HoustonPutman commented on a change in pull request #153: Fix issues reported
by findbugs
URL: https://github.com/apache/lucene-solr/pull/153#discussion_r351399593
##########
File path:
solr/contrib/analytics/src/java/org/apache/solr/analytics/util/MedianCalculator.java
##########
@@ -35,7 +35,9 @@
select(list, .5 * size, 0, size);
int firstIdx = (int) (Math.floor(.5 * size));
- int secondIdx = (firstIdx <= size && size % 2 == 1) ? firstIdx + 1 :
firstIdx;
+ // from findbug bug info:
+ // The code uses x % 2 == 1 to check to see if a value is odd, but this
won't work for negative numbers (e.g., (-5) % 2 == -1). If this code is
intending to check for oddness, consider using x & 1 == 1, or x % 2 != 0.
+ int secondIdx = (firstIdx <= size && size % 2 != 0) ? firstIdx + 1 :
firstIdx;
Review comment:
This is a no-op since size is guaranteed to be non-negative. Also this
analytics code is extremely out of date, and has pretty much all been
re-written since this PR.
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