Github user wzhfy commented on a diff in the pull request:
https://github.com/apache/spark/pull/19438#discussion_r143481784
--- Diff:
sql/core/src/test/scala/org/apache/spark/sql/DataFrameStatSuite.scala ---
@@ -157,21 +157,21 @@ class DataFrameStatSuite extends QueryTest with
SharedSQLContext {
val error_single = 2 * 1000 * epsilon
val error_double = 2 * 2000 * epsilon
- assert(math.abs(single1 - q1 * n) < error_single)
- assert(math.abs(double2 - 2 * q2 * n) < error_double)
- assert(math.abs(s1 - q1 * n) < error_single)
- assert(math.abs(s2 - q2 * n) < error_single)
- assert(math.abs(d1 - 2 * q1 * n) < error_double)
- assert(math.abs(d2 - 2 * q2 * n) < error_double)
+ assert(math.abs(single1 - q1 * n) <= error_single)
--- End diff --
Yes, I can change the data to an odd number of values.
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