Add test of batched clustering

Author: sbaldu

tests/test_batched_clustering.cpp

@@ -0,0 +1,27 @@
+
+#include "CLUEstering/CLUEstering.hpp"
+#include "CLUEstering/utils/detail/get_cluster_properties.hpp"
+
+#define DOCTEST_CONFIG_IMPLEMENT_WITH_MAIN
+#include "doctest.h"
+
+TEST_CASE("Test batched clustering with fixed batch size") {
+  const auto device = clue::get_device(0u);
+  clue::Queue queue(device);
+
+  clue::PointsHost<2> h_points = clue::read_csv<2>(queue, "../../../data/batched_data_1024.csv");
+  const auto n_points = h_points.size();
+  clue::PointsDevice<2> d_points(queue, n_points);
+
+  const float dc{1.3f}, rhoc{10.f}, outlier{1.3f};
+  clue::Clusterer<2> algo(queue, dc, rhoc, outlier);
+  const std::size_t batch_size = 1024;
+
+  std::vector<std::size_t> event_sizes(10, batch_size);
+  algo.make_clusters(queue, h_points, d_points, event_sizes, clue::FlatKernel{.5f});
+
+  auto truth = clue::read_output<2>(queue, "../../../data/truth_files/data_1024_truth.csv");
+  auto truth_n_clusters = clue::detail::compute_nclusters(truth.clusterIndexes());
+  auto n_clusters = clue::detail::compute_nclusters(h_points.clusterIndexes());
+  CHECK(n_clusters == truth_n_clusters * 10);
+}