--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imgtools/imglib/boostlibrary/boost/concept/detail/msvc.hpp	Mon May 10 19:54:49 2010 +0100
@@ -0,0 +1,92 @@
+// Copyright David Abrahams 2006. 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)
+#ifndef BOOST_CONCEPT_CHECK_MSVC_DWA2006429_HPP
+# define BOOST_CONCEPT_CHECK_MSVC_DWA2006429_HPP
+
+# include <boost/preprocessor/cat.hpp>
+
+# ifdef BOOST_OLD_CONCEPT_SUPPORT
+#  include <boost/concept/detail/has_constraints.hpp>
+#  include <boost/mpl/if.hpp>
+# endif
+
+
+namespace boost { namespace concept {
+
+template <class Model>
+struct check
+{
+    virtual void failed(Model* x)
+    {
+        x->~Model();
+    }
+};
+  
+# ifdef BOOST_OLD_CONCEPT_SUPPORT
+  
+namespace detail
+{
+  // No need for a virtual function here, since evaluating
+  // not_satisfied below will have already instantiated the
+  // constraints() member.
+  struct constraint {};
+}
+
+template <class Model>
+struct require
+  : mpl::if_c<
+        not_satisfied<Model>::value
+      , detail::constraint
+      , check<Model>
+        >::type
+{};
+      
+# else
+  
+template <class Model>
+struct require
+  : check<Model>
+{};
+  
+# endif
+    
+# if BOOST_WORKAROUND(BOOST_MSVC, == 1310)
+
+//
+// The iterator library sees some really strange errors unless we
+// do things this way.
+//
+template <class Model>
+struct require<void(*)(Model)>
+{
+    virtual void failed(Model*)
+    {
+        require<Model>();
+    }
+};
+
+# define BOOST_CONCEPT_ASSERT_FN( ModelFnPtr )      \
+enum                                                \
+{                                                   \
+    BOOST_PP_CAT(boost_concept_check,__LINE__) =    \
+    sizeof(::boost::concept::require<ModelFnPtr>)    \
+}
+  
+# else // Not vc-7.1
+  
+template <class Model>
+require<Model>
+require_(void(*)(Model));
+  
+# define BOOST_CONCEPT_ASSERT_FN( ModelFnPtr )          \
+enum                                                    \
+{                                                       \
+    BOOST_PP_CAT(boost_concept_check,__LINE__) =        \
+      sizeof(::boost::concept::require_((ModelFnPtr)0)) \
+}
+  
+# endif
+}}
+
+#endif // BOOST_CONCEPT_CHECK_MSVC_DWA2006429_HPP