commit 943c4893f60c956140189c9b8001804f62af750e
author AlexanderSaydakov <AlexanderSaydakov@users.noreply.github.com> Mon Sep 21 17:21:13 2020 -0700
committer AlexanderSaydakov <AlexanderSaydakov@users.noreply.github.com> Mon Sep 21 17:21:13 2020 -0700
tree 0702f6753855ac4d21a87c47d8e545b424a80a85
parent 4c0929cfc5d4f69abc3251e10321f28145315d4b

added comment

tuple/test/theta_jaccard_similarity_test.cpp

diff --git a/tuple/test/theta_jaccard_similarity_test.cpp b/tuple/test/theta_jaccard_similarity_test.cpp
index f241bbb..fda1a6d 100644
--- a/tuple/test/theta_jaccard_similarity_test.cpp
+++ b/tuple/test/theta_jaccard_similarity_test.cpp
@@ -121,6 +121,10 @@
   REQUIRE(theta_jaccard_similarity::similarity_test(actual, actual, threshold));
 }
 
+/**
+ * The distribution is much looser here, about +/- 14%. This is due to the fact that intersections loose accuracy
+ * as the ratio of intersection to the union becomes a small number.
+ */
 TEST_CASE("theta jaccard: dissimilarity test", "[theta_sketch]") {
   const int8_t min_lg_k = 12;
   const int u1 = 1 << 20;