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From Thomas Neidhart <thomas.neidh...@gmail.com>
Subject [math] Test failures after switch to Java 1.7
Date Tue, 24 Feb 2015 19:56:15 GMT
Hi,

after switching to Java 1.7 there seems to be another problem with
FastMath, see the two test failures below when running on jenkins.

Can somebody reproduce it on a 64 bit machine (I just have a 32 bit
laptop at home)?

Test setup: Java 7 latest (1.7.0_75?), maven 3.1.1.

Tests run: 65, Failures: 1, Errors: 0, Skipped: 1, Time elapsed: 13.332
sec <<< FAILURE! - in org.apache.commons.math4.util.FastMathTest
testPowSpecialCases(org.apache.commons.math4.util.FastMathTest)  Time
elapsed: 0.007 sec  <<< FAILURE!
java.lang.AssertionError: pow(0.5, Infinity) should be 0.0
expected:<0.0> but was:<Infinity>
	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.apache.commons.math4.util.FastMathTest.testPowSpecialCases(FastMathTest.java:372)

Running org.apache.commons.math4.util.FastMathStrictComparisonTest
Tests run: 53, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 0.037
sec <<< FAILURE! - in
org.apache.commons.math4.util.FastMathStrictComparisonTest
test1[37](org.apache.commons.math4.util.FastMathStrictComparisonTest)
Time elapsed: 0 sec  <<< FAILURE!
java.lang.AssertionError: double pow(-0.0, NaN) expected NaN actual
-Infinity entries [1, 3]
	at org.junit.Assert.fail(Assert.java:88)
	at
org.apache.commons.math4.util.FastMathStrictComparisonTest.reportFailedResults(FastMathStrictComparisonTest.java:158)
	at
org.apache.commons.math4.util.FastMathStrictComparisonTest.callMethods(FastMathStrictComparisonTest.java:182)
	at
org.apache.commons.math4.util.FastMathStrictComparisonTest.setupMethodCall(FastMathStrictComparisonTest.java:204)
	at
org.apache.commons.math4.util.FastMathStrictComparisonTest.test1(FastMathStrictComparisonTest.java:92)

Thomas

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