new file mode 100644
--- /dev/null
+++ b/src/ov-bool-sparse.h
@@ -0,0 +1,149 @@
+/*
+
+Copyright (C) 2004 David Bateman
+Copyright (C) 1998-2004 Andy Adler
+
+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 this program; 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_sparse_bool_matrix_h)
+#define octave_sparse_bool_matrix_h 1
+
+#include <cstdlib>
+
+#include <iostream>
+#include <string>
+
+#include "mx-base.h"
+#include "oct-alloc.h"
+#include "so-array.h"
+#include "str-vec.h"
+
+#include "error.h"
+#include "oct-stream.h"
+#include "ov-base.h"
+#include "ov-typeinfo.h"
+
+#include "boolSparse.h"
+#include "ov-base-sparse.h"
+#include "ov-re-sparse.h"
+
+class Octave_map;
+class octave_value_list;
+
+class tree_walker;
+
+class
+octave_sparse_bool_matrix : public octave_base_sparse<SparseBoolMatrix>
+{
+public:
+
+  octave_sparse_bool_matrix (void)
+    : octave_base_sparse<SparseBoolMatrix> () { }
+
+  octave_sparse_bool_matrix (const SparseBoolMatrix& bnda)
+    : octave_base_sparse<SparseBoolMatrix> (bnda) { }
+
+  octave_sparse_bool_matrix (const SparseBoolMatrix& bnda,
+			     const SparseType& t)
+    : octave_base_sparse<SparseBoolMatrix> (bnda, t) { }
+
+  octave_sparse_bool_matrix (const boolNDArray& m)
+    : octave_base_sparse<SparseBoolMatrix> (SparseBoolMatrix (m)) { }
+
+  octave_sparse_bool_matrix (const boolMatrix& m)
+    : octave_base_sparse<SparseBoolMatrix> (SparseBoolMatrix (m)) { }
+
+  octave_sparse_bool_matrix (const Sparse<bool>& a)
+    : octave_base_sparse<SparseBoolMatrix> (a) { }
+
+  octave_sparse_bool_matrix (const octave_sparse_bool_matrix& bm)
+    : octave_base_sparse<SparseBoolMatrix> (bm) { }
+
+  ~octave_sparse_bool_matrix (void) { }
+
+  octave_value *clone (void) const { return new octave_sparse_bool_matrix (*this); }
+  octave_value *empty_clone (void) const { return new octave_sparse_bool_matrix (); }
+
+  type_conv_fcn numeric_conversion_function (void) const;
+
+  octave_value *try_narrowing_conversion (void);
+
+#if 0
+  idx_vector index_vector (void) const { return idx_vector (matrix); }
+#endif
+
+  bool is_bool_matrix (void) const { return true; }
+
+  bool is_bool_type (void) const { return true; }
+
+  bool is_real_type (void) const { return true; }
+
+  bool valid_as_scalar_index (void) const;
+
+  double double_value (bool = false) const;
+
+  double scalar_value (bool frc_str_conv = false) const
+    { return double_value (frc_str_conv); }
+
+  Matrix matrix_value (bool = false) const;
+
+  NDArray array_value (bool = false) const;
+
+  Complex complex_value (bool = false) const;
+
+  ComplexMatrix complex_matrix_value (bool = false) const;
+
+  ComplexNDArray complex_array_value (bool = false) const;
+
+  boolMatrix bool_matrix_value (void) const;
+
+  boolNDArray bool_array_value (void) const;
+
+  SparseMatrix sparse_matrix_value (void) const;
+
+  SparseComplexMatrix sparse_complex_matrix_value (void) const;
+
+  SparseBoolMatrix sparse_bool_matrix_value (void) const
+    { return matrix; }
+
+  octave_value convert_to_str_internal (bool pad, bool force) const;
+
+  bool save_binary (std::ostream& os, bool& save_as_floats);
+
+  bool load_binary (std::istream& is, bool swap, 
+		    oct_mach_info::float_format fmt);
+
+#if defined (HAVE_HDF5)
+  bool save_hdf5 (hid_t loc_id, const char *name, bool save_as_floats);
+
+  bool load_hdf5 (hid_t loc_id, const char *name, bool have_h5giterate_bug);
+#endif
+
+protected:
+
+  DECLARE_OCTAVE_ALLOCATOR
+
+  DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA
+};
+
+#endif
+
+/*
+;;; Local Variables: ***
+;;; mode: C++ ***
+;;; End: ***
+*/