// Template array classes with like-type math ops          -*- C++ -*-
/*

Copyright (C) 1996 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 2, 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, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/

#if defined (__GNUG__)
#pragma interface
#endif

#if !defined (octave_MArray2_h)
#define octave_MArray2_h 1

#include "Array2.h"

// Two dimensional array with math ops.

template <class T>
class MArray2 : public Array2<T>
{
protected:

  MArray2 (T *d, int n, int m) : Array2<T> (d, n, m) { }

public:

  MArray2 (void) : Array2<T> () { }
  MArray2 (int n, int m) : Array2<T> (n, m) { }
  MArray2 (int n, int m, const T& val) : Array2<T> (n, m, val) { }
  MArray2 (const Array2<T>& a) : Array2<T> (a) { }
  MArray2 (const MArray2<T>& a) : Array2<T> (a) { }

  ~MArray2 (void) { }

  MArray2<T>& operator = (const MArray2<T>& a)
    {
      Array2<T>::operator = (a);
      return *this;
    }

  // element by element MArray2 by scalar ops

  friend MArray2<T>& operator += (MArray2<T>& a, const T& s);
  friend MArray2<T>& operator -= (MArray2<T>& a, const T& s);

  // element by element MArray2 by MArray2 ops

  friend MArray2<T>& operator += (MArray2<T>& a, const MArray2<T>& b);
  friend MArray2<T>& operator -= (MArray2<T>& a, const MArray2<T>& b);

  // element by element MArray2 by scalar ops

  friend MArray2<T> operator + (const MArray2<T>& a, const T& s);
  friend MArray2<T> operator - (const MArray2<T>& a, const T& s);
  friend MArray2<T> operator * (const MArray2<T>& a, const T& s);
  friend MArray2<T> operator / (const MArray2<T>& a, const T& s);

  // element by element scalar by MArray2 ops

  friend MArray2<T> operator + (const T& s, const MArray2<T>& a);
  friend MArray2<T> operator - (const T& s, const MArray2<T>& a);
  friend MArray2<T> operator * (const T& s, const MArray2<T>& a);
  friend MArray2<T> operator / (const T& s, const MArray2<T>& a);

  // element by element MArray2 by MArray2 ops

  friend MArray2<T> operator + (const MArray2<T>& a, const MArray2<T>& b);
  friend MArray2<T> operator - (const MArray2<T>& a, const MArray2<T>& b);

  friend MArray2<T> product (const MArray2<T>& a, const MArray2<T>& b);
  friend MArray2<T> quotient (const MArray2<T>& a, const MArray2<T>& b);

  friend MArray2<T> operator - (const MArray2<T>& a);
};

#define INSTANTIATE_MARRAY2_FRIENDS(T) \
  template MArray2<T>& operator += (MArray2<T>& a, const T& s); \
  template MArray2<T>& operator -= (MArray2<T>& a, const T& s); \
  template MArray2<T>& operator += (MArray2<T>& a, const MArray2<T>& b); \
  template MArray2<T>& operator -= (MArray2<T>& a, const MArray2<T>& b); \
  template MArray2<T> operator + (const MArray2<T>& a, const T& s); \
  template MArray2<T> operator - (const MArray2<T>& a, const T& s); \
  template MArray2<T> operator * (const MArray2<T>& a, const T& s); \
  template MArray2<T> operator / (const MArray2<T>& a, const T& s); \
  template MArray2<T> operator + (const T& s, const MArray2<T>& a); \
  template MArray2<T> operator - (const T& s, const MArray2<T>& a); \
  template MArray2<T> operator * (const T& s, const MArray2<T>& a); \
  template MArray2<T> operator / (const T& s, const MArray2<T>& a); \
  template MArray2<T> operator + (const MArray2<T>& a, const MArray2<T>& b); \
  template MArray2<T> operator - (const MArray2<T>& a, const MArray2<T>& b); \
  template MArray2<T> product (const MArray2<T>& a, const MArray2<T>& b); \
  template MArray2<T> quotient (const MArray2<T>& a, const MArray2<T>& b); \
  template MArray2<T> operator - (const MArray2<T>& a);

#endif

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