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reduction to 2x2 clusters for general clusters

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mazzol_a
2025-08-18 18:23:15 +02:00
parent 9a3694b980
commit cb163c79b4
5 changed files with 205 additions and 106 deletions
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42
src/Cluster.test.cpp
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@@ -18,4 +18,46 @@ TEST_CASE("Test sum of Cluster", "[.cluster]") {
Cluster<int, 2, 2> cluster{0, 0, {1, 2, 3, 4}};
CHECK(cluster.sum() == 10);
}
using ClusterTypes = std::variant<Cluster<int, 2, 2>, Cluster<int, 3, 3>,
Cluster<int, 5, 5>, Cluster<int, 2, 3>>;
TEST_CASE("Test reduce to 2x2 Cluster", "[.cluster]") {
auto [cluster, expected_reduced_cluster] = GENERATE(
std::make_tuple(ClusterTypes{Cluster<int, 2, 2>{5, 5, {1, 2, 3, 4}}},
Cluster<int, 2, 2>{4, 6, {1, 2, 3, 4}}),
std::make_tuple(
ClusterTypes{Cluster<int, 3, 3>{5, 5, {1, 1, 1, 1, 3, 2, 1, 2, 2}}},
Cluster<int, 2, 2>{5, 5, {3, 2, 2, 2}}),
std::make_tuple(
ClusterTypes{Cluster<int, 3, 3>{5, 5, {1, 1, 1, 2, 3, 1, 2, 2, 1}}},
Cluster<int, 2, 2>{4, 5, {2, 3, 2, 2}}),
std::make_tuple(
ClusterTypes{Cluster<int, 3, 3>{5, 5, {2, 2, 1, 2, 3, 1, 1, 1, 1}}},
Cluster<int, 2, 2>{4, 6, {2, 2, 2, 3}}),
std::make_tuple(
ClusterTypes{Cluster<int, 3, 3>{5, 5, {1, 2, 2, 1, 3, 2, 1, 1, 1}}},
Cluster<int, 2, 2>{5, 6, {2, 2, 3, 2}}),
std::make_tuple(ClusterTypes{Cluster<int, 5, 5>{
5, 5, {1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 3,
2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}}},
Cluster<int, 2, 2>{5, 6, {2, 2, 3, 2}}),
std::make_tuple(ClusterTypes{Cluster<int, 5, 5>{
5, 5, {1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 2, 3,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}}},
Cluster<int, 2, 2>{4, 6, {2, 2, 2, 3}}),
std::make_tuple(
ClusterTypes{Cluster<int, 2, 3>{5, 5, {2, 2, 3, 2, 1, 1}}},
Cluster<int, 2, 2>{4, 6, {2, 2, 3, 2}}));
auto reduced_cluster = std::visit(
[](const auto &clustertype) { return reduce_to_2x2(clustertype); },
cluster);
CHECK(reduced_cluster.x == expected_reduced_cluster.x);
CHECK(reduced_cluster.y == expected_reduced_cluster.y);
CHECK(std::equal(reduced_cluster.data.begin(),
reduced_cluster.data.begin() + 4,
expected_reduced_cluster.data.begin()));
}