Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/6001#discussion_r187871263
--- Diff: docs/dev/stream/operators/windows.md ---
@@ -883,7 +883,7 @@ private static class AverageAggregate
@Override
public Double getResult(Tuple2<Long, Long> accumulator) {
- return accumulator.f0 / accumulator.f1;
+ return (double) accumulator.f0 / accumulator.f1;
--- End diff --
Should probably be `((double) accumulator.f0) / accumulator.f1;`---
