Gilles Sadowski created MATH-1536:
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Summary: Sensitivity to RNG (unit tests)
Key: MATH-1536
URL: https://issues.apache.org/jira/browse/MATH-1536
Project: Commons Math
Issue Type: Task
Reporter: Gilles Sadowski
Fix For: 4.0
Several unit tests fail when upgrading to version 1.3 of "Commons RNG":
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[ERROR] Failures:
[ERROR] LogitTest.testDerivativesWithInverseFunction:195 maxOrder = 2
expected:<0.0> but was:<1.0658141036401503E-14>
[ERROR] EnumeratedIntegerDistributionTest.testMath1533:196
[ERROR] EnumeratedIntegerDistributionTest.testSample:174 expected:<7.84> but
was:<7.857073891264003>
[ERROR] MiniBatchKMeansClustererTest.testCompareToKMeans:86 Different score
ratio 46.645378%!, diff points ratio: 34.716981%
[ERROR] CalinskiHarabaszTest.test_compare_to_skLearn:102
expected:<597.7763150683217> but was:<559.2829020672648>
[ERROR] MultiStartMultivariateOptimizerTest.testCircleFitting:76
expected:<69.9597> but was:<69.96228624385736>
[ERROR] MultiStartMultivariateOptimizerTest.testRosenbrock:114 numEval=873
[ERROR] GaussianRandomGeneratorTest.testMeanAndStandardDeviation:37
expected:<1.0> but was:<0.9715310171501561>
[ERROR] NaturalRankingTest.testNaNsFixedTiesRandom:227 Array comparison
failure
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