Ji Liu created ARROW-6311:
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Summary: [Java] Make ApproxEqualsVisitor accept DiffFunction to
make it more flexible
Key: ARROW-6311
URL: https://issues.apache.org/jira/browse/ARROW-6311
Project: Apache Arrow
Issue Type: Improvement
Components: Java
Reporter: Ji Liu
Assignee: Ji Liu
Currently {{ApproxEqualsVisitor}} will accept a epsilon for both float and
double compare, and the difference calculation is always {{Math.abs}}(f1-f2)
For some cases like {{Validator}} it is not very suitable as:
i. it has different epsilon values for float/double
ii. it difference function is not Math.abs(f1-f2)
To resolve these, make this visitor accept both float/double epsilons and diff
functions.
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