change NNS rawscore so it is a closeness not a distance

1 files changed, 4 insertions, 4 deletions

diff --git a/searchlib/src/tests/features/nns_distance/nns_distance_test.cpp b/searchlib/src/tests/features/nns_distance/nns_distance_test.cpp
index 7bfb3a60932..a9a3f4b2ddd 100644
--- a/searchlib/src/tests/features/nns_distance/nns_distance_test.cpp
+++ b/searchlib/src/tests/features/nns_distance/nns_distance_test.cpp
@@ -89,13 +89,13 @@ struct RankFixture : BlueprintFactoryFixture, IndexFixture {
     void setScore(TermFieldHandle handle, uint32_t docId, feature_t score) {
         match_data->resolveTermField(handle)->setRawScore(docId, score);
     }
-    void setFooScore(uint32_t i, uint32_t docId, feature_t score) {
+    void setFooScore(uint32_t i, uint32_t docId, feature_t distance) {
         ASSERT_LESS(i, fooHandles.size());
-        setScore(fooHandles[i], docId, score);
+        setScore(fooHandles[i], docId, 1.0/(1.0+distance));
     }
-    void setBarScore(uint32_t i, uint32_t docId, feature_t score) {
+    void setBarScore(uint32_t i, uint32_t docId, feature_t distance) {
         ASSERT_LESS(i, barHandles.size());
-        setScore(barHandles[i], docId, score);
+        setScore(barHandles[i], docId, 1.0/(1.0+distance));
     }
 };