Initial Commit

2018-02-08 21:28:33 -05:00
commit 678c1d3966
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+/*=============================================================================
+    Copyright (c) 2001-2011 Joel de Guzman
+    Copyright (c) 2005-2006 Dan Marsden
+
+    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)
+==============================================================================*/
+#if !defined(FUSION_ADVANCE_IMPL_13122005_1906)
+#define FUSION_ADVANCE_IMPL_13122005_1906
+
+#include <boost/fusion/support/config.hpp>
+#include <boost/fusion/iterator/advance.hpp>
+
+namespace boost { namespace fusion 
+{
+    struct transform_view_iterator_tag;
+    struct transform_view_iterator2_tag;
+
+    template<typename First, typename F>
+    struct transform_view_iterator;
+
+    template <typename First1, typename First2, typename F>
+    struct transform_view_iterator2;
+
+    namespace extension
+    {
+        template<typename Tag>
+        struct advance_impl;
+
+        // Unary Version
+        template<>
+        struct advance_impl<transform_view_iterator_tag>
+        {
+            template<typename Iterator, typename Dist>
+            struct apply
+            {
+                typedef typename Iterator::first_type first_type;
+                typedef typename result_of::advance<first_type, Dist>::type advanced_type;
+                typedef typename Iterator::transform_type transform_type;
+                typedef transform_view_iterator<advanced_type, transform_type> type;
+
+                BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
+                static type
+                call(Iterator const& i)
+                {
+                    return type(boost::fusion::advance<Dist>(i.first), i.f);
+                }
+            };
+        };
+
+        // Binary Version
+        template<>
+        struct advance_impl<transform_view_iterator2_tag>
+        {
+            template<typename Iterator, typename Dist>
+            struct apply
+            {
+                typedef typename Iterator::first1_type first1_type;
+                typedef typename Iterator::first2_type first2_type;
+                typedef typename result_of::advance<first1_type, Dist>::type advanced1_type;
+                typedef typename result_of::advance<first2_type, Dist>::type advanced2_type;
+                typedef typename Iterator::transform_type transform_type;
+                typedef transform_view_iterator2<advanced1_type, advanced2_type, transform_type> type;
+
+                BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
+                static type
+                call(Iterator const& i)
+                {
+                    return type(
+                        boost::fusion::advance<Dist>(i.first1)
+                      , boost::fusion::advance<Dist>(i.first2), i.f);
+                }
+            };
+        };
+    }
+}}
+
+#endif