DB Tsai created SPARK-2479:
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Summary: Comparing floating-point numbers using relative error in
UnitTests
Key: SPARK-2479
URL: https://issues.apache.org/jira/browse/SPARK-2479
Project: Spark
Issue Type: Improvement
Reporter: DB Tsai
Due to rounding errors, most floating-point numbers end up being slightly
imprecise. As long as this imprecision stays small, it can usually be ignored.
Otherwise, different machine may have different rounding errors which will
cause some of false negative tests.
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