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@@ -0,0 +1,205 @@
+// Template array classes                              -*- 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 implementation
+#endif
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <cassert>
+
+#include <iostream.h>
+
+#include "Array2.h"
+
+#if defined (HEAVYWEIGHT_INDEXING)
+#include "idx-vector.h"
+#include "Array2-idx.h"
+#endif
+
+#include "lo-error.h"
+
+// Two dimensional array class.
+
+template <class T>
+T&
+Array2<T>::checkelem (int i, int j)
+{
+  if (i < 0 || j < 0 || i >= d1 || j >= d2)
+    {
+      (*current_liboctave_error_handler) ("range error");
+      static T foo;
+      return foo;
+    }
+  return Array<T>::elem (d1*j+i);
+}
+
+template <class T>
+T
+Array2<T>::elem (int i, int j) const
+{
+  return Array<T>::elem (d1*j+i);
+}
+
+template <class T>
+T
+Array2<T>::checkelem (int i, int j) const
+{
+  if (i < 0 || j < 0 || i >= d1 || j >= d2)
+    {
+      (*current_liboctave_error_handler) ("range error");
+      T foo;
+      static T *bar = &foo;
+      return foo;
+    }
+  return Array<T>::elem (d1*j+i);
+}
+
+template <class T>
+T
+Array2<T>::operator () (int i, int j) const
+{
+  if (i < 0 || j < 0 || i >= d1 || j >= d2)
+    {
+      (*current_liboctave_error_handler) ("range error");
+      T foo;
+      static T *bar = &foo;
+      return foo;
+    }
+  return Array<T>::elem (d1*j+i);
+}
+
+template <class T>
+void
+Array2<T>::resize (int r, int c)
+{
+  if (r < 0 || c < 0)
+    {
+      (*current_liboctave_error_handler) ("can't resize to negative dimension");
+      return;
+    }
+
+  if (r == dim1 () && c == dim2 ())
+    return;
+
+  ArrayRep *old_rep = rep;
+  const T *old_data = data ();
+
+  int old_d1 = dim1 ();
+  int old_d2 = dim2 ();
+  int old_len = length ();
+
+  rep = new ArrayRep (r*c);
+
+  d1 = r;
+  d2 = c;
+
+  if (old_data && old_len > 0)
+    {
+      int min_r = old_d1 < r ? old_d1 : r;
+      int min_c = old_d2 < c ? old_d2 : c;
+
+      for (int j = 0; j < min_c; j++)
+	for (int i = 0; i < min_r; i++)
+	  xelem (i, j) = old_data[old_d1*j+i];
+    }
+
+  if (--old_rep->count <= 0)
+    delete old_rep;
+}
+
+template <class T>
+void
+Array2<T>::resize (int r, int c, const T& val)
+{
+  if (r < 0 || c < 0)
+    {
+      (*current_liboctave_error_handler) ("can't resize to negative dimension");
+      return;
+    }
+
+  if (r == dim1 () && c == dim2 ())
+    return;
+
+  ArrayRep *old_rep = rep;
+  const T *old_data = data ();
+  int old_d1 = dim1 ();
+  int old_d2 = dim2 ();
+  int old_len = length ();
+
+  rep = new ArrayRep (r*c);
+
+  d1 = r;
+  d2 = c;
+
+  int min_r = old_d1 < r ? old_d1 : r;
+  int min_c = old_d2 < c ? old_d2 : c;
+
+  if (old_data && old_len > 0)
+    {
+      for (int j = 0; j < min_c; j++)
+	for (int i = 0; i < min_r; i++)
+	  xelem (i, j) = old_data[old_d1*j+i];
+    }
+
+  for (int j = 0; j < min_c; j++)
+    for (int i = min_r; i < r; i++)
+      xelem (i, j) = val;
+
+  for (int j = min_c; j < c; j++)
+    for (int i = 0; i < r; i++)
+      xelem (i, j) = val;
+
+  if (--old_rep->count <= 0)
+    delete old_rep;
+}
+
+template <class T>
+Array2<T>&
+Array2<T>::insert (const Array2<T>& a, int r, int c)
+{
+  int a_rows = a.rows ();
+  int a_cols = a.cols ();
+
+  if (r < 0 || r + a_rows > rows () || c < 0 || c + a_cols > cols ())
+    {
+      (*current_liboctave_error_handler) ("range error for insert");
+      return *this;
+    }
+
+  for (int j = 0; j < a_cols; j++)
+    for (int i = 0; i < a_rows; i++)
+      elem (r+i, c+j) = a.elem (i, j);
+
+  return *this;
+}
+
+/*
+;;; Local Variables: ***
+;;; mode: C++ ***
+;;; page-delimiter: "^/\\*" ***
+;;; End: ***
+*/