Incomplete work for using Boost.Polygon to compute medial axis

xs/src/boost/mpl/quote.hpp

@@ -0,0 +1,151 @@
+
+#if !defined(BOOST_PP_IS_ITERATING)
+
+///// header body
+
+#ifndef BOOST_MPL_QUOTE_HPP_INCLUDED
+#define BOOST_MPL_QUOTE_HPP_INCLUDED
+
+// Copyright Aleksey Gurtovoy 2000-2008
+//
+// 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: quote.hpp 49272 2008-10-11 06:50:46Z agurtovoy $
+// $Date: 2008-10-10 23:50:46 -0700 (Fri, 10 Oct 2008) $
+// $Revision: 49272 $
+
+#if !defined(BOOST_MPL_PREPROCESSING_MODE)
+#   include <boost/mpl/void.hpp>
+#   include <boost/mpl/aux_/has_type.hpp>
+#endif
+
+#include <boost/mpl/aux_/config/bcc.hpp>
+#include <boost/mpl/aux_/config/ttp.hpp>
+
+#if defined(BOOST_MPL_CFG_NO_TEMPLATE_TEMPLATE_PARAMETERS) \
+    && !defined(BOOST_MPL_CFG_BCC590_WORKAROUNDS)
+#   define BOOST_MPL_CFG_NO_QUOTE_TEMPLATE
+#endif
+
+#if !defined(BOOST_MPL_CFG_NO_IMPLICIT_METAFUNCTIONS) \
+    && defined(BOOST_MPL_CFG_NO_HAS_XXX)
+#   define BOOST_MPL_CFG_NO_IMPLICIT_METAFUNCTIONS
+#endif
+
+#include <boost/mpl/aux_/config/use_preprocessed.hpp>
+
+#if !defined(BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS) \
+ && !defined(BOOST_MPL_PREPROCESSING_MODE)
+
+#   define BOOST_MPL_PREPROCESSED_HEADER quote.hpp
+#   include <boost/mpl/aux_/include_preprocessed.hpp>
+
+#else
+
+#   include <boost/mpl/limits/arity.hpp>
+#   include <boost/mpl/aux_/preprocessor/params.hpp>
+#   include <boost/mpl/aux_/config/ctps.hpp>
+#   include <boost/mpl/aux_/config/workaround.hpp>
+
+#   include <boost/preprocessor/iterate.hpp>
+#   include <boost/preprocessor/cat.hpp>
+
+#if !defined(BOOST_MPL_CFG_NO_QUOTE_TEMPLATE)
+
+namespace boost { namespace mpl {
+
+#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
+
+template< typename T, bool has_type_ >
+struct quote_impl
+// GCC has a problem with metafunction forwarding when T is a
+// specialization of a template called 'type'.
+# if BOOST_WORKAROUND(__GNUC__, BOOST_TESTED_AT(4)) \
+    && BOOST_WORKAROUND(__GNUC_MINOR__, BOOST_TESTED_AT(0)) \
+    && BOOST_WORKAROUND(__GNUC_PATCHLEVEL__, BOOST_TESTED_AT(2))
+{
+    typedef typename T::type type;
+};
+# else 
+    : T
+{
+};
+# endif 
+
+template< typename T >
+struct quote_impl<T,false>
+{
+    typedef T type;
+};
+
+#else // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
+
+template< bool > struct quote_impl
+{
+    template< typename T > struct result_
+        : T
+    {
+    };
+};
+
+template<> struct quote_impl<false>
+{
+    template< typename T > struct result_
+    {
+        typedef T type;
+    };
+};
+
+#endif 
+
+#define BOOST_PP_ITERATION_PARAMS_1 \
+    (3,(1, BOOST_MPL_LIMIT_METAFUNCTION_ARITY, <boost/mpl/quote.hpp>))
+#include BOOST_PP_ITERATE()
+
+}}
+
+#endif // BOOST_MPL_CFG_NO_QUOTE_TEMPLATE
+
+#endif // BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS
+#endif // BOOST_MPL_QUOTE_HPP_INCLUDED
+
+///// iteration
+
+#else
+#define i_ BOOST_PP_FRAME_ITERATION(1)
+
+template<
+      template< BOOST_MPL_PP_PARAMS(i_, typename P) > class F
+    , typename Tag = void_
+    >
+struct BOOST_PP_CAT(quote,i_)
+{
+    template< BOOST_MPL_PP_PARAMS(i_, typename U) > struct apply
+#if defined(BOOST_MPL_CFG_BCC590_WORKAROUNDS)
+    {
+        typedef typename quote_impl<
+              F< BOOST_MPL_PP_PARAMS(i_, U) >
+            , aux::has_type< F< BOOST_MPL_PP_PARAMS(i_, U) > >::value
+            >::type type;
+    };
+#elif !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
+        : quote_impl<
+              F< BOOST_MPL_PP_PARAMS(i_, U) >
+            , aux::has_type< F< BOOST_MPL_PP_PARAMS(i_, U) > >::value
+            >
+    {
+    };
+#else
+        : quote_impl< aux::has_type< F< BOOST_MPL_PP_PARAMS(i_, U) > >::value >
+            ::template result_< F< BOOST_MPL_PP_PARAMS(i_, U) > >
+    {
+    };
+#endif
+};
+
+#undef i_
+#endif // BOOST_PP_IS_ITERATING