type c2);

  FloatComplexRowVector append (const FloatRowVector& a) const;
  FloatComplexRowVector append (const FloatComplexRowVector& a) const;

  FloatComplexColumnVector hermitian (void) const;
  FloatComplexColumnVector transpose (void) const;

  friend FloatComplexRowVector conj (const FloatComplexRowVector& a);

  // resize is the destructive equivalent for this one

  FloatComplexRowVector extract (octave_idx_type c1, octave_idx_type c2) const;

  FloatComplexRowVector extract_n (octave_idx_type c1, octave_idx_type n) const;

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

  FloatComplexRowVector& operator += (const FloatRowVector& a);
  FloatComplexRowVector& operator -= (const FloatRowVector& a);

  // row vector by matrix -> row vector

  friend FloatComplexRowVector operator * (const FloatComplexRowVector& a,
				      const FloatComplexMatrix& b);

  friend FloatComplexRowVector operator * (const FloatRowVector& a,
				      const FloatComplexMatrix& b);

  // other operations

  typedef float (*dmapper) (const FloatComplex&);
  typedef FloatComplex (*cmapper) (const FloatComplex&);

  FloatRowVector map (dmapper fcn) const;
  FloatComplexRowVector map (cmapper fcn) const;

  FloatComplex min (void) const;
  FloatComplex max (void) const;

  // i/o

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

private:

  FloatComplexRowVector (FloatComplex *d, octave_idx_type l) : MArray<FloatComplex> (d, l) { }
};

// row vector by column vector -> scalar

FloatComplex operator * (const FloatComplexRowVector& a, const ColumnVector& b);

FloatComplex operator * (const FloatComplexRowVector& a, const FloatComplexColumnVector& b);

// other operations

OCTAVE_API FloatComplexRowVector linspace (const FloatComplex& x1, const FloatComplex& x2, octave_idx_type n);

MARRAY_FORWARD_DEFS (MArray, FloatComplexRowVector, FloatComplex)

#endif

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