new file mode 100644
--- /dev/null
+++ b/src/ov-int64.h
@@ -0,0 +1,55 @@
+/*
+
+Copyright (C) 2004 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 (octave_int64_h)
+#define octave_int64_h 1
+
+#if defined (__GNUG__) && defined (USE_PRAGMA_INTERFACE_IMPLEMENTATION)
+#pragma interface
+#endif
+
+#define OCTAVE_VALUE_INT_MATRIX_T octave_int64_matrix
+#define OCTAVE_INT_NDARRAY_T int64NDArray
+#define OCTAVE_VALUE_INT_NDARRAY_EXTRACTOR_FUNCTION int64_array_value
+
+#define OCTAVE_VALUE_INT_SCALAR_T octave_int64_scalar
+#define OCTAVE_INT_T octave_int64
+#define OCTAVE_VALUE_INT_SCALAR_EXTRACTOR_FUNCTION int64_scalar_value
+
+#include "ov-intx.h"
+
+#undef OCTAVE_VALUE_INT_MATRIX_T
+#undef OCTAVE_INT_NDARRAY_T
+#undef OCTAVE_VALUE_INT_NDARRAY_EXTRACTOR_FUNCTION
+
+#undef OCTAVE_VALUE_INT_SCALAR_T
+#undef OCTAVE_INT_T
+#undef OCTAVE_VALUE_INT_SCALAR_EXTRACTOR_FUNCTION
+
+#endif
+
+/*
+;;; Local Variables: ***
+;;; mode: C++ ***
+;;; End: ***
+*/
+