From: Svetlana Shmidt <sshmidt@google.com>
Date: Thu, 10 Sep 2020 10:39:30 +0000 (+0000)
Subject: add comment about double comparison
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=5a008bdde2ac41830a32592ab009eb7deb8105ff;p=thirdparty%2Fcollectd.git

add comment about double comparison
---

diff --git a/src/daemon/distribution.c b/src/daemon/distribution.c
index aa533e8ae..9d85b3bf9 100644
--- a/src/daemon/distribution.c
+++ b/src/daemon/distribution.c
@@ -364,7 +364,9 @@ static int *distribution_cmp(distribution_t *d1, distribution_t *d2) {
   }
   for (size_t i = 0; i < tree_size(d1->num_buckets); i++) {
     if (d1->tree[i].maximum !=
-        d2->tree[i].maximum) { // will it work with doubles?
+        d2->tree[i].maximum) { // there can be a trouble with double comparison
+                               // but we assume that distributions were created
+                               // in the same way
       comparison[0] = EINVAL;
       return comparison;
     }