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    from 85c6427a1 Add code of conduct
     new 49d542fc0 Update to commons RNG 1.5
     new 8dfca662f Update git ignore to recursively ignore build files
     new bc9e8bd27 Update fixed seed test
     new 93e3ee4b7 Formatting. Remove empty lines before closing curly bracket.
     new a8d392580 Use diamond operator
     new 5a8234a2f Remove trailing whitespace
     new e59397ba1 Update to CP 54
     new 8d4381b75 Drop junit 5.7.2 for 5.9.0 in commons parent
     new 10f519d8c Drop antrun 1.8 for 3.1.0 in commons parent
     new 070517388 Drop checkstyle 3.1.0 for 3.2.0 in commons parent
     new f142596f1 Fix checkstyle for UnnecessaryParentheses
     new 2ceab60e7 Update spotbugs 4.3.0 to CP 4.7.2.0
     new 23ef546ef Update PMD version to commons parent
     new cff0c9b4b Remove javadoc links added by commons parent
     new 7b18e4f67 Reorder properties to match commons RNG parent.
     new b7988729b Drop surefire 3.0.0-M5 for 3.0.0-M7 in commons parent
     new 86c703f3a Update changes report configuration to allow component 
reports
     new c20a45006 Remove redundant properties and dependency management
     new e1dd863d2 Drop exec-maven-plugin management
     new 1d50e68f6 Add my name to the developers
     new 02ca77c64 Update coverage badge
     new 2c76d1891 Disable Travis (superseded by GH actions)
     new b72c0945a Use mvn for README contributing build goal

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Summary of changes:
 .gitignore                                         |  12 +-
 .travis.yml                                        |  38 ------
 README.md                                          |   6 +-
 commons-math-core/pom.xml                          |   3 +-
 .../commons/math4/core/jdkmath/AccurateMath.java   |  16 ---
 .../math4/examples/kmeans/image/StandAlone.java    |  16 +--
 commons-math-examples/pom.xml                      |  45 +------
 commons-math-legacy-core/pom.xml                   |   3 +-
 .../apache/commons/math4/legacy/core/Field.java    |   1 -
 .../apache/commons/math4/legacy/core/dfp/Dfp.java  |  10 --
 .../commons/math4/legacy/core/dfp/DfpDec.java      |   2 -
 .../commons/math4/legacy/core/dfp/DfpField.java    |   8 --
 .../commons/math4/legacy/core/dfp/DfpMath.java     |  11 --
 .../core/ExtendedFieldElementAbstractTest.java     |   1 -
 .../commons/math4/legacy/core/MathArraysTest.java  |   1 -
 .../commons/math4/legacy/core/dfp/Decimal10.java   |   1 -
 .../commons/math4/legacy/core/dfp/DfpDecTest.java  |   1 -
 .../commons/math4/legacy/core/dfp/DfpMathTest.java |   1 -
 .../commons/math4/legacy/core/dfp/DfpTest.java     |   1 -
 .../legacy/core/jdkmath/AccurateMathTest.java      |   4 -
 commons-math-legacy-exception/pom.xml              |   3 +-
 .../legacy/exception/MathArithmeticException.java  |   1 -
 .../exception/MathIllegalArgumentException.java    |   1 -
 .../exception/MathIllegalStateException.java       |   1 -
 .../MathUnsupportedOperationException.java         |   1 -
 .../legacy/exception/NotANumberException.java      |   1 -
 .../legacy/exception/util/DummyLocalizable.java    |   1 -
 .../exception/util/ExceptionContextProvider.java   |   1 -
 .../exception/util/LocalizedFormatsTest.java       |   3 -
 commons-math-legacy/pom.xml                        |   4 +-
 .../math4/legacy/analysis/FunctionUtils.java       |   9 --
 .../analysis/MultivariateMatrixFunction.java       |   1 -
 .../analysis/MultivariateVectorFunction.java       |   1 -
 .../legacy/analysis/UnivariateMatrixFunction.java  |   1 -
 .../legacy/analysis/UnivariateVectorFunction.java  |   1 -
 .../analysis/differentiation/DSCompiler.java       |  48 -------
 .../differentiation/DerivativeStructure.java       |  13 +-
 .../FiniteDifferencesDifferentiator.java           |  10 --
 .../analysis/differentiation/GradientFunction.java |   2 -
 .../analysis/differentiation/JacobianFunction.java |   2 -
 .../MultivariateDifferentiableVectorFunction.java  |   1 -
 .../analysis/differentiation/SparseGradient.java   |   9 --
 .../UnivariateDifferentiableMatrixFunction.java    |   1 -
 .../UnivariateDifferentiableVectorFunction.java    |   1 -
 .../UnivariateFunctionDifferentiator.java          |   1 -
 .../UnivariateMatrixFunctionDifferentiator.java    |   1 -
 .../UnivariateVectorFunctionDifferentiator.java    |   1 -
 .../math4/legacy/analysis/function/Acos.java       |   1 -
 .../math4/legacy/analysis/function/Acosh.java      |   1 -
 .../math4/legacy/analysis/function/Asin.java       |   1 -
 .../math4/legacy/analysis/function/Asinh.java      |   1 -
 .../math4/legacy/analysis/function/Atan.java       |   1 -
 .../math4/legacy/analysis/function/Atanh.java      |   1 -
 .../math4/legacy/analysis/function/Cbrt.java       |   1 -
 .../math4/legacy/analysis/function/Constant.java   |   1 -
 .../math4/legacy/analysis/function/Cos.java        |   1 -
 .../math4/legacy/analysis/function/Cosh.java       |   1 -
 .../math4/legacy/analysis/function/Exp.java        |   1 -
 .../math4/legacy/analysis/function/Expm1.java      |   1 -
 .../math4/legacy/analysis/function/Gaussian.java   |   3 -
 .../analysis/function/HarmonicOscillator.java      |   2 -
 .../math4/legacy/analysis/function/Identity.java   |   1 -
 .../math4/legacy/analysis/function/Inverse.java    |   1 -
 .../math4/legacy/analysis/function/Log.java        |   1 -
 .../math4/legacy/analysis/function/Log10.java      |   1 -
 .../math4/legacy/analysis/function/Log1p.java      |   1 -
 .../math4/legacy/analysis/function/Logistic.java   |   1 -
 .../math4/legacy/analysis/function/Logit.java      |   1 -
 .../math4/legacy/analysis/function/Minus.java      |   1 -
 .../math4/legacy/analysis/function/Power.java      |   1 -
 .../math4/legacy/analysis/function/Sigmoid.java    |   5 -
 .../math4/legacy/analysis/function/Sin.java        |   1 -
 .../math4/legacy/analysis/function/Sinc.java       |   6 -
 .../math4/legacy/analysis/function/Sinh.java       |   1 -
 .../math4/legacy/analysis/function/Sqrt.java       |   1 -
 .../math4/legacy/analysis/function/Tan.java        |   1 -
 .../math4/legacy/analysis/function/Tanh.java       |   1 -
 .../analysis/integration/MidPointIntegrator.java   |   4 +-
 .../analysis/integration/RombergIntegrator.java    |   4 +-
 .../analysis/integration/TrapezoidIntegrator.java  |   2 +-
 .../analysis/integration/UnivariateIntegrator.java |   1 -
 .../interpolation/AkimaSplineInterpolator.java     |   1 -
 .../BicubicInterpolatingFunction.java              |   2 -
 .../interpolation/FieldHermiteInterpolator.java    |   5 -
 .../interpolation/HermiteInterpolator.java         |   6 -
 .../analysis/polynomials/PolynomialFunction.java   |   2 +-
 .../polynomials/PolynomialFunctionNewtonForm.java  |   2 -
 .../analysis/polynomials/PolynomialsUtils.java     |  10 +-
 .../legacy/analysis/solvers/AllowedSolution.java   |   1 -
 .../legacy/analysis/solvers/BaseSecantSolver.java  |   1 -
 .../BracketedRealFieldUnivariateSolver.java        |   1 -
 .../solvers/BracketedUnivariateSolver.java         |   1 -
 .../solvers/BracketingNthOrderBrentSolver.java     |  19 +--
 .../FieldBracketingNthOrderBrentSolver.java        |  17 +--
 .../legacy/analysis/solvers/LaguerreSolver.java    |   4 +-
 .../legacy/analysis/solvers/SecantSolver.java      |   1 -
 .../analysis/solvers/UnivariateSolverUtils.java    |   8 +-
 .../distribution/EnumeratedDistribution.java       |   2 +-
 .../distribution/EnumeratedRealDistribution.java   |   1 -
 ...ariateNormalMixtureExpectationMaximization.java |   1 -
 .../math4/legacy/fitting/HarmonicCurveFitter.java  |   2 +-
 .../leastsquares/DenseWeightedEvaluation.java      |   1 -
 .../fitting/leastsquares/EvaluationRmsChecker.java |   1 -
 .../fitting/leastsquares/GaussNewtonOptimizer.java |   1 -
 .../leastsquares/LeastSquaresOptimizer.java        |   2 -
 .../leastsquares/LevenbergMarquardtOptimizer.java  |   6 +-
 .../leastsquares/MultivariateJacobianFunction.java |   1 -
 .../math4/legacy/genetics/BinaryMutation.java      |   1 -
 .../commons/math4/legacy/genetics/Chromosome.java  |   1 -
 .../legacy/genetics/ElitisticListPopulation.java   |   1 -
 .../commons/math4/legacy/genetics/Fitness.java     |   1 -
 .../legacy/genetics/FixedGenerationCount.java      |   1 -
 .../math4/legacy/genetics/GeneticAlgorithm.java    |   1 -
 .../genetics/InvalidRepresentationException.java   |   1 -
 .../math4/legacy/genetics/OnePointCrossover.java   |   1 -
 .../legacy/genetics/PermutationChromosome.java     |   1 -
 .../math4/legacy/genetics/RandomKeyMutation.java   |   1 -
 .../math4/legacy/genetics/TournamentSelection.java |   1 -
 .../math4/legacy/linear/AbstractFieldMatrix.java   |  29 +---
 .../math4/legacy/linear/AbstractRealMatrix.java    |  17 +--
 .../math4/legacy/linear/Array2DRowFieldMatrix.java |   5 +-
 .../math4/legacy/linear/Array2DRowRealMatrix.java  |   4 +-
 .../math4/legacy/linear/ArrayFieldVector.java      |   5 +-
 .../math4/legacy/linear/BiDiagonalTransformer.java |   7 -
 .../commons/math4/legacy/linear/BigRealField.java  |   1 -
 .../math4/legacy/linear/BlockFieldMatrix.java      |  13 +-
 .../math4/legacy/linear/BlockRealMatrix.java       |   9 +-
 .../math4/legacy/linear/ConjugateGradient.java     |   4 +-
 .../math4/legacy/linear/EigenDecomposition.java    |   1 -
 .../math4/legacy/linear/FieldLUDecomposition.java  |   8 +-
 .../commons/math4/legacy/linear/FieldVector.java   |   1 -
 .../math4/legacy/linear/LUDecomposition.java       |   6 +-
 .../commons/math4/legacy/linear/MatrixUtils.java   |   7 +-
 .../legacy/linear/OpenIntToDoubleHashMap.java      |  11 --
 .../math4/legacy/linear/OpenIntToFieldHashMap.java |  11 --
 .../math4/legacy/linear/OpenMapRealMatrix.java     |   2 -
 .../math4/legacy/linear/OpenMapRealVector.java     |   1 -
 .../math4/legacy/linear/QRDecomposition.java       |   1 -
 .../math4/legacy/linear/RealMatrixFormat.java      |   1 -
 .../commons/math4/legacy/linear/RealVector.java    |   4 +-
 .../math4/legacy/linear/RealVectorFormat.java      |   1 -
 .../linear/RectangularCholeskyDecomposition.java   |   3 -
 .../legacy/linear/SingularValueDecomposition.java  |   2 -
 .../math4/legacy/linear/SparseFieldMatrix.java     |   1 -
 .../math4/legacy/linear/SparseFieldVector.java     |   5 +-
 .../math4/legacy/linear/SparseRealMatrix.java      |   1 -
 .../apache/commons/math4/legacy/linear/SymmLQ.java |   4 +-
 .../legacy/ml/clustering/CentroidCluster.java      |   1 -
 .../math4/legacy/ml/clustering/DoublePoint.java    |   1 -
 .../clustering/ElkanKMeansPlusPlusClusterer.java   |  18 +--
 .../legacy/ml/clustering/FuzzyKMeansClusterer.java |   5 +-
 .../ml/clustering/KMeansPlusPlusClusterer.java     |  10 +-
 .../math4/legacy/ode/AbstractFieldIntegrator.java  |   6 -
 .../math4/legacy/ode/AbstractIntegrator.java       |   7 -
 .../math4/legacy/ode/AbstractParameterizable.java  |   1 -
 .../legacy/ode/ContinuousOutputFieldModel.java     |   6 -
 .../math4/legacy/ode/ContinuousOutputModel.java    |  10 +-
 .../commons/math4/legacy/ode/EquationsMapper.java  |   1 -
 .../math4/legacy/ode/ExpandableStatefulODE.java    |   8 --
 .../math4/legacy/ode/FieldEquationsMapper.java     |   1 -
 .../math4/legacy/ode/FieldExpandableODE.java       |   4 -
 .../commons/math4/legacy/ode/FieldODEState.java    |   2 -
 .../legacy/ode/FieldODEStateAndDerivative.java     |   1 -
 .../math4/legacy/ode/FieldSecondaryEquations.java  |   1 -
 .../math4/legacy/ode/FirstOrderConverter.java      |   2 -
 .../ode/FirstOrderDifferentialEquations.java       |   1 -
 .../ode/FirstOrderFieldDifferentialEquations.java  |   1 -
 .../legacy/ode/FirstOrderFieldIntegrator.java      |   1 -
 .../math4/legacy/ode/FirstOrderIntegrator.java     |   1 -
 .../commons/math4/legacy/ode/JacobianMatrices.java |  15 +--
 .../legacy/ode/MainStateJacobianProvider.java      |   1 -
 .../math4/legacy/ode/MultistepFieldIntegrator.java |  11 --
 .../math4/legacy/ode/MultistepIntegrator.java      |  11 --
 .../commons/math4/legacy/ode/ODEIntegrator.java    |   1 -
 .../math4/legacy/ode/ParameterConfiguration.java   |   1 -
 .../legacy/ode/ParameterJacobianProvider.java      |   1 -
 .../math4/legacy/ode/ParameterJacobianWrapper.java |   2 -
 .../commons/math4/legacy/ode/Parameterizable.java  |   1 -
 .../commons/math4/legacy/ode/ParameterizedODE.java |   1 -
 .../math4/legacy/ode/ParameterizedWrapper.java     |   1 -
 .../ode/SecondOrderDifferentialEquations.java      |   1 -
 .../math4/legacy/ode/SecondOrderIntegrator.java    |   1 -
 .../math4/legacy/ode/SecondaryEquations.java       |   1 -
 .../legacy/ode/UnknownParameterException.java      |   1 -
 .../commons/math4/legacy/ode/events/Action.java    |   1 -
 .../math4/legacy/ode/events/EventFilter.java       |   7 -
 .../math4/legacy/ode/events/EventHandler.java      |   2 -
 .../math4/legacy/ode/events/EventState.java        |  26 ++--
 .../math4/legacy/ode/events/FieldEventHandler.java |   1 -
 .../math4/legacy/ode/events/FieldEventState.java   |   7 -
 .../math4/legacy/ode/events/FilterType.java        |   3 -
 .../math4/legacy/ode/events/Transformer.java       |   1 -
 .../nonstiff/AdamsBashforthFieldIntegrator.java    |   7 -
 .../ode/nonstiff/AdamsBashforthIntegrator.java     |   7 -
 .../legacy/ode/nonstiff/AdamsFieldIntegrator.java  |   1 -
 .../ode/nonstiff/AdamsFieldStepInterpolator.java   |   3 -
 .../math4/legacy/ode/nonstiff/AdamsIntegrator.java |   1 -
 .../ode/nonstiff/AdamsMoultonFieldIntegrator.java  |   5 -
 .../ode/nonstiff/AdamsMoultonIntegrator.java       |   5 -
 .../nonstiff/AdamsNordsieckFieldTransformer.java   |   6 -
 .../ode/nonstiff/AdamsNordsieckTransformer.java    |   3 -
 .../nonstiff/AdaptiveStepsizeFieldIntegrator.java  |   8 --
 .../ode/nonstiff/AdaptiveStepsizeIntegrator.java   |  16 +--
 .../ClassicalRungeKuttaFieldIntegrator.java        |   1 -
 .../ClassicalRungeKuttaFieldStepInterpolator.java  |   2 -
 .../nonstiff/ClassicalRungeKuttaIntegrator.java    |   1 -
 .../ClassicalRungeKuttaStepInterpolator.java       |   4 +-
 .../nonstiff/DormandPrince54FieldIntegrator.java   |   3 -
 .../DormandPrince54FieldStepInterpolator.java      |   2 -
 .../ode/nonstiff/DormandPrince54Integrator.java    |   3 -
 .../nonstiff/DormandPrince54StepInterpolator.java  |   8 +-
 .../nonstiff/DormandPrince853FieldIntegrator.java  |   4 -
 .../DormandPrince853FieldStepInterpolator.java     |   3 -
 .../ode/nonstiff/DormandPrince853Integrator.java   |   3 -
 .../nonstiff/DormandPrince853StepInterpolator.java |  13 +-
 .../EmbeddedRungeKuttaFieldIntegrator.java         |   8 --
 .../ode/nonstiff/EmbeddedRungeKuttaIntegrator.java |   8 --
 .../legacy/ode/nonstiff/EulerFieldIntegrator.java  |   1 -
 .../ode/nonstiff/EulerFieldStepInterpolator.java   |   2 -
 .../math4/legacy/ode/nonstiff/EulerIntegrator.java |   1 -
 .../legacy/ode/nonstiff/EulerStepInterpolator.java |   4 +-
 .../ode/nonstiff/FieldButcherArrayProvider.java    |   1 -
 .../legacy/ode/nonstiff/GillFieldIntegrator.java   |   2 -
 .../ode/nonstiff/GillFieldStepInterpolator.java    |   2 -
 .../math4/legacy/ode/nonstiff/GillIntegrator.java  |   1 -
 .../legacy/ode/nonstiff/GillStepInterpolator.java  |   4 +-
 .../ode/nonstiff/GraggBulirschStoerIntegrator.java |  76 ++++-------
 .../GraggBulirschStoerStepInterpolator.java        |  13 +-
 .../ode/nonstiff/HighamHall54FieldIntegrator.java  |   3 -
 .../HighamHall54FieldStepInterpolator.java         |   2 -
 .../ode/nonstiff/HighamHall54Integrator.java       |   3 -
 .../ode/nonstiff/HighamHall54StepInterpolator.java |   4 +-
 .../legacy/ode/nonstiff/LutherFieldIntegrator.java |   2 -
 .../ode/nonstiff/LutherFieldStepInterpolator.java  |   2 -
 .../legacy/ode/nonstiff/LutherIntegrator.java      |   1 -
 .../ode/nonstiff/LutherStepInterpolator.java       |   4 +-
 .../ode/nonstiff/MidpointFieldIntegrator.java      |   1 -
 .../nonstiff/MidpointFieldStepInterpolator.java    |   2 -
 .../legacy/ode/nonstiff/MidpointIntegrator.java    |   1 -
 .../ode/nonstiff/MidpointStepInterpolator.java     |   4 +-
 .../ode/nonstiff/RungeKuttaFieldIntegrator.java    |   6 -
 .../nonstiff/RungeKuttaFieldStepInterpolator.java  |   1 -
 .../legacy/ode/nonstiff/RungeKuttaIntegrator.java  |   6 -
 .../ode/nonstiff/RungeKuttaStepInterpolator.java   |   5 -
 .../ode/nonstiff/ThreeEighthesFieldIntegrator.java |   1 -
 .../ThreeEighthesFieldStepInterpolator.java        |   2 -
 .../ode/nonstiff/ThreeEighthesIntegrator.java      |   1 -
 .../nonstiff/ThreeEighthesStepInterpolator.java    |   6 +-
 .../sampling/AbstractFieldStepInterpolator.java    |   1 -
 .../ode/sampling/AbstractStepInterpolator.java     |   8 --
 .../legacy/ode/sampling/DummyStepHandler.java      |   1 -
 .../legacy/ode/sampling/FieldFixedStepHandler.java |   1 -
 .../legacy/ode/sampling/FieldStepHandler.java      |   1 -
 .../legacy/ode/sampling/FieldStepInterpolator.java |   1 -
 .../legacy/ode/sampling/FieldStepNormalizer.java   |   2 -
 .../legacy/ode/sampling/FixedStepHandler.java      |   1 -
 .../ode/sampling/NordsieckStepInterpolator.java    |   6 -
 .../math4/legacy/ode/sampling/StepHandler.java     |   1 -
 .../legacy/ode/sampling/StepInterpolator.java      |   1 -
 .../math4/legacy/ode/sampling/StepNormalizer.java  |   1 -
 .../legacy/optim/AbstractOptimizationProblem.java  |   1 -
 .../optim/linear/LinearObjectiveFunction.java      |   2 +-
 .../math4/legacy/optim/linear/SimplexTableau.java  |  18 +--
 .../scalar/MultivariateFunctionMappingAdapter.java |   2 -
 .../scalar/MultivariateFunctionPenaltyAdapter.java |   2 +-
 .../nonlinear/scalar/noderiv/BOBYQAOptimizer.java  |   9 --
 .../legacy/random/SobolSequenceGenerator.java      |   1 -
 .../commons/math4/legacy/special/BesselJ.java      |   9 +-
 .../commons/math4/legacy/stat/Frequency.java       |   3 +-
 .../commons/math4/legacy/stat/StatUtils.java       |   1 -
 .../stat/correlation/SpearmansCorrelation.java     |   1 -
 .../stat/correlation/StorelessCovariance.java      |   2 -
 .../AbstractStorelessUnivariateStatistic.java      |   1 -
 .../descriptive/AbstractUnivariateStatistic.java   |   1 -
 .../math4/legacy/stat/descriptive/DoubleArray.java |   1 -
 .../descriptive/MultivariateSummaryStatistics.java |   1 -
 .../stat/descriptive/ResizableDoubleArray.java     |   1 -
 .../StatisticalMultivariateSummary.java            |   1 -
 .../stat/descriptive/StatisticalSummary.java       |   1 -
 .../descriptive/StorelessUnivariateStatistic.java  |   1 -
 .../descriptive/SynchronizedSummaryStatistics.java |   1 -
 .../stat/descriptive/WeightedEvaluation.java       |   1 -
 .../stat/descriptive/moment/GeometricMean.java     |   1 -
 .../legacy/stat/descriptive/moment/Kurtosis.java   |   1 -
 .../stat/descriptive/moment/SecondMoment.java      |   1 -
 .../stat/descriptive/moment/StandardDeviation.java |   1 -
 .../stat/descriptive/moment/ThirdMoment.java       |   1 -
 .../descriptive/moment/VectorialCovariance.java    |   2 -
 .../stat/descriptive/moment/VectorialMean.java     |   1 -
 .../math4/legacy/stat/descriptive/rank/Median.java |   1 -
 .../rank/MedianOf3PivotingStrategy.java            |   1 -
 .../stat/descriptive/rank/PSquarePercentile.java   |   1 -
 .../legacy/stat/descriptive/rank/Percentile.java   |   1 -
 .../legacy/stat/descriptive/summary/Product.java   |   1 -
 .../math4/legacy/stat/descriptive/summary/Sum.java |   1 -
 .../stat/descriptive/summary/SumOfSquares.java     |   1 -
 .../math4/legacy/stat/inference/ChiSquareTest.java |  13 +-
 .../commons/math4/legacy/stat/inference/GTest.java |   2 +-
 .../legacy/stat/inference/InferenceTestUtils.java  |   1 -
 .../stat/inference/KolmogorovSmirnovTest.java      |   2 +-
 .../math4/legacy/stat/inference/OneWayAnova.java   |   7 -
 .../commons/math4/legacy/stat/inference/TTest.java |  27 ----
 .../legacy/stat/interval/AgrestiCoullInterval.java |   1 -
 .../stat/interval/BinomialConfidenceInterval.java  |   1 -
 .../math4/legacy/stat/interval/IntervalUtils.java  |   1 -
 .../stat/interval/NormalApproximationInterval.java |   1 -
 .../math4/legacy/stat/ranking/NaturalRanking.java  |   1 -
 .../AbstractMultipleLinearRegression.java          |   4 +-
 .../regression/GLSMultipleLinearRegression.java    |   2 -
 .../stat/regression/MillerUpdatingRegression.java  |   1 -
 .../stat/regression/MultipleLinearRegression.java  |   1 -
 .../regression/OLSMultipleLinearRegression.java    |   1 -
 .../legacy/stat/regression/SimpleRegression.java   |   3 +-
 .../math4/legacy/util/CombinatoricsUtils.java      |   1 -
 .../commons/math4/legacy/util/ComplexFormat.java   |   1 -
 .../commons/math4/legacy/util/CompositeFormat.java |   6 +-
 .../math4/legacy/analysis/FunctionUtilsTest.java   |   5 -
 .../math4/legacy/analysis/MonitoredFunction.java   |   1 -
 .../math4/legacy/analysis/QuinticFunction.java     |   1 -
 .../math4/legacy/analysis/SumSincFunction.java     |   1 -
 .../math4/legacy/analysis/XMinus5Function.java     |   1 -
 .../analysis/differentiation/DSCompilerTest.java   |   3 -
 .../differentiation/DerivativeStructureTest.java   |  22 ---
 .../FiniteDifferencesDifferentiatorTest.java       |   8 --
 .../differentiation/GradientFunctionTest.java      |   2 -
 .../differentiation/JacobianFunctionTest.java      |   2 -
 .../differentiation/SparseGradientTest.java        |  20 ---
 .../analysis/function/BivariateFunctionTest.java   |   1 -
 .../math4/legacy/analysis/function/SqrtTest.java   |   1 -
 .../UnivariateDifferentiableFunctionTest.java      |   1 -
 .../analysis/function/UnivariateFunctionTest.java  |   1 -
 .../IterativeLegendreGaussIntegratorTest.java      |   2 -
 .../integration/MidPointIntegratorTest.java        |   3 -
 .../integration/TrapezoidIntegratorTest.java       |   1 -
 .../integration/gauss/BaseRuleFactoryTest.java     |   2 +-
 .../FieldHermiteInterpolatorTest.java              |   4 -
 .../interpolation/HermiteInterpolatorTest.java     |   3 -
 .../interpolation/LoessInterpolatorTest.java       |   2 +-
 .../PolynomialFunctionNewtonFormTest.java          |   1 -
 .../analysis/polynomials/PolynomialsUtilsTest.java |   8 --
 .../solvers/BaseSecantSolverAbstractTest.java      |   3 +-
 .../solvers/BracketingNthOrderBrentSolverTest.java |   2 -
 .../legacy/analysis/solvers/BrentSolverTest.java   |   1 -
 .../FieldBracketingNthOrderBrentSolverTest.java    |   2 -
 .../legacy/analysis/solvers/MullerSolverTest.java  |   2 +-
 .../EnumeratedRealDistributionTest.java            |  10 +-
 .../field/ExtendedFieldElementAbstractTest.java    |   1 -
 .../AbstractLeastSquaresOptimizerAbstractTest.java |   2 +-
 .../leastsquares/EvaluationRmsCheckerTest.java     |   1 -
 .../fitting/leastsquares/EvaluationTest.java       |   6 +-
 .../GaussNewtonOptimizerWithCholeskyTest.java      |   1 -
 .../GaussNewtonOptimizerWithLUTest.java            |   1 -
 .../GaussNewtonOptimizerWithQRTest.java            |   1 -
 .../LevenbergMarquardtOptimizerTest.java           |   1 -
 .../legacy/genetics/BinaryChromosomeTest.java      |   1 -
 .../math4/legacy/genetics/BinaryMutationTest.java  |   1 -
 .../math4/legacy/genetics/ChromosomeTest.java      |   1 -
 .../math4/legacy/genetics/CycleCrossoverTest.java  |  10 +-
 .../legacy/genetics/DummyBinaryChromosome.java     |   1 -
 .../math4/legacy/genetics/DummyRandomKey.java      |   1 -
 .../genetics/ElitisticListPopulationTest.java      |   1 -
 .../math4/legacy/genetics/FitnessCachingTest.java  |   2 +-
 .../legacy/genetics/FixedGenerationCountTest.java  |   1 -
 .../genetics/GeneticAlgorithmTestBinary.java       |   4 +-
 .../genetics/GeneticAlgorithmTestPermutations.java |   2 +-
 .../math4/legacy/genetics/ListPopulationTest.java  |   1 -
 .../math4/legacy/genetics/NPointCrossoverTest.java |   9 +-
 .../legacy/genetics/OnePointCrossoverTest.java     |   1 -
 .../legacy/genetics/OrderedCrossoverTest.java      |   8 +-
 .../legacy/genetics/RandomKeyMutationTest.java     |   1 -
 .../math4/legacy/genetics/RandomKeyTest.java       |   1 -
 .../legacy/genetics/TournamentSelectionTest.java   |   1 -
 .../legacy/genetics/UniformCrossoverTest.java      |  12 +-
 .../math4/legacy/linear/ArrayFieldVectorTest.java  |   7 -
 .../math4/legacy/linear/ArrayRealVectorTest.java   |   1 -
 .../legacy/linear/BiDiagonalTransformerTest.java   |   8 +-
 .../math4/legacy/linear/BigRealFieldTest.java      |   1 -
 .../commons/math4/legacy/linear/BigRealTest.java   |   1 -
 .../math4/legacy/linear/BlockFieldMatrixTest.java  |  11 +-
 .../math4/legacy/linear/BlockRealMatrixTest.java   |   6 +-
 .../legacy/linear/CholeskyDecompositionTest.java   |   1 -
 .../math4/legacy/linear/CholeskySolverTest.java    |   2 -
 .../math4/legacy/linear/DiagonalMatrixTest.java    |   2 -
 .../legacy/linear/EigenDecompositionTest.java      |   6 -
 .../legacy/linear/FieldLUDecompositionTest.java    |   4 -
 .../math4/legacy/linear/FieldMatrixImplTest.java   |   2 -
 .../math4/legacy/linear/LUDecompositionTest.java   |   4 -
 .../legacy/linear/OpenIntToDoubleHashMapTest.java  |   4 +-
 .../math4/legacy/linear/OpenIntToFieldTest.java    |   3 +-
 .../math4/legacy/linear/QRDecompositionTest.java   |   7 -
 .../commons/math4/legacy/linear/QRSolverTest.java  |   3 -
 .../math4/legacy/linear/RRQRDecompositionTest.java |   5 -
 .../math4/legacy/linear/RRQRSolverTest.java        |   6 -
 .../legacy/linear/RealVectorAbstractTest.java      |   3 -
 .../RectangularCholeskyDecompositionTest.java      |   4 -
 .../linear/SingularValueDecompositionTest.java     |   6 -
 .../legacy/linear/SingularValueSolverTest.java     |   2 -
 .../math4/legacy/linear/SparseFieldMatrixTest.java |   2 -
 .../math4/legacy/linear/SparseFieldVectorTest.java |   4 -
 .../math4/legacy/linear/SparseRealMatrixTest.java  |   2 -
 .../math4/legacy/linear/SparseRealVectorTest.java  |   2 -
 .../legacy/linear/TriDiagonalTransformerTest.java  |   2 +-
 .../linear/UnmodifiableRealVectorAbstractTest.java |   1 -
 .../legacy/ml/clustering/DBSCANClustererTest.java  |   6 +-
 .../ml/clustering/FuzzyKMeansClustererTest.java    |   3 +-
 .../ml/clustering/KMeansPlusPlusClustererTest.java |   4 -
 .../MultiKMeansPlusPlusClustererTest.java          |   5 +-
 .../legacy/ode/ContinuousOutputFieldModelTest.java |   8 +-
 .../legacy/ode/ContinuousOutputModelTest.java      |   3 -
 .../math4/legacy/ode/FieldExpandableODETest.java   |   3 -
 .../math4/legacy/ode/FirstOrderConverterTest.java  |   3 -
 .../math4/legacy/ode/JacobianMatricesTest.java     |   5 -
 .../math4/legacy/ode/TestFieldProblem1.java        |   2 -
 .../math4/legacy/ode/TestFieldProblem2.java        |   2 -
 .../math4/legacy/ode/TestFieldProblem3.java        |   5 +-
 .../math4/legacy/ode/TestFieldProblem5.java        |   1 -
 .../math4/legacy/ode/TestFieldProblem6.java        |   3 -
 .../math4/legacy/ode/TestFieldProblemAbstract.java |   1 -
 .../math4/legacy/ode/TestFieldProblemHandler.java  |   1 -
 .../commons/math4/legacy/ode/TestProblem1.java     |   2 -
 .../commons/math4/legacy/ode/TestProblem2.java     |   2 -
 .../commons/math4/legacy/ode/TestProblem3.java     |   4 +-
 .../commons/math4/legacy/ode/TestProblem4.java     |   3 -
 .../commons/math4/legacy/ode/TestProblem5.java     |   1 -
 .../commons/math4/legacy/ode/TestProblem6.java     |   2 -
 .../math4/legacy/ode/TestProblemHandler.java       |   2 -
 .../math4/legacy/ode/events/CloseEventsTest.java   |   3 -
 .../math4/legacy/ode/events/EventFilterTest.java   |   9 --
 .../math4/legacy/ode/events/EventStateTest.java    |   5 -
 ...tractEmbeddedRungeKuttaFieldIntegratorTest.java |  13 --
 .../AbstractRungeKuttaFieldIntegratorTest.java     |  14 --
 .../AdamsBashforthFieldIntegratorTest.java         |   1 -
 .../ode/nonstiff/AdamsBashforthIntegratorTest.java |   9 --
 .../nonstiff/AdamsFieldIntegratorAbstractTest.java |   9 --
 .../nonstiff/AdamsMoultonFieldIntegratorTest.java  |   1 -
 .../ode/nonstiff/AdamsMoultonIntegratorTest.java   |   8 --
 .../nonstiff/AdamsNordsieckTransformerTest.java    |   4 -
 ...lassicalRungKuttaFieldStepInterpolatorTest.java |   1 -
 .../ClassicalRungeKuttaFieldIntegratorTest.java    |   2 -
 .../ClassicalRungeKuttaIntegratorTest.java         |   7 -
 .../ClassicalRungeKuttaStepInterpolatorTest.java   |   2 -
 .../DormandPrince54FieldIntegratorTest.java        |   1 -
 .../DormandPrince54FieldStepInterpolatorTest.java  |   1 -
 .../nonstiff/DormandPrince54IntegratorTest.java    |   8 --
 .../DormandPrince54StepInterpolatorTest.java       |   3 -
 .../DormandPrince853FieldIntegratorTest.java       |   1 -
 .../DormandPrince853FieldStepInterpolatorTest.java |   1 -
 .../nonstiff/DormandPrince853IntegratorTest.java   |  12 --
 .../DormandPrince853StepInterpolatorTest.java      |   3 -
 ...eddedRungeKuttaFieldIntegratorAbstractTest.java |  13 --
 .../ode/nonstiff/EulerFieldIntegratorTest.java     |   2 -
 .../nonstiff/EulerFieldStepInterpolatorTest.java   |   1 -
 .../legacy/ode/nonstiff/EulerIntegratorTest.java   |   6 -
 .../ode/nonstiff/EulerStepInterpolatorTest.java    |   6 -
 .../ode/nonstiff/GillFieldIntegratorTest.java      |   2 -
 .../nonstiff/GillFieldStepInterpolatorTest.java    |   1 -
 .../legacy/ode/nonstiff/GillIntegratorTest.java    |   6 -
 .../ode/nonstiff/GillStepInterpolatorTest.java     |   2 -
 .../nonstiff/GraggBulirschStoerIntegratorTest.java |  10 --
 .../GraggBulirschStoerStepInterpolatorTest.java    |   3 -
 .../nonstiff/HighamHall54FieldIntegratorTest.java  |   1 -
 .../HighamHall54FieldStepInterpolatorTest.java     |   1 -
 .../ode/nonstiff/HighamHall54IntegratorTest.java   |   9 --
 .../nonstiff/HighamHall54StepInterpolatorTest.java |   3 -
 .../ode/nonstiff/LutherFieldIntegratorTest.java    |   1 -
 .../nonstiff/LutherFieldStepInterpolatorTest.java  |   1 -
 .../legacy/ode/nonstiff/LutherIntegratorTest.java  |   5 -
 .../ode/nonstiff/LutherStepInterpolatorTest.java   |   2 -
 .../ode/nonstiff/MidpointFieldIntegratorTest.java  |   2 -
 .../MidpointFieldStepInterpolatorTest.java         |   1 -
 .../ode/nonstiff/MidpointIntegratorTest.java       |   6 -
 .../ode/nonstiff/MidpointStepInterpolatorTest.java |   2 -
 .../RungeKuttaFieldIntegratorAbstractTest.java     |  14 --
 ...ungeKuttaFieldStepInterpolatorAbstractTest.java |   8 --
 .../legacy/ode/nonstiff/StepFieldProblem.java      |   1 -
 .../math4/legacy/ode/nonstiff/StepProblem.java     |   1 -
 .../nonstiff/ThreeEighthesFieldIntegratorTest.java |   2 -
 .../ThreeEighthesFieldStepInterpolatorTest.java    |   1 -
 .../ode/nonstiff/ThreeEighthesIntegratorTest.java  |   7 -
 .../ThreeEighthesStepInterpolatorTest.java         |   2 -
 .../ode/sampling/DummyFieldStepInterpolator.java   |   1 -
 .../legacy/ode/sampling/DummyStepInterpolator.java |   3 -
 .../ode/sampling/DummyStepInterpolatorTest.java    |   4 -
 .../sampling/NordsieckStepInterpolatorTest.java    |   2 -
 .../ode/sampling/StepInterpolatorTestUtils.java    |   6 -
 .../ode/sampling/StepNormalizerOutputTestBase.java |   1 -
 .../legacy/ode/sampling/StepNormalizerTest.java    |   1 -
 .../math4/legacy/optim/SimplePointCheckerTest.java |   2 +-
 .../math4/legacy/optim/SimpleValueCheckerTest.java |   1 -
 .../legacy/optim/linear/SimplexSolverTest.java     |   2 -
 .../MultivariateFunctionMappingAdapterTest.java    |   1 -
 .../MultivariateFunctionPenaltyAdapterTest.java    |   3 +-
 .../NonLinearConjugateGradientOptimizerTest.java   |   6 -
 .../SimpleUnivariateValueCheckerTest.java          |   1 -
 .../legacy/random/SobolSequenceGeneratorTest.java  |   1 -
 .../commons/math4/legacy/stat/FrequencyTest.java   |   3 +-
 .../commons/math4/legacy/stat/StatUtilsTest.java   |   4 -
 .../legacy/stat/correlation/CovarianceTest.java    |   1 -
 .../stat/correlation/KendallsCorrelationTest.java  |   1 -
 .../correlation/SpearmansRankCorrelationTest.java  |   1 -
 .../stat/correlation/StorelessCovarianceTest.java  |   2 -
 .../AggregateSummaryStatisticsTest.java            |   3 -
 .../descriptive/DescriptiveStatisticsTest.java     |   4 -
 .../stat/descriptive/DoubleArrayAbstractTest.java  |   3 -
 .../MultivariateSummaryStatisticsTest.java         |   3 -
 .../stat/descriptive/ResizableDoubleArrayTest.java |   5 -
 .../StorelessUnivariateStatisticAbstractTest.java  |   3 -
 .../stat/descriptive/SummaryStatisticsTest.java    |   2 -
 .../UnivariateStatisticAbstractTest.java           |   2 -
 .../stat/descriptive/moment/FourthMomentTest.java  |   1 -
 .../stat/descriptive/moment/GeometricMeanTest.java |   1 -
 .../stat/descriptive/moment/InteractionTest.java   |   2 -
 .../stat/descriptive/moment/KurtosisTest.java      |   1 -
 .../legacy/stat/descriptive/moment/MeanTest.java   |   1 -
 .../stat/descriptive/moment/SecondMomentTest.java  |   1 -
 .../descriptive/moment/StandardDeviationTest.java  |   1 -
 .../stat/descriptive/moment/ThirdMomentTest.java   |   1 -
 .../stat/descriptive/moment/VarianceTest.java      |   2 -
 .../moment/VectorialCovarianceTest.java            |   1 -
 .../stat/descriptive/moment/VectorialMeanTest.java |   1 -
 .../legacy/stat/descriptive/rank/MaxTest.java      |   1 -
 .../legacy/stat/descriptive/rank/MinTest.java      |   1 -
 .../descriptive/rank/PSquarePercentileTest.java    |  12 +-
 .../stat/descriptive/rank/PercentileTest.java      |   3 -
 .../stat/descriptive/summary/ProductTest.java      |   1 -
 .../stat/descriptive/summary/SumLogTest.java       |   1 -
 .../legacy/stat/descriptive/summary/SumSqTest.java |   1 -
 .../legacy/stat/descriptive/summary/SumTest.java   |   1 -
 .../legacy/stat/inference/BinomialTestTest.java    |   1 -
 .../legacy/stat/inference/ChiSquareTestTest.java   |   1 -
 .../stat/inference/InferenceTestUtilsTest.java     |   2 -
 .../stat/inference/KolmogorovSmirnovTestTest.java  |   3 -
 .../legacy/stat/inference/OneWayAnovaTest.java     |   3 -
 .../math4/legacy/stat/inference/TTestTest.java     |   1 -
 .../stat/interval/AgrestiCoullIntervalTest.java    |   1 -
 .../interval/NormalApproximationIntervalTest.java  |   1 -
 .../legacy/stat/ranking/NaturalRankingTest.java    |   1 -
 .../GLSMultipleLinearRegressionTest.java           |   1 -
 .../regression/MillerUpdatingRegressionTest.java   |   3 -
 .../MultipleLinearRegressionAbstractTest.java      |   1 -
 .../OLSMultipleLinearRegressionTest.java           |   2 -
 .../stat/regression/SimpleRegressionTest.java      |   3 -
 .../math4/legacy/util/CombinatoricsUtilsTest.java  |   1 -
 .../apache/commons/math4/legacy/util/TestBean.java |   1 -
 .../RealFunctionValidation.java                    |   1 -
 commons-math-neuralnet/pom.xml                     |   3 +-
 .../apache/commons/math4/neuralnet/Network.java    |   2 +-
 commons-math-transform/pom.xml                     |   3 +-
 pom.xml                                            | 150 +++++++--------------
 src/changes/changes.xml                            |  92 ++++++-------
 .../resources/checkstyle/checkstyle-legacy.xml     |   2 +-
 .../checkstyle/checkstyle-suppressions-legacy.xml  |  15 +++
 src/site/site.xml                                  |   4 +-
 src/site/xdoc/developers.xml                       |  32 ++---
 src/site/xdoc/index.xml                            |   4 +-
 src/site/xdoc/mail-lists.xml                       |  12 +-
 src/site/xdoc/proposal.xml                         |  30 ++---
 src/site/xdoc/userguide/analysis.xml               |  14 +-
 src/site/xdoc/userguide/complex.xml                |   2 +-
 src/site/xdoc/userguide/exceptions.xml             |   2 +-
 src/site/xdoc/userguide/filter.xml                 |  30 ++---
 src/site/xdoc/userguide/fraction.xml               |   6 +-
 src/site/xdoc/userguide/genetics.xml               |  28 ++--
 src/site/xdoc/userguide/geometry.xml               |   2 +-
 src/site/xdoc/userguide/index.xml                  |  36 ++---
 src/site/xdoc/userguide/linear.xml                 |  14 +-
 src/site/xdoc/userguide/ml.xml                     |  24 ++--
 src/site/xdoc/userguide/ode.xml                    |   4 +-
 src/site/xdoc/userguide/optimization.xml           |   2 +-
 src/site/xdoc/userguide/overview.xml               |  30 ++---
 src/site/xdoc/userguide/random.xml                 |   4 +-
 src/site/xdoc/userguide/special.xml                |   6 +-
 src/site/xdoc/userguide/stat.xml                   |  78 +++++------
 src/site/xdoc/userguide/transform.xml              |   2 +-
 src/site/xdoc/userguide/utilities.xml              |  28 ++--
 .../userguide/ClusterAlgorithmComparison.java      |  67 +++++----
 .../commons/math4/userguide/ExampleUtils.java      |  11 +-
 .../math4/userguide/FastMathTestPerformance.java   |   6 +-
 .../LowDiscrepancyGeneratorComparison.java         |  50 +++----
 .../math4/userguide/filter/CannonballExample.java  |  62 ++++-----
 .../userguide/filter/ConstantVoltageExample.java   |  48 ++++---
 .../userguide/genetics/HelloWorldExample.java      |  23 ++--
 .../userguide/genetics/ImageEvolutionExample.java  |  23 ++--
 .../commons/math4/userguide/genetics/Polygon.java  |  14 +-
 .../userguide/genetics/PolygonChromosome.java      |   7 +-
 .../userguide/genetics/RandomPolygonMutation.java  |   6 +-
 src/userguide/pom.xml                              |   6 +-
 587 files changed, 710 insertions(+), 2302 deletions(-)
 delete mode 100644 .travis.yml


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