new file mode 100644
--- /dev/null
+++ b/liboctave/boolMatrix.cc
@@ -0,0 +1,82 @@
+// Matrix manipulations.
+/*
+
+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 <iostream.h>
+
+#include "lo-error.h"
+#include "str-vec.h"
+#include "mx-base.h"
+#include "mx-inlines.cc"
+
+// boolMatrix class.
+
+bool
+boolMatrix::operator == (const boolMatrix& a) const
+{
+  if (rows () != a.rows () || cols () != a.cols ())
+    return 0;
+
+  return equal (data (), a.data (), length ());
+}
+
+bool
+boolMatrix::operator != (const boolMatrix& a) const
+{
+  return !(*this == a);
+}
+
+boolMatrix&
+boolMatrix::insert (const boolMatrix& a, int r, int c)
+{
+  Array2<bool>::insert (a, r, c);
+  return *this;
+}
+
+boolMatrix
+boolMatrix::transpose (void) const
+{
+  int nr = rows ();
+  int nc = cols ();
+  boolMatrix result (nc, nr);
+  if (length () > 0)
+    {
+      for (int j = 0; j < nc; j++)
+	for (int i = 0; i < nr; i++)
+	  result.elem (j, i) = elem (i, j);
+    }
+  return result;
+}
+
+/*
+;;; Local Variables: ***
+;;; mode: C++ ***
+;;; End: ***
+*/