Skip to content

Provide experimental callback to extract index from pair for convenience #1263

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Draft
aprokop wants to merge 1 commit into
base: master
Choose a base branch
from
Draft

Provide experimental callback to extract index from pair for convenience #1263

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
13 changes: 1 addition & 12 deletions examples/custom_distance/example_custom_distance.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -69,17 +69,6 @@ KOKKOS_FUNCTION auto distance(CustomPoint const &point,
return distance(point, projected_point);
}

// Callback to store the result indices
struct ExtractIndex
{
template <typename Query, typename Value, typename Output>
KOKKOS_FUNCTION void operator()(Query const &, Value const &value,
Output const &out) const
{
out(value.index);
}
};

int main(int argc, char *argv[])
{
Kokkos::ScopeGuard guard(argc, argv);
Expand Down Expand Up @@ -116,7 +105,7 @@ int main(int argc, char *argv[])
Kokkos::View<int *, MemorySpace> offsets("Example::offsets", 0);
Kokkos::View<int *, MemorySpace> indices("Example::indices", 0);
bvh.query(space, ArborX::Experimental::make_nearest(query_points, 2),
ExtractIndex{}, indices, offsets);
ArborX::Experimental::ExtractIndex{}, indices, offsets);

auto offsets_host =
Kokkos::create_mirror_view_and_copy(Kokkos::HostSpace{}, offsets);
Expand Down
16 changes: 16 additions & 0 deletions src/spatial/detail/ArborX_PairValueIndex.hpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,22 @@ struct PairValueIndex
Index index;
};

namespace Experimental
{
// Callback to store the result indices
struct ExtractIndex
{
template <typename Query, typename Value, typename Index, typename Output>
KOKKOS_FUNCTION void operator()(Query const &,
PairValueIndex<Value, Index> const &pair,
Output const &out) const
{
out(pair.index);
}
};

} // namespace Experimental

namespace Details
{
template <typename T>
Expand Down
Loading