2
0
mirror of https://github.com/boostorg/compute.git synced 2026-01-31 08:02:16 +00:00

Fix issues with gather() algorithm

This fixes some issues with the gather algorithm and also
adds another test for it.
This commit is contained in:
Kyle Lutz
2013-12-21 15:34:29 -08:00
parent 55783258e7
commit 0d9be38326
2 changed files with 47 additions and 14 deletions

View File

@@ -48,15 +48,15 @@ struct gather_kernel
} // end detail namespace
/// Copies the elements from the range [\p first, \p last) to the range
/// beginning at \p result using the input indices from the range beginning
/// at \p map.
/// Copies the elements using the indices from the range [\p first, \p last)
/// to the range beginning at \p result using the input values from the range
/// beginning at \p input.
///
/// \see scatter()
template<class InputIterator, class MapIterator, class OutputIterator>
inline void gather(InputIterator first,
InputIterator last,
MapIterator map,
inline void gather(MapIterator first,
MapIterator last,
InputIterator input,
OutputIterator result,
command_queue &queue = system::default_queue())
{
@@ -71,8 +71,8 @@ inline void gather(InputIterator first,
output_value_type>::source();
kernel kernel = kernel::create_with_source(source, "gather", context);
kernel.set_arg(0, first.get_buffer());
kernel.set_arg(1, map.get_buffer());
kernel.set_arg(0, input.get_buffer());
kernel.set_arg(1, first.get_buffer());
kernel.set_arg(2, result.get_buffer());
size_t offset = first.get_index();