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+/*
+
+Copyright (C) 2011 Jordi Gutiérrez Hermoso <jordigh@octave.org>
+
+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/>.
+
+*/
+
+#include <algorithm>
+
+#include "Array.h"
+#include "dim-vector.h"
+
+#include "bsxfun-defs.cc"
+
+inline
+bool
+is_valid_bsxfun (const dim_vector& dx, const dim_vector& dy)
+{
+  for (int i = 0; i < std::min (dx.length (), dy.length ()); i++)
+    {
+      if ( dx(i) > 1 && dy(i) > 1 && dx(i) != dy(i))
+        return false;
+    }
+  return true;
+}