new file mode 100644
--- /dev/null
+++ b/liboctave/MArray2.h
@@ -0,0 +1,115 @@
+// 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 + (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
+
+/*
+;;; Local Variables: ***
+;;; mode: C++ ***
+;;; page-delimiter: "^/\\*" ***
+;;; End: ***
+*/