new file mode 100644
--- /dev/null
+++ b/liboctave/bsxfun-decl.h
@@ -0,0 +1,50 @@
+/*
+
+Copyright (C) 2009 Jaroslav Hajek
+Copyright (C) 2009 VZLU Prague
+
+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 3 of the License, 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, see
+<http://www.gnu.org/licenses/>.
+
+*/
+
+#if !defined (octave_bsxfun_decl_h)
+#define octave_bsxfun_decl_h 1
+
+#define BSXFUN_OP_DECL(OP, ARRAY, API) \
+extern API ARRAY bsxfun_ ## OP (const ARRAY&, const ARRAY&);
+
+#define BSXFUN_REL_DECL(OP, ARRAY, API) \
+extern API boolNDArray bsxfun_ ## OP (const ARRAY&, const ARRAY&);
+
+#define BSXFUN_STDOP_DECLS(ARRAY, API) \
+  BSXFUN_OP_DECL (add, ARRAY, API) \
+  BSXFUN_OP_DECL (sub, ARRAY, API) \
+  BSXFUN_OP_DECL (mul, ARRAY, API) \
+  BSXFUN_OP_DECL (div, ARRAY, API) \
+  BSXFUN_OP_DECL (pow, ARRAY, API) \
+  BSXFUN_OP_DECL (min, ARRAY, API) \
+  BSXFUN_OP_DECL (max, ARRAY, API)
+
+#define BSXFUN_STDREL_DECLS(ARRAY, API) \
+  BSXFUN_REL_DECL (eq, ARRAY, API) \
+  BSXFUN_REL_DECL (ne, ARRAY, API) \
+  BSXFUN_REL_DECL (lt, ARRAY, API) \
+  BSXFUN_REL_DECL (le, ARRAY, API) \
+  BSXFUN_REL_DECL (gt, ARRAY, API) \
+  BSXFUN_REL_DECL (ge, ARRAY, API) \
+
+#endif