Add missing method KNNResultSet::empty() for consistency with the oth…

…er result sets
jlblancoc · Nov 27, 2023 · 5db886b · 5db886b
1 parent c6eca96
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,9 +1,10 @@
 nanoflann 1.5.1: UNRELEASED
  * **API changes:**
    - Add missing `SearchParameters` argument to `KDTreeSingleIndexDynamicAdaptor_::knnSearch()` ([PR#213](https://github.com/jlblancoc/nanoflann/pull/213) by [ManosPapadakis95](https://github.com/ManosPapadakis95)).
+   - Add missing method `KNNResultSet::empty()` for consistency with the other result sets.
  * **Other changes**:
    - Add examples: `nanoflann_gui_example_R3_knn` and `nanoflann_gui_example_R3_radius`
-   
+
 
 nanoflann 1.5.0: Released Jun 16, 2023
  * **API changes:**

diff --git a/include/nanoflann.hpp b/include/nanoflann.hpp
@@ -190,6 +190,7 @@ class KNNResultSet
     }
 
     CountType size() const { return count; }
+    bool      empty() const { return count == 0; }
 
     bool full() const { return count == capacity; }
 
@@ -2060,7 +2061,8 @@ class KDTreeSingleIndexDynamicAdaptor_
      */
     Size knnSearch(
         const ElementType* query_point, const Size num_closest,
-        IndexType* out_indices, DistanceType* out_distances, const SearchParameters& searchParams = {}) const
+        IndexType* out_indices, DistanceType* out_distances,
+        const SearchParameters& searchParams = {}) const
     {
         nanoflann::KNNResultSet<DistanceType, IndexType> resultSet(num_closest);
         resultSet.init(out_indices, out_distances);