blob: 3d1435511578c27a00c66a7786720cd8b8d16024 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
//---------------------------------------------------------------------------//
// 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
|