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////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 1994-2025 The Octave Project Developers
//
// See the file COPYRIGHT.md in the top-level directory of this
// distribution or <https://octave.org/copyright/>.
//
// 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
// <https://www.gnu.org/licenses/>.
//
////////////////////////////////////////////////////////////////////////
#if ! defined (octave_dColVector_h)
#define octave_dColVector_h 1
#include "octave-config.h"
#include "MArray.h"
#include "mx-defs.h"
class OCTAVE_API ColumnVector : public MArray<double>
{
public:
ColumnVector () : MArray<double> (dim_vector (0, 1)) { }
explicit ColumnVector (octave_idx_type n)
: MArray<double> (dim_vector (n, 1)) { }
explicit ColumnVector (const dim_vector& dv)
: MArray<double> (dv.as_column ()) { }
ColumnVector (octave_idx_type n, double val)
: MArray<double> (dim_vector (n, 1), val) { }
ColumnVector (const ColumnVector& a) : MArray<double> (a) { }
ColumnVector (const MArray<double>& a) : MArray<double> (a.as_column ()) { }
ColumnVector (const Array<double>& a) : MArray<double> (a.as_column ()) { }
ColumnVector& operator = (const ColumnVector& a)
{
MArray<double>::operator = (a);
return *this;
}
~ColumnVector () = default;
OCTAVE_API bool operator == (const ColumnVector& a) const;
OCTAVE_API bool operator != (const ColumnVector& a) const;
// destructive insert/delete/reorder operations
OCTAVE_API ColumnVector& insert (const ColumnVector& a, octave_idx_type r);
OCTAVE_API ColumnVector& fill (double val);
OCTAVE_API ColumnVector&
fill (double val, octave_idx_type r1, octave_idx_type r2);
OCTAVE_API ColumnVector stack (const ColumnVector& a) const;
OCTAVE_API RowVector transpose () const;
friend OCTAVE_API ColumnVector real (const ComplexColumnVector& a);
friend OCTAVE_API ColumnVector imag (const ComplexColumnVector& a);
// resize is the destructive equivalent for this one
OCTAVE_API ColumnVector
extract (octave_idx_type r1, octave_idx_type r2) const;
OCTAVE_API ColumnVector
extract_n (octave_idx_type r1, octave_idx_type n) const;
// matrix by column vector -> column vector operations
friend OCTAVE_API ColumnVector operator * (const Matrix& a,
const ColumnVector& b);
// diagonal matrix by column vector -> column vector operations
friend OCTAVE_API ColumnVector operator * (const DiagMatrix& a,
const ColumnVector& b);
// other operations
OCTAVE_API double min () const;
OCTAVE_API double max () const;
OCTAVE_API ColumnVector abs () const;
// i/o
friend OCTAVE_API std::ostream& operator << (std::ostream& os,
const ColumnVector& a);
friend OCTAVE_API std::istream& operator >> (std::istream& is,
ColumnVector& a);
void resize (octave_idx_type n, const double& rfv = 0)
{
Array<double>::resize (dim_vector (n, 1), rfv);
}
void clear (octave_idx_type n)
{ Array<double>::clear (n, 1); }
};
// Publish externally used friend functions.
extern OCTAVE_API ColumnVector real (const ComplexColumnVector& a);
extern OCTAVE_API ColumnVector imag (const ComplexColumnVector& a);
MARRAY_FORWARD_DEFS (MArray, ColumnVector, double)
#endif
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