Initial Commit

2018-02-08 21:28:33 -05:00
commit 678c1d3966
14352 changed files with 3176737 additions and 0 deletions
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+//---------------------------------------------------------------------------//
+// Copyright (c) 2013 Kyle Lutz <kyle.r.lutz@gmail.com>
+//
+// 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://boostorg.github.com/compute for more information.
+//---------------------------------------------------------------------------//
+
+#ifndef BOOST_COMPUTE_ITERATOR_DETAIL_GET_BASE_ITERATOR_BUFFER_HPP
+#define BOOST_COMPUTE_ITERATOR_DETAIL_GET_BASE_ITERATOR_BUFFER_HPP
+
+namespace boost {
+namespace compute {
+namespace detail {
+
+// returns the buffer for an iterator adaptor's base iterator if
+// it exists, otherwise returns a null buffer object.
+template<class Iterator>
+inline const buffer&
+get_base_iterator_buffer(const Iterator &iter,
+                         typename boost::enable_if<
+                             is_buffer_iterator<
+                                 typename Iterator::base_type
+                             >
+                         >::type* = 0)
+{
+    return iter.base().get_buffer();
+}
+
+template<class Iterator>
+inline const buffer&
+get_base_iterator_buffer(const Iterator &iter,
+                         typename boost::disable_if<
+                             is_buffer_iterator<
+                                 typename Iterator::base_type
+                             >
+                         >::type* = 0)
+{
+    (void) iter;
+
+    static buffer null_buffer;
+
+    return null_buffer;
+}
+
+} // end detail namespace
+} // end compute namespace
+} // end boost namespace
+
+#endif // BOOST_COMPUTE_ITERATOR_DETAIL_GET_BASE_ITERATOR_BUFFER_HPP