Incomplete work for using Boost.Polygon to compute medial axis

xs/src/boost/mpl/find.hpp

@@ -0,0 +1,38 @@
+
+#ifndef BOOST_MPL_FIND_HPP_INCLUDED
+#define BOOST_MPL_FIND_HPP_INCLUDED
+
+// Copyright Aleksey Gurtovoy 2000-2002
+//
+// Distributed under the Boost Software License, Version 1.0. 
+// (See accompanying file LICENSE_1_0.txt or copy at 
+// http://www.boost.org/LICENSE_1_0.txt)
+//
+// See http://www.boost.org/libs/mpl for documentation.
+
+// $Id: find.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
+// $Date: 2008-10-10 23:19:02 -0700 (Fri, 10 Oct 2008) $
+// $Revision: 49267 $
+
+#include <boost/mpl/find_if.hpp>
+#include <boost/mpl/same_as.hpp>
+#include <boost/mpl/aux_/na_spec.hpp>
+#include <boost/mpl/aux_/lambda_support.hpp>
+
+namespace boost { namespace mpl {
+
+template<
+      typename BOOST_MPL_AUX_NA_PARAM(Sequence)
+    , typename BOOST_MPL_AUX_NA_PARAM(T)
+    >
+struct find
+    : find_if< Sequence,same_as<T> >
+{
+    BOOST_MPL_AUX_LAMBDA_SUPPORT(2,find,(Sequence,T))
+};
+
+BOOST_MPL_AUX_NA_SPEC(2, find)
+
+}}
+
+#endif // BOOST_MPL_FIND_HPP_INCLUDED