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https://issues.apache.org/jira/browse/METRON-1037?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16086051#comment-16086051
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ASF GitHub Bot commented on METRON-1037:
----------------------------------------
Github user mattf-horton commented on a diff in the pull request:
https://github.com/apache/metron/pull/651#discussion_r127279766
--- Diff:
metron-stellar/stellar-common/src/test/java/org/apache/metron/stellar/dsl/functions/MathFunctionsTest.java
---
@@ -44,4 +44,16 @@ public void testAbs() {
Assert.assertEquals((Double)run("ABS(value)", ImmutableMap.of("value",
-10.5)), 10.5, 1e-7);
}
+ @Test
+ public void testPower() {
+ Assert.assertEquals((Double)run("POWER(e,b)", ImmutableMap.of("e",
2.0, "b", 2.0)), 4.0, 1e-7 );
--- End diff --
Please put expected value first, test result value second, in
assertEquals() calls. Otherwise reported failures look funny.
> Stellar power function
> ----------------------
>
> Key: METRON-1037
> URL: https://issues.apache.org/jira/browse/METRON-1037
> Project: Metron
> Issue Type: Improvement
> Affects Versions: 0.4.0
> Reporter: Simon Elliston Ball
>
> Stellar does not currently have a power function. We should have a function
> of the form POWER(number,power) named for consistency with SQL and Excel.
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