[MATH-1207] KohonenUpdateActionTest sometimes fails

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 4.0, 3.6.1
• Assignee: Unassigned
• Reporter: Thomas Neidhart
• Created: 08/Mar/15 21:29
• Updated: 26/Mar/16 23:40
• Resolved: 28/Aug/15 14:06

Description

The KohonenUpdateActionTest sometimes failes with the following output:

KohonenUpdateActionTest
    testUpdate :
  java.lang.AssertionError
  java.lang.AssertionError: expected:<0.0> but was:<5.551115123125783E-17>
	at org.junit.Assert.fail(Assert.java:88)
	at org.junit.Assert.failNotEquals(Assert.java:743)
	at org.junit.Assert.assertEquals(Assert.java:494)
	at org.junit.Assert.assertEquals(Assert.java:592)
	at org.apache.commons.math4.ml.neuralnet.sofm.KohonenUpdateActionTest.testUpdate(KohonenUpdateActionTest.java:90)

Investigate why this is happening and fix the test accordingly.