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//
// Copyright (C) 1994-2026 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.
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////////////////////////////////////////////////////////////////////////

#if ! defined (octave_dRowVector_h)
#define octave_dRowVector_h 1

#include "octave-config.h"

#include "MArray.h"
#include "mx-defs.h"

class OCTAVE_API RowVector : public MArray<double>
{
public:

  RowVector () : MArray<double> (dim_vector (1, 0)) { }

  explicit RowVector (octave_idx_type n)
    : MArray<double> (dim_vector (1, n)) { }

  explicit RowVector (const dim_vector& dv) : MArray<double> (dv.as_row ()) { }

  RowVector (octave_idx_type n, double val)
    : MArray<double> (dim_vector (1, n), val) { }

  RowVector (const RowVector& a) : MArray<double> (a) { }

  RowVector (const MArray<double>& a) : MArray<double> (a.as_row ()) { }

  RowVector (const Array<double>& a) : MArray<double> (a.as_row ()) { }

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

  ~RowVector () = default;

  OCTAVE_API bool operator == (const RowVector& a) const;
  OCTAVE_API bool operator != (const RowVector& a) const;

  // destructive insert/delete/reorder operations

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

  OCTAVE_API RowVector& fill (double val);
  OCTAVE_API RowVector& fill (double val, octave_idx_type c1, octave_idx_type c2);

  OCTAVE_API RowVector append (const RowVector& a) const;

  OCTAVE_API ColumnVector transpose () const;

  friend OCTAVE_API RowVector real (const ComplexRowVector& a);
  friend OCTAVE_API RowVector imag (const ComplexRowVector& a);

  // resize is the destructive equivalent for this one

  OCTAVE_API RowVector extract (octave_idx_type c1, octave_idx_type c2) const;

  OCTAVE_API RowVector extract_n (octave_idx_type c1, octave_idx_type n) const;

  // row vector by matrix -> row vector

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

  // other operations

  OCTAVE_API double min () const;
  OCTAVE_API double max () const;

  // i/o

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

  void resize (octave_idx_type n, const double& rfv = 0)
  {
    Array<double>::resize (dim_vector (1, n), rfv);
  }

  void clear (octave_idx_type n)
  { Array<double>::clear (1, n); }

};

// row vector by column vector -> scalar

OCTAVE_API double operator * (const RowVector& a, const ColumnVector& b);

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

// other operations

OCTAVE_API RowVector linspace (double x1, double x2, octave_idx_type n);

MARRAY_FORWARD_DEFS (MArray, RowVector, double)

#endif
