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Posted to commits@commons.apache.org by tn...@apache.org on 2015/03/16 21:30:01 UTC

[1/3] [math] Add missing @Override tags, add final for member variables where applicable.

Repository: commons-math
Updated Branches:
  refs/heads/master bfb3cf8bb -> 093e3bb2e


Add missing @Override tags, add final for member variables where applicable.


Project: http://git-wip-us.apache.org/repos/asf/commons-math/repo
Commit: http://git-wip-us.apache.org/repos/asf/commons-math/commit/9e26d993
Tree: http://git-wip-us.apache.org/repos/asf/commons-math/tree/9e26d993
Diff: http://git-wip-us.apache.org/repos/asf/commons-math/diff/9e26d993

Branch: refs/heads/master
Commit: 9e26d9933a22709b3ff19c1eefd9ed8133860015
Parents: bfb3cf8
Author: Thomas Neidhart <th...@gmail.com>
Authored: Mon Mar 16 21:24:39 2015 +0100
Committer: Thomas Neidhart <th...@gmail.com>
Committed: Mon Mar 16 21:24:39 2015 +0100

----------------------------------------------------------------------
 .../math4/distribution/AbstractIntegerDistribution.java   |  6 ++++++
 .../AbstractMultivariateRealDistribution.java             |  4 ++++
 .../math4/distribution/AbstractRealDistribution.java      | 10 +++++++++-
 .../commons/math4/distribution/BetaDistribution.java      |  7 +++++++
 .../commons/math4/distribution/BinomialDistribution.java  |  7 +++++++
 .../commons/math4/distribution/CauchyDistribution.java    |  7 +++++++
 .../math4/distribution/ChiSquaredDistribution.java        |  7 +++++++
 .../math4/distribution/ConstantRealDistribution.java      |  7 +++++++
 .../math4/distribution/EnumeratedIntegerDistribution.java |  7 +++++++
 .../math4/distribution/EnumeratedRealDistribution.java    |  7 +++++++
 .../math4/distribution/ExponentialDistribution.java       |  7 +++++++
 .../apache/commons/math4/distribution/FDistribution.java  |  7 +++++++
 .../commons/math4/distribution/GammaDistribution.java     |  7 +++++++
 .../commons/math4/distribution/GeometricDistribution.java |  7 +++++++
 .../commons/math4/distribution/GumbelDistribution.java    |  7 +++++++
 .../math4/distribution/HypergeometricDistribution.java    |  7 +++++++
 .../commons/math4/distribution/IntegerDistribution.java   |  4 ++--
 .../commons/math4/distribution/LaplaceDistribution.java   |  7 +++++++
 .../commons/math4/distribution/LevyDistribution.java      |  7 +++++++
 .../commons/math4/distribution/LogNormalDistribution.java |  7 +++++++
 .../commons/math4/distribution/LogisticDistribution.java  |  7 +++++++
 .../distribution/MixtureMultivariateRealDistribution.java |  1 +
 .../distribution/MultivariateNormalDistribution.java      |  1 +
 .../commons/math4/distribution/NakagamiDistribution.java  |  7 +++++++
 .../commons/math4/distribution/NormalDistribution.java    |  7 +++++++
 .../commons/math4/distribution/ParetoDistribution.java    |  8 +++++++-
 .../commons/math4/distribution/PascalDistribution.java    |  7 +++++++
 .../apache/commons/math4/distribution/TDistribution.java  |  7 +++++++
 .../math4/distribution/TriangularDistribution.java        |  7 +++++++
 .../math4/distribution/UniformIntegerDistribution.java    |  7 +++++++
 .../math4/distribution/UniformRealDistribution.java       |  7 +++++++
 .../commons/math4/distribution/WeibullDistribution.java   |  7 +++++++
 .../commons/math4/distribution/ZipfDistribution.java      |  7 +++++++
 .../MultivariateNormalMixtureExpectationMaximization.java |  1 +
 34 files changed, 213 insertions(+), 4 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/commons-math/blob/9e26d993/src/main/java/org/apache/commons/math4/distribution/AbstractIntegerDistribution.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/distribution/AbstractIntegerDistribution.java b/src/main/java/org/apache/commons/math4/distribution/AbstractIntegerDistribution.java
index 8afd164..95d6f07 100644
--- a/src/main/java/org/apache/commons/math4/distribution/AbstractIntegerDistribution.java
+++ b/src/main/java/org/apache/commons/math4/distribution/AbstractIntegerDistribution.java
@@ -59,6 +59,7 @@ public abstract class AbstractIntegerDistribution implements IntegerDistribution
      *
      * @since 4.0, was previously named cumulativeProbability
      */
+    @Override
     public double probability(int x0, int x1) throws NumberIsTooLargeException {
         if (x1 < x0) {
             throw new NumberIsTooLargeException(LocalizedFormats.LOWER_ENDPOINT_ABOVE_UPPER_ENDPOINT,
@@ -78,6 +79,7 @@ public abstract class AbstractIntegerDistribution implements IntegerDistribution
      *     {@code 0 < p < 1}.</li>
      * </ul>
      */
+    @Override
     public int inverseCumulativeProbability(final double p) throws OutOfRangeException {
         if (p < 0.0 || p > 1.0) {
             throw new OutOfRangeException(p, 0, 1);
@@ -158,6 +160,7 @@ public abstract class AbstractIntegerDistribution implements IntegerDistribution
     }
 
     /** {@inheritDoc} */
+    @Override
     public void reseedRandomGenerator(long seed) {
         random.setSeed(seed);
     }
@@ -169,6 +172,7 @@ public abstract class AbstractIntegerDistribution implements IntegerDistribution
      * <a href="http://en.wikipedia.org/wiki/Inverse_transform_sampling">
      * inversion method</a>.
      */
+    @Override
     public int sample() {
         return inverseCumulativeProbability(random.nextDouble());
     }
@@ -179,6 +183,7 @@ public abstract class AbstractIntegerDistribution implements IntegerDistribution
      * The default implementation generates the sample by calling
      * {@link #sample()} in a loop.
      */
+    @Override
     public int[] sample(int sampleSize) {
         if (sampleSize <= 0) {
             throw new NotStrictlyPositiveException(
@@ -218,6 +223,7 @@ public abstract class AbstractIntegerDistribution implements IntegerDistribution
      * <p>
      * The default implementation simply computes the logarithm of {@code probability(x)}.
      */
+    @Override
     public double logProbability(int x) {
         return FastMath.log(probability(x));
     }

http://git-wip-us.apache.org/repos/asf/commons-math/blob/9e26d993/src/main/java/org/apache/commons/math4/distribution/AbstractMultivariateRealDistribution.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/distribution/AbstractMultivariateRealDistribution.java b/src/main/java/org/apache/commons/math4/distribution/AbstractMultivariateRealDistribution.java
index 48de3c8..93e4b7b 100644
--- a/src/main/java/org/apache/commons/math4/distribution/AbstractMultivariateRealDistribution.java
+++ b/src/main/java/org/apache/commons/math4/distribution/AbstractMultivariateRealDistribution.java
@@ -43,19 +43,23 @@ public abstract class AbstractMultivariateRealDistribution
     }
 
     /** {@inheritDoc} */
+    @Override
     public void reseedRandomGenerator(long seed) {
         random.setSeed(seed);
     }
 
     /** {@inheritDoc} */
+    @Override
     public int getDimension() {
         return dimension;
     }
 
     /** {@inheritDoc} */
+    @Override
     public abstract double[] sample();
 
     /** {@inheritDoc} */
+    @Override
     public double[][] sample(final int sampleSize) {
         if (sampleSize <= 0) {
             throw new NotStrictlyPositiveException(LocalizedFormats.NUMBER_OF_SAMPLES,

http://git-wip-us.apache.org/repos/asf/commons-math/blob/9e26d993/src/main/java/org/apache/commons/math4/distribution/AbstractRealDistribution.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/distribution/AbstractRealDistribution.java b/src/main/java/org/apache/commons/math4/distribution/AbstractRealDistribution.java
index 1c43540..247c3de 100644
--- a/src/main/java/org/apache/commons/math4/distribution/AbstractRealDistribution.java
+++ b/src/main/java/org/apache/commons/math4/distribution/AbstractRealDistribution.java
@@ -48,7 +48,7 @@ implements RealDistribution, Serializable {
     protected final RandomGenerator random;
 
     /** Solver absolute accuracy for inverse cumulative computation */
-    private double solverAbsoluteAccuracy = SOLVER_DEFAULT_ABSOLUTE_ACCURACY;
+    private final double solverAbsoluteAccuracy = SOLVER_DEFAULT_ABSOLUTE_ACCURACY;
 
     /**
      * @param rng Random number generator.
@@ -74,6 +74,7 @@ implements RealDistribution, Serializable {
      *
      * @since 3.1
      */
+    @Override
     public double probability(double x0,
                               double x1) {
         if (x0 > x1) {
@@ -92,6 +93,7 @@ implements RealDistribution, Serializable {
      * <li>{@link #getSupportUpperBound()} for {@code p = 1}.</li>
      * </ul>
      */
+    @Override
     public double inverseCumulativeProbability(final double p) throws OutOfRangeException {
         /*
          * IMPLEMENTATION NOTES
@@ -165,6 +167,7 @@ implements RealDistribution, Serializable {
 
         final UnivariateFunction toSolve = new UnivariateFunction() {
 
+            @Override
             public double value(final double x) {
                 return cumulativeProbability(x) - p;
             }
@@ -209,6 +212,7 @@ implements RealDistribution, Serializable {
     }
 
     /** {@inheritDoc} */
+    @Override
     public void reseedRandomGenerator(long seed) {
         random.setSeed(seed);
     }
@@ -221,6 +225,7 @@ implements RealDistribution, Serializable {
      * inversion method.
      * </a>
      */
+    @Override
     public double sample() {
         return inverseCumulativeProbability(random.nextDouble());
     }
@@ -231,6 +236,7 @@ implements RealDistribution, Serializable {
      * The default implementation generates the sample by calling
      * {@link #sample()} in a loop.
      */
+    @Override
     public double[] sample(int sampleSize) {
         if (sampleSize <= 0) {
             throw new NotStrictlyPositiveException(LocalizedFormats.NUMBER_OF_SAMPLES,
@@ -249,6 +255,7 @@ implements RealDistribution, Serializable {
      * @return zero.
      * @since 3.1
      */
+    @Override
     public double probability(double x) {
         return 0d;
     }
@@ -258,6 +265,7 @@ implements RealDistribution, Serializable {
      * <p>
      * The default implementation simply computes the logarithm of {@code density(x)}.
      */
+    @Override
     public double logDensity(double x) {
         return FastMath.log(density(x));
     }

http://git-wip-us.apache.org/repos/asf/commons-math/blob/9e26d993/src/main/java/org/apache/commons/math4/distribution/BetaDistribution.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/distribution/BetaDistribution.java b/src/main/java/org/apache/commons/math4/distribution/BetaDistribution.java
index 408762d..d800510 100644
--- a/src/main/java/org/apache/commons/math4/distribution/BetaDistribution.java
+++ b/src/main/java/org/apache/commons/math4/distribution/BetaDistribution.java
@@ -148,6 +148,7 @@ public class BetaDistribution extends AbstractRealDistribution {
     }
 
     /** {@inheritDoc} */
+    @Override
     public double density(double x) {
         final double logDensity = logDensity(x);
         return logDensity == Double.NEGATIVE_INFINITY ? 0 : FastMath.exp(logDensity);
@@ -177,6 +178,7 @@ public class BetaDistribution extends AbstractRealDistribution {
     }
 
     /** {@inheritDoc} */
+    @Override
     public double cumulativeProbability(double x)  {
         if (x <= 0) {
             return 0;
@@ -205,6 +207,7 @@ public class BetaDistribution extends AbstractRealDistribution {
      * For first shape parameter {@code alpha} and second shape parameter
      * {@code beta}, the mean is {@code alpha / (alpha + beta)}.
      */
+    @Override
     public double getNumericalMean() {
         final double a = getAlpha();
         return a / (a + getBeta());
@@ -217,6 +220,7 @@ public class BetaDistribution extends AbstractRealDistribution {
      * {@code beta}, the variance is
      * {@code (alpha * beta) / [(alpha + beta)^2 * (alpha + beta + 1)]}.
      */
+    @Override
     public double getNumericalVariance() {
         final double a = getAlpha();
         final double b = getBeta();
@@ -231,6 +235,7 @@ public class BetaDistribution extends AbstractRealDistribution {
      *
      * @return lower bound of the support (always 0)
      */
+    @Override
     public double getSupportLowerBound() {
         return 0;
     }
@@ -242,6 +247,7 @@ public class BetaDistribution extends AbstractRealDistribution {
      *
      * @return upper bound of the support (always 1)
      */
+    @Override
     public double getSupportUpperBound() {
         return 1;
     }
@@ -253,6 +259,7 @@ public class BetaDistribution extends AbstractRealDistribution {
      *
      * @return {@code true}
      */
+    @Override
     public boolean isSupportConnected() {
         return true;
     }

http://git-wip-us.apache.org/repos/asf/commons-math/blob/9e26d993/src/main/java/org/apache/commons/math4/distribution/BinomialDistribution.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/distribution/BinomialDistribution.java b/src/main/java/org/apache/commons/math4/distribution/BinomialDistribution.java
index bdb356b..a9e94c6 100644
--- a/src/main/java/org/apache/commons/math4/distribution/BinomialDistribution.java
+++ b/src/main/java/org/apache/commons/math4/distribution/BinomialDistribution.java
@@ -104,6 +104,7 @@ public class BinomialDistribution extends AbstractIntegerDistribution {
     }
 
     /** {@inheritDoc} */
+    @Override
     public double probability(int x) {
         final double logProbability = logProbability(x);
         return logProbability == Double.NEGATIVE_INFINITY ? 0 : FastMath.exp(logProbability);
@@ -127,6 +128,7 @@ public class BinomialDistribution extends AbstractIntegerDistribution {
     }
 
     /** {@inheritDoc} */
+    @Override
     public double cumulativeProbability(int x) {
         double ret;
         if (x < 0) {
@@ -146,6 +148,7 @@ public class BinomialDistribution extends AbstractIntegerDistribution {
      * For {@code n} trials and probability parameter {@code p}, the mean is
      * {@code n * p}.
      */
+    @Override
     public double getNumericalMean() {
         return numberOfTrials * probabilityOfSuccess;
     }
@@ -156,6 +159,7 @@ public class BinomialDistribution extends AbstractIntegerDistribution {
      * For {@code n} trials and probability parameter {@code p}, the variance is
      * {@code n * p * (1 - p)}.
      */
+    @Override
     public double getNumericalVariance() {
         final double p = probabilityOfSuccess;
         return numberOfTrials * p * (1 - p);
@@ -169,6 +173,7 @@ public class BinomialDistribution extends AbstractIntegerDistribution {
      *
      * @return lower bound of the support (0 or the number of trials)
      */
+    @Override
     public int getSupportLowerBound() {
         return probabilityOfSuccess < 1.0 ? 0 : numberOfTrials;
     }
@@ -181,6 +186,7 @@ public class BinomialDistribution extends AbstractIntegerDistribution {
      *
      * @return upper bound of the support (number of trials or 0)
      */
+    @Override
     public int getSupportUpperBound() {
         return probabilityOfSuccess > 0.0 ? numberOfTrials : 0;
     }
@@ -192,6 +198,7 @@ public class BinomialDistribution extends AbstractIntegerDistribution {
      *
      * @return {@code true}
      */
+    @Override
     public boolean isSupportConnected() {
         return true;
     }

http://git-wip-us.apache.org/repos/asf/commons-math/blob/9e26d993/src/main/java/org/apache/commons/math4/distribution/CauchyDistribution.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/distribution/CauchyDistribution.java b/src/main/java/org/apache/commons/math4/distribution/CauchyDistribution.java
index d38b771..39870fb 100644
--- a/src/main/java/org/apache/commons/math4/distribution/CauchyDistribution.java
+++ b/src/main/java/org/apache/commons/math4/distribution/CauchyDistribution.java
@@ -132,6 +132,7 @@ public class CauchyDistribution extends AbstractRealDistribution {
     }
 
     /** {@inheritDoc} */
+    @Override
     public double cumulativeProbability(double x) {
         return 0.5 + (FastMath.atan((x - median) / scale) / FastMath.PI);
     }
@@ -155,6 +156,7 @@ public class CauchyDistribution extends AbstractRealDistribution {
     }
 
     /** {@inheritDoc} */
+    @Override
     public double density(double x) {
         final double dev = x - median;
         return (1 / FastMath.PI) * (scale / (dev * dev + scale * scale));
@@ -194,6 +196,7 @@ public class CauchyDistribution extends AbstractRealDistribution {
      *
      * @return mean (always Double.NaN)
      */
+    @Override
     public double getNumericalMean() {
         return Double.NaN;
     }
@@ -205,6 +208,7 @@ public class CauchyDistribution extends AbstractRealDistribution {
      *
      * @return variance (always Double.NaN)
      */
+    @Override
     public double getNumericalVariance() {
         return Double.NaN;
     }
@@ -217,6 +221,7 @@ public class CauchyDistribution extends AbstractRealDistribution {
      *
      * @return lower bound of the support (always Double.NEGATIVE_INFINITY)
      */
+    @Override
     public double getSupportLowerBound() {
         return Double.NEGATIVE_INFINITY;
     }
@@ -229,6 +234,7 @@ public class CauchyDistribution extends AbstractRealDistribution {
      *
      * @return upper bound of the support (always Double.POSITIVE_INFINITY)
      */
+    @Override
     public double getSupportUpperBound() {
         return Double.POSITIVE_INFINITY;
     }
@@ -240,6 +246,7 @@ public class CauchyDistribution extends AbstractRealDistribution {
      *
      * @return {@code true}
      */
+    @Override
     public boolean isSupportConnected() {
         return true;
     }

http://git-wip-us.apache.org/repos/asf/commons-math/blob/9e26d993/src/main/java/org/apache/commons/math4/distribution/ChiSquaredDistribution.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/distribution/ChiSquaredDistribution.java b/src/main/java/org/apache/commons/math4/distribution/ChiSquaredDistribution.java
index a591b0f..b91754b 100644
--- a/src/main/java/org/apache/commons/math4/distribution/ChiSquaredDistribution.java
+++ b/src/main/java/org/apache/commons/math4/distribution/ChiSquaredDistribution.java
@@ -110,6 +110,7 @@ public class ChiSquaredDistribution extends AbstractRealDistribution {
     }
 
     /** {@inheritDoc} */
+    @Override
     public double density(double x) {
         return gamma.density(x);
     }
@@ -121,6 +122,7 @@ public class ChiSquaredDistribution extends AbstractRealDistribution {
     }
 
     /** {@inheritDoc} */
+    @Override
     public double cumulativeProbability(double x)  {
         return gamma.cumulativeProbability(x);
     }
@@ -136,6 +138,7 @@ public class ChiSquaredDistribution extends AbstractRealDistribution {
      *
      * For {@code k} degrees of freedom, the mean is {@code k}.
      */
+    @Override
     public double getNumericalMean() {
         return getDegreesOfFreedom();
     }
@@ -145,6 +148,7 @@ public class ChiSquaredDistribution extends AbstractRealDistribution {
      *
      * @return {@code 2 * k}, where {@code k} is the number of degrees of freedom.
      */
+    @Override
     public double getNumericalVariance() {
         return 2 * getDegreesOfFreedom();
     }
@@ -157,6 +161,7 @@ public class ChiSquaredDistribution extends AbstractRealDistribution {
      *
      * @return zero.
      */
+    @Override
     public double getSupportLowerBound() {
         return 0;
     }
@@ -169,6 +174,7 @@ public class ChiSquaredDistribution extends AbstractRealDistribution {
      *
      * @return {@code Double.POSITIVE_INFINITY}.
      */
+    @Override
     public double getSupportUpperBound() {
         return Double.POSITIVE_INFINITY;
     }
@@ -180,6 +186,7 @@ public class ChiSquaredDistribution extends AbstractRealDistribution {
      *
      * @return {@code true}
      */
+    @Override
     public boolean isSupportConnected() {
         return true;
     }

http://git-wip-us.apache.org/repos/asf/commons-math/blob/9e26d993/src/main/java/org/apache/commons/math4/distribution/ConstantRealDistribution.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/distribution/ConstantRealDistribution.java b/src/main/java/org/apache/commons/math4/distribution/ConstantRealDistribution.java
index 7f1b8bd..0f7ab33 100644
--- a/src/main/java/org/apache/commons/math4/distribution/ConstantRealDistribution.java
+++ b/src/main/java/org/apache/commons/math4/distribution/ConstantRealDistribution.java
@@ -43,11 +43,13 @@ public class ConstantRealDistribution extends AbstractRealDistribution {
     }
 
     /** {@inheritDoc} */
+    @Override
     public double density(double x) {
         return x == value ? 1 : 0;
     }
 
     /** {@inheritDoc} */
+    @Override
     public double cumulativeProbability(double x)  {
         return x < value ? 0 : 1;
     }
@@ -64,6 +66,7 @@ public class ConstantRealDistribution extends AbstractRealDistribution {
     /**
      * {@inheritDoc}
      */
+    @Override
     public double getNumericalMean() {
         return value;
     }
@@ -71,6 +74,7 @@ public class ConstantRealDistribution extends AbstractRealDistribution {
     /**
      * {@inheritDoc}
      */
+    @Override
     public double getNumericalVariance() {
         return 0;
     }
@@ -78,6 +82,7 @@ public class ConstantRealDistribution extends AbstractRealDistribution {
     /**
      * {@inheritDoc}
      */
+    @Override
     public double getSupportLowerBound() {
         return value;
     }
@@ -85,6 +90,7 @@ public class ConstantRealDistribution extends AbstractRealDistribution {
     /**
      * {@inheritDoc}
      */
+    @Override
     public double getSupportUpperBound() {
         return value;
     }
@@ -92,6 +98,7 @@ public class ConstantRealDistribution extends AbstractRealDistribution {
     /**
      * {@inheritDoc}
      */
+    @Override
     public boolean isSupportConnected() {
         return true;
     }

http://git-wip-us.apache.org/repos/asf/commons-math/blob/9e26d993/src/main/java/org/apache/commons/math4/distribution/EnumeratedIntegerDistribution.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/distribution/EnumeratedIntegerDistribution.java b/src/main/java/org/apache/commons/math4/distribution/EnumeratedIntegerDistribution.java
index 05f0d73..623e2cc 100644
--- a/src/main/java/org/apache/commons/math4/distribution/EnumeratedIntegerDistribution.java
+++ b/src/main/java/org/apache/commons/math4/distribution/EnumeratedIntegerDistribution.java
@@ -110,6 +110,7 @@ public class EnumeratedIntegerDistribution extends AbstractIntegerDistribution {
     /**
      * {@inheritDoc}
      */
+    @Override
     public double probability(final int x) {
         return innerDistribution.probability(x);
     }
@@ -117,6 +118,7 @@ public class EnumeratedIntegerDistribution extends AbstractIntegerDistribution {
     /**
      * {@inheritDoc}
      */
+    @Override
     public double cumulativeProbability(final int x) {
         double probability = 0;
 
@@ -134,6 +136,7 @@ public class EnumeratedIntegerDistribution extends AbstractIntegerDistribution {
      *
      * @return {@code sum(singletons[i] * probabilities[i])}
      */
+    @Override
     public double getNumericalMean() {
         double mean = 0;
 
@@ -149,6 +152,7 @@ public class EnumeratedIntegerDistribution extends AbstractIntegerDistribution {
      *
      * @return {@code sum((singletons[i] - mean) ^ 2 * probabilities[i])}
      */
+    @Override
     public double getNumericalVariance() {
         double mean = 0;
         double meanOfSquares = 0;
@@ -168,6 +172,7 @@ public class EnumeratedIntegerDistribution extends AbstractIntegerDistribution {
      *
      * @return the lowest value with non-zero probability.
      */
+    @Override
     public int getSupportLowerBound() {
         int min = Integer.MAX_VALUE;
         for (final Pair<Integer, Double> sample : innerDistribution.getPmf()) {
@@ -186,6 +191,7 @@ public class EnumeratedIntegerDistribution extends AbstractIntegerDistribution {
      *
      * @return the highest value with non-zero probability.
      */
+    @Override
     public int getSupportUpperBound() {
         int max = Integer.MIN_VALUE;
         for (final Pair<Integer, Double> sample : innerDistribution.getPmf()) {
@@ -204,6 +210,7 @@ public class EnumeratedIntegerDistribution extends AbstractIntegerDistribution {
      *
      * @return {@code true}
      */
+    @Override
     public boolean isSupportConnected() {
         return true;
     }

http://git-wip-us.apache.org/repos/asf/commons-math/blob/9e26d993/src/main/java/org/apache/commons/math4/distribution/EnumeratedRealDistribution.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/distribution/EnumeratedRealDistribution.java b/src/main/java/org/apache/commons/math4/distribution/EnumeratedRealDistribution.java
index 8e5e5f6..7702cc9 100644
--- a/src/main/java/org/apache/commons/math4/distribution/EnumeratedRealDistribution.java
+++ b/src/main/java/org/apache/commons/math4/distribution/EnumeratedRealDistribution.java
@@ -125,6 +125,7 @@ public class EnumeratedRealDistribution extends AbstractRealDistribution {
      * @param x the point at which the PMF is evaluated
      * @return the value of the probability mass function at point {@code x}
      */
+    @Override
     public double density(final double x) {
         return probability(x);
     }
@@ -132,6 +133,7 @@ public class EnumeratedRealDistribution extends AbstractRealDistribution {
     /**
      * {@inheritDoc}
      */
+    @Override
     public double cumulativeProbability(final double x) {
         double probability = 0;
 
@@ -176,6 +178,7 @@ public class EnumeratedRealDistribution extends AbstractRealDistribution {
      *
      * @return {@code sum(singletons[i] * probabilities[i])}
      */
+    @Override
     public double getNumericalMean() {
         double mean = 0;
 
@@ -191,6 +194,7 @@ public class EnumeratedRealDistribution extends AbstractRealDistribution {
      *
      * @return {@code sum((singletons[i] - mean) ^ 2 * probabilities[i])}
      */
+    @Override
     public double getNumericalVariance() {
         double mean = 0;
         double meanOfSquares = 0;
@@ -210,6 +214,7 @@ public class EnumeratedRealDistribution extends AbstractRealDistribution {
      *
      * @return the lowest value with non-zero probability.
      */
+    @Override
     public double getSupportLowerBound() {
         double min = Double.POSITIVE_INFINITY;
         for (final Pair<Double, Double> sample : innerDistribution.getPmf()) {
@@ -228,6 +233,7 @@ public class EnumeratedRealDistribution extends AbstractRealDistribution {
      *
      * @return the highest value with non-zero probability.
      */
+    @Override
     public double getSupportUpperBound() {
         double max = Double.NEGATIVE_INFINITY;
         for (final Pair<Double, Double> sample : innerDistribution.getPmf()) {
@@ -246,6 +252,7 @@ public class EnumeratedRealDistribution extends AbstractRealDistribution {
      *
      * @return {@code true}
      */
+    @Override
     public boolean isSupportConnected() {
         return true;
     }

http://git-wip-us.apache.org/repos/asf/commons-math/blob/9e26d993/src/main/java/org/apache/commons/math4/distribution/ExponentialDistribution.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/distribution/ExponentialDistribution.java b/src/main/java/org/apache/commons/math4/distribution/ExponentialDistribution.java
index 8b25680..95b24e7 100644
--- a/src/main/java/org/apache/commons/math4/distribution/ExponentialDistribution.java
+++ b/src/main/java/org/apache/commons/math4/distribution/ExponentialDistribution.java
@@ -174,6 +174,7 @@ public class ExponentialDistribution extends AbstractRealDistribution {
     }
 
     /** {@inheritDoc} */
+    @Override
     public double density(double x) {
         final double logDensity = logDensity(x);
         return logDensity == Double.NEGATIVE_INFINITY ? 0 : FastMath.exp(logDensity);
@@ -198,6 +199,7 @@ public class ExponentialDistribution extends AbstractRealDistribution {
      * Exponential Distribution</a>, equation (1).</li>
      * </ul>
      */
+    @Override
     public double cumulativeProbability(double x)  {
         double ret;
         if (x <= 0.0) {
@@ -291,6 +293,7 @@ public class ExponentialDistribution extends AbstractRealDistribution {
      *
      * For mean parameter {@code k}, the mean is {@code k}.
      */
+    @Override
     public double getNumericalMean() {
         return getMean();
     }
@@ -300,6 +303,7 @@ public class ExponentialDistribution extends AbstractRealDistribution {
      *
      * For mean parameter {@code k}, the variance is {@code k^2}.
      */
+    @Override
     public double getNumericalVariance() {
         final double m = getMean();
         return m * m;
@@ -312,6 +316,7 @@ public class ExponentialDistribution extends AbstractRealDistribution {
      *
      * @return lower bound of the support (always 0)
      */
+    @Override
     public double getSupportLowerBound() {
         return 0;
     }
@@ -324,6 +329,7 @@ public class ExponentialDistribution extends AbstractRealDistribution {
      *
      * @return upper bound of the support (always Double.POSITIVE_INFINITY)
      */
+    @Override
     public double getSupportUpperBound() {
         return Double.POSITIVE_INFINITY;
     }
@@ -335,6 +341,7 @@ public class ExponentialDistribution extends AbstractRealDistribution {
      *
      * @return {@code true}
      */
+    @Override
     public boolean isSupportConnected() {
         return true;
     }

http://git-wip-us.apache.org/repos/asf/commons-math/blob/9e26d993/src/main/java/org/apache/commons/math4/distribution/FDistribution.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/distribution/FDistribution.java b/src/main/java/org/apache/commons/math4/distribution/FDistribution.java
index 12e59dc..907d201 100644
--- a/src/main/java/org/apache/commons/math4/distribution/FDistribution.java
+++ b/src/main/java/org/apache/commons/math4/distribution/FDistribution.java
@@ -154,6 +154,7 @@ public class FDistribution extends AbstractRealDistribution {
      *
      * @since 2.1
      */
+    @Override
     public double density(double x) {
         return FastMath.exp(logDensity(x));
     }
@@ -184,6 +185,7 @@ public class FDistribution extends AbstractRealDistribution {
      *  </li>
      * </ul>
      */
+    @Override
     public double cumulativeProbability(double x)  {
         double ret;
         if (x <= 0) {
@@ -232,6 +234,7 @@ public class FDistribution extends AbstractRealDistribution {
      *  <li>else undefined ({@code Double.NaN}).
      * </ul>
      */
+    @Override
     public double getNumericalMean() {
         final double denominatorDF = getDenominatorDegreesOfFreedom();
 
@@ -255,6 +258,7 @@ public class FDistribution extends AbstractRealDistribution {
      *  <li>else undefined ({@code Double.NaN}).
      * </ul>
      */
+    @Override
     public double getNumericalVariance() {
         if (!numericalVarianceIsCalculated) {
             numericalVariance = calculateNumericalVariance();
@@ -289,6 +293,7 @@ public class FDistribution extends AbstractRealDistribution {
      *
      * @return lower bound of the support (always 0)
      */
+    @Override
     public double getSupportLowerBound() {
         return 0;
     }
@@ -301,6 +306,7 @@ public class FDistribution extends AbstractRealDistribution {
      *
      * @return upper bound of the support (always Double.POSITIVE_INFINITY)
      */
+    @Override
     public double getSupportUpperBound() {
         return Double.POSITIVE_INFINITY;
     }
@@ -312,6 +318,7 @@ public class FDistribution extends AbstractRealDistribution {
      *
      * @return {@code true}
      */
+    @Override
     public boolean isSupportConnected() {
         return true;
     }

http://git-wip-us.apache.org/repos/asf/commons-math/blob/9e26d993/src/main/java/org/apache/commons/math4/distribution/GammaDistribution.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/distribution/GammaDistribution.java b/src/main/java/org/apache/commons/math4/distribution/GammaDistribution.java
index 8709ce0..ac231e3 100644
--- a/src/main/java/org/apache/commons/math4/distribution/GammaDistribution.java
+++ b/src/main/java/org/apache/commons/math4/distribution/GammaDistribution.java
@@ -223,6 +223,7 @@ public class GammaDistribution extends AbstractRealDistribution {
     }
 
     /** {@inheritDoc} */
+    @Override
     public double density(double x) {
        /* The present method must return the value of
         *
@@ -322,6 +323,7 @@ public class GammaDistribution extends AbstractRealDistribution {
      *  </li>
      * </ul>
      */
+    @Override
     public double cumulativeProbability(double x) {
         double ret;
 
@@ -346,6 +348,7 @@ public class GammaDistribution extends AbstractRealDistribution {
      * For shape parameter {@code alpha} and scale parameter {@code beta}, the
      * mean is {@code alpha * beta}.
      */
+    @Override
     public double getNumericalMean() {
         return shape * scale;
     }
@@ -358,6 +361,7 @@ public class GammaDistribution extends AbstractRealDistribution {
      *
      * @return {@inheritDoc}
      */
+    @Override
     public double getNumericalVariance() {
         return shape * scale * scale;
     }
@@ -369,6 +373,7 @@ public class GammaDistribution extends AbstractRealDistribution {
      *
      * @return lower bound of the support (always 0)
      */
+    @Override
     public double getSupportLowerBound() {
         return 0;
     }
@@ -381,6 +386,7 @@ public class GammaDistribution extends AbstractRealDistribution {
      *
      * @return upper bound of the support (always Double.POSITIVE_INFINITY)
      */
+    @Override
     public double getSupportUpperBound() {
         return Double.POSITIVE_INFINITY;
     }
@@ -392,6 +398,7 @@ public class GammaDistribution extends AbstractRealDistribution {
      *
      * @return {@code true}
      */
+    @Override
     public boolean isSupportConnected() {
         return true;
     }

http://git-wip-us.apache.org/repos/asf/commons-math/blob/9e26d993/src/main/java/org/apache/commons/math4/distribution/GeometricDistribution.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/distribution/GeometricDistribution.java b/src/main/java/org/apache/commons/math4/distribution/GeometricDistribution.java
index 0963376..5d8a40d 100644
--- a/src/main/java/org/apache/commons/math4/distribution/GeometricDistribution.java
+++ b/src/main/java/org/apache/commons/math4/distribution/GeometricDistribution.java
@@ -80,6 +80,7 @@ public class GeometricDistribution extends AbstractIntegerDistribution {
     }
 
     /** {@inheritDoc} */
+    @Override
     public double probability(int x) {
         double ret;
         if (x < 0) {
@@ -105,6 +106,7 @@ public class GeometricDistribution extends AbstractIntegerDistribution {
     }
 
     /** {@inheritDoc} */
+    @Override
     public double cumulativeProbability(int x) {
         double ret;
         if (x < 0) {
@@ -121,6 +123,7 @@ public class GeometricDistribution extends AbstractIntegerDistribution {
      *
      * For probability parameter {@code p}, the mean is {@code (1 - p) / p}.
      */
+    @Override
     public double getNumericalMean() {
         final double p = probabilityOfSuccess;
         return (1 - p) / p;
@@ -132,6 +135,7 @@ public class GeometricDistribution extends AbstractIntegerDistribution {
      * For probability parameter {@code p}, the variance is
      * {@code (1 - p) / (p * p)}.
      */
+    @Override
     public double getNumericalVariance() {
         final double p = probabilityOfSuccess;
         return (1 - p) / (p * p);
@@ -144,6 +148,7 @@ public class GeometricDistribution extends AbstractIntegerDistribution {
      *
      * @return lower bound of the support (always 0)
      */
+    @Override
     public int getSupportLowerBound() {
         return 0;
     }
@@ -156,6 +161,7 @@ public class GeometricDistribution extends AbstractIntegerDistribution {
      *
      * @return upper bound of the support (always Integer.MAX_VALUE)
      */
+    @Override
     public int getSupportUpperBound() {
         return Integer.MAX_VALUE;
     }
@@ -167,6 +173,7 @@ public class GeometricDistribution extends AbstractIntegerDistribution {
      *
      * @return {@code true}
      */
+    @Override
     public boolean isSupportConnected() {
         return true;
     }

http://git-wip-us.apache.org/repos/asf/commons-math/blob/9e26d993/src/main/java/org/apache/commons/math4/distribution/GumbelDistribution.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/distribution/GumbelDistribution.java b/src/main/java/org/apache/commons/math4/distribution/GumbelDistribution.java
index 7d54ed8..04288fc 100644
--- a/src/main/java/org/apache/commons/math4/distribution/GumbelDistribution.java
+++ b/src/main/java/org/apache/commons/math4/distribution/GumbelDistribution.java
@@ -104,6 +104,7 @@ public class GumbelDistribution extends AbstractRealDistribution {
     }
 
     /** {@inheritDoc} */
+    @Override
     public double density(double x) {
         final double z = (x - mu) / beta;
         final double t = FastMath.exp(-z);
@@ -111,6 +112,7 @@ public class GumbelDistribution extends AbstractRealDistribution {
     }
 
     /** {@inheritDoc} */
+    @Override
     public double cumulativeProbability(double x) {
         final double z = (x - mu) / beta;
         return FastMath.exp(-FastMath.exp(-z));
@@ -129,26 +131,31 @@ public class GumbelDistribution extends AbstractRealDistribution {
     }
 
     /** {@inheritDoc} */
+    @Override
     public double getNumericalMean() {
         return mu + EULER * beta;
     }
 
     /** {@inheritDoc} */
+    @Override
     public double getNumericalVariance() {
         return (MathUtils.PI_SQUARED) / 6.0 * (beta * beta);
     }
 
     /** {@inheritDoc} */
+    @Override
     public double getSupportLowerBound() {
         return Double.NEGATIVE_INFINITY;
     }
 
     /** {@inheritDoc} */
+    @Override
     public double getSupportUpperBound() {
         return Double.POSITIVE_INFINITY;
     }
 
     /** {@inheritDoc} */
+    @Override
     public boolean isSupportConnected() {
         return true;
     }

http://git-wip-us.apache.org/repos/asf/commons-math/blob/9e26d993/src/main/java/org/apache/commons/math4/distribution/HypergeometricDistribution.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/distribution/HypergeometricDistribution.java b/src/main/java/org/apache/commons/math4/distribution/HypergeometricDistribution.java
index 86e0ad6..cf385f8 100644
--- a/src/main/java/org/apache/commons/math4/distribution/HypergeometricDistribution.java
+++ b/src/main/java/org/apache/commons/math4/distribution/HypergeometricDistribution.java
@@ -117,6 +117,7 @@ public class HypergeometricDistribution extends AbstractIntegerDistribution {
     }
 
     /** {@inheritDoc} */
+    @Override
     public double cumulativeProbability(int x) {
         double ret;
 
@@ -198,6 +199,7 @@ public class HypergeometricDistribution extends AbstractIntegerDistribution {
     }
 
     /** {@inheritDoc} */
+    @Override
     public double probability(int x) {
         final double logProbability = logProbability(x);
         return logProbability == Double.NEGATIVE_INFINITY ? 0 : FastMath.exp(logProbability);
@@ -277,6 +279,7 @@ public class HypergeometricDistribution extends AbstractIntegerDistribution {
      * For population size {@code N}, number of successes {@code m}, and sample
      * size {@code n}, the mean is {@code n * m / N}.
      */
+    @Override
     public double getNumericalMean() {
         return getSampleSize() * (getNumberOfSuccesses() / (double) getPopulationSize());
     }
@@ -288,6 +291,7 @@ public class HypergeometricDistribution extends AbstractIntegerDistribution {
      * size {@code n}, the variance is
      * {@code [n * m * (N - n) * (N - m)] / [N^2 * (N - 1)]}.
      */
+    @Override
     public double getNumericalVariance() {
         if (!numericalVarianceIsCalculated) {
             numericalVariance = calculateNumericalVariance();
@@ -317,6 +321,7 @@ public class HypergeometricDistribution extends AbstractIntegerDistribution {
      *
      * @return lower bound of the support
      */
+    @Override
     public int getSupportLowerBound() {
         return FastMath.max(0,
                             getSampleSize() + getNumberOfSuccesses() - getPopulationSize());
@@ -330,6 +335,7 @@ public class HypergeometricDistribution extends AbstractIntegerDistribution {
      *
      * @return upper bound of the support
      */
+    @Override
     public int getSupportUpperBound() {
         return FastMath.min(getNumberOfSuccesses(), getSampleSize());
     }
@@ -341,6 +347,7 @@ public class HypergeometricDistribution extends AbstractIntegerDistribution {
      *
      * @return {@code true}
      */
+    @Override
     public boolean isSupportConnected() {
         return true;
     }

http://git-wip-us.apache.org/repos/asf/commons-math/blob/9e26d993/src/main/java/org/apache/commons/math4/distribution/IntegerDistribution.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/distribution/IntegerDistribution.java b/src/main/java/org/apache/commons/math4/distribution/IntegerDistribution.java
index bd3d130..2a3e905 100644
--- a/src/main/java/org/apache/commons/math4/distribution/IntegerDistribution.java
+++ b/src/main/java/org/apache/commons/math4/distribution/IntegerDistribution.java
@@ -23,7 +23,7 @@ import org.apache.commons.math4.exception.OutOfRangeException;
  * Interface for distributions on the integers.
  */
 public interface IntegerDistribution {
-    
+
     /**
      * For a random variable {@code X} whose values are distributed according to
      * this distribution, this method returns {@code log(P(X = x))}, where
@@ -39,7 +39,7 @@ public interface IntegerDistribution {
      * @since 4.0
      */
     double logProbability(int x);
-    
+
     /**
      * For a random variable {@code X} whose values are distributed according
      * to this distribution, this method returns {@code P(X = x)}. In other

http://git-wip-us.apache.org/repos/asf/commons-math/blob/9e26d993/src/main/java/org/apache/commons/math4/distribution/LaplaceDistribution.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/distribution/LaplaceDistribution.java b/src/main/java/org/apache/commons/math4/distribution/LaplaceDistribution.java
index 1555f40..c13c265 100644
--- a/src/main/java/org/apache/commons/math4/distribution/LaplaceDistribution.java
+++ b/src/main/java/org/apache/commons/math4/distribution/LaplaceDistribution.java
@@ -96,11 +96,13 @@ public class LaplaceDistribution extends AbstractRealDistribution {
     }
 
     /** {@inheritDoc} */
+    @Override
     public double density(double x) {
         return FastMath.exp(-FastMath.abs(x - mu) / beta) / (2.0 * beta);
     }
 
     /** {@inheritDoc} */
+    @Override
     public double cumulativeProbability(double x) {
         if (x <= mu) {
             return FastMath.exp((x - mu) / beta) / 2.0;
@@ -123,26 +125,31 @@ public class LaplaceDistribution extends AbstractRealDistribution {
     }
 
     /** {@inheritDoc} */
+    @Override
     public double getNumericalMean() {
         return mu;
     }
 
     /** {@inheritDoc} */
+    @Override
     public double getNumericalVariance() {
         return 2.0 * beta * beta;
     }
 
     /** {@inheritDoc} */
+    @Override
     public double getSupportLowerBound() {
         return Double.NEGATIVE_INFINITY;
     }
 
     /** {@inheritDoc} */
+    @Override
     public double getSupportUpperBound() {
         return Double.POSITIVE_INFINITY;
     }
 
     /** {@inheritDoc} */
+    @Override
     public boolean isSupportConnected() {
         return true;
     }

http://git-wip-us.apache.org/repos/asf/commons-math/blob/9e26d993/src/main/java/org/apache/commons/math4/distribution/LevyDistribution.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/distribution/LevyDistribution.java b/src/main/java/org/apache/commons/math4/distribution/LevyDistribution.java
index 0841562..5f55c83 100644
--- a/src/main/java/org/apache/commons/math4/distribution/LevyDistribution.java
+++ b/src/main/java/org/apache/commons/math4/distribution/LevyDistribution.java
@@ -87,6 +87,7 @@ public class LevyDistribution extends AbstractRealDistribution {
     * returned, as in these cases the distribution is not defined.
     * </p>
     */
+    @Override
     public double density(final double x) {
         if (x < mu) {
             return Double.NaN;
@@ -120,6 +121,7 @@ public class LevyDistribution extends AbstractRealDistribution {
      * f(x; u, c) = erfc (&radic; (c / 2 (x - u )))
      * </pre>
      */
+    @Override
     public double cumulativeProbability(final double x) {
         if (x < mu) {
             return Double.NaN;
@@ -152,26 +154,31 @@ public class LevyDistribution extends AbstractRealDistribution {
     }
 
     /** {@inheritDoc} */
+    @Override
     public double getNumericalMean() {
         return Double.POSITIVE_INFINITY;
     }
 
     /** {@inheritDoc} */
+    @Override
     public double getNumericalVariance() {
         return Double.POSITIVE_INFINITY;
     }
 
     /** {@inheritDoc} */
+    @Override
     public double getSupportLowerBound() {
         return mu;
     }
 
     /** {@inheritDoc} */
+    @Override
     public double getSupportUpperBound() {
         return Double.POSITIVE_INFINITY;
     }
 
     /** {@inheritDoc} */
+    @Override
     public boolean isSupportConnected() {
         return true;
     }

http://git-wip-us.apache.org/repos/asf/commons-math/blob/9e26d993/src/main/java/org/apache/commons/math4/distribution/LogNormalDistribution.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/distribution/LogNormalDistribution.java b/src/main/java/org/apache/commons/math4/distribution/LogNormalDistribution.java
index fa84c98..58504ee 100644
--- a/src/main/java/org/apache/commons/math4/distribution/LogNormalDistribution.java
+++ b/src/main/java/org/apache/commons/math4/distribution/LogNormalDistribution.java
@@ -204,6 +204,7 @@ public class LogNormalDistribution extends AbstractRealDistribution {
      * otherwise.</li>
      * </ul>
      */
+    @Override
     public double density(double x) {
         if (x <= 0) {
             return 0;
@@ -243,6 +244,7 @@ public class LogNormalDistribution extends AbstractRealDistribution {
      * <li>{@code 0.5 + 0.5 * erf((ln(x) - m) / (s * sqrt(2))} otherwise.</li>
      * </ul>
      */
+    @Override
     public double cumulativeProbability(double x)  {
         if (x <= 0) {
             return 0;
@@ -284,6 +286,7 @@ public class LogNormalDistribution extends AbstractRealDistribution {
      * For scale {@code m} and shape {@code s}, the mean is
      * {@code exp(m + s^2 / 2)}.
      */
+    @Override
     public double getNumericalMean() {
         double s = shape;
         return FastMath.exp(scale + (s * s / 2));
@@ -295,6 +298,7 @@ public class LogNormalDistribution extends AbstractRealDistribution {
      * For scale {@code m} and shape {@code s}, the variance is
      * {@code (exp(s^2) - 1) * exp(2 * m + s^2)}.
      */
+    @Override
     public double getNumericalVariance() {
         final double s = shape;
         final double ss = s * s;
@@ -308,6 +312,7 @@ public class LogNormalDistribution extends AbstractRealDistribution {
      *
      * @return lower bound of the support (always 0)
      */
+    @Override
     public double getSupportLowerBound() {
         return 0;
     }
@@ -321,6 +326,7 @@ public class LogNormalDistribution extends AbstractRealDistribution {
      * @return upper bound of the support (always
      * {@code Double.POSITIVE_INFINITY})
      */
+    @Override
     public double getSupportUpperBound() {
         return Double.POSITIVE_INFINITY;
     }
@@ -332,6 +338,7 @@ public class LogNormalDistribution extends AbstractRealDistribution {
      *
      * @return {@code true}
      */
+    @Override
     public boolean isSupportConnected() {
         return true;
     }

http://git-wip-us.apache.org/repos/asf/commons-math/blob/9e26d993/src/main/java/org/apache/commons/math4/distribution/LogisticDistribution.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/distribution/LogisticDistribution.java b/src/main/java/org/apache/commons/math4/distribution/LogisticDistribution.java
index d996345..05fb436 100644
--- a/src/main/java/org/apache/commons/math4/distribution/LogisticDistribution.java
+++ b/src/main/java/org/apache/commons/math4/distribution/LogisticDistribution.java
@@ -98,6 +98,7 @@ public class LogisticDistribution extends AbstractRealDistribution {
     }
 
     /** {@inheritDoc} */
+    @Override
     public double density(double x) {
         double z = (x - mu) / s;
         double v = FastMath.exp(-z);
@@ -105,6 +106,7 @@ public class LogisticDistribution extends AbstractRealDistribution {
     }
 
     /** {@inheritDoc} */
+    @Override
     public double cumulativeProbability(double x) {
         double z = 1 / s * (x - mu);
         return 1.0 / (1.0 + FastMath.exp(-z));
@@ -123,26 +125,31 @@ public class LogisticDistribution extends AbstractRealDistribution {
     }
 
     /** {@inheritDoc} */
+    @Override
     public double getNumericalMean() {
         return mu;
     }
 
     /** {@inheritDoc} */
+    @Override
     public double getNumericalVariance() {
         return (MathUtils.PI_SQUARED / 3.0) * (1.0 / (s * s));
     }
 
     /** {@inheritDoc} */
+    @Override
     public double getSupportLowerBound() {
         return Double.NEGATIVE_INFINITY;
     }
 
     /** {@inheritDoc} */
+    @Override
     public double getSupportUpperBound() {
         return Double.POSITIVE_INFINITY;
     }
 
     /** {@inheritDoc} */
+    @Override
     public boolean isSupportConnected() {
         return true;
     }

http://git-wip-us.apache.org/repos/asf/commons-math/blob/9e26d993/src/main/java/org/apache/commons/math4/distribution/MixtureMultivariateRealDistribution.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/distribution/MixtureMultivariateRealDistribution.java b/src/main/java/org/apache/commons/math4/distribution/MixtureMultivariateRealDistribution.java
index d8bbb9a..ce8c7d9 100644
--- a/src/main/java/org/apache/commons/math4/distribution/MixtureMultivariateRealDistribution.java
+++ b/src/main/java/org/apache/commons/math4/distribution/MixtureMultivariateRealDistribution.java
@@ -103,6 +103,7 @@ public class MixtureMultivariateRealDistribution<T extends MultivariateRealDistr
     }
 
     /** {@inheritDoc} */
+    @Override
     public double density(final double[] values) {
         double p = 0;
         for (int i = 0; i < weight.length; i++) {

http://git-wip-us.apache.org/repos/asf/commons-math/blob/9e26d993/src/main/java/org/apache/commons/math4/distribution/MultivariateNormalDistribution.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/distribution/MultivariateNormalDistribution.java b/src/main/java/org/apache/commons/math4/distribution/MultivariateNormalDistribution.java
index 345fc5f..212fb2a 100644
--- a/src/main/java/org/apache/commons/math4/distribution/MultivariateNormalDistribution.java
+++ b/src/main/java/org/apache/commons/math4/distribution/MultivariateNormalDistribution.java
@@ -180,6 +180,7 @@ public class MultivariateNormalDistribution
     }
 
     /** {@inheritDoc} */
+    @Override
     public double density(final double[] vals) throws DimensionMismatchException {
         final int dim = getDimension();
         if (vals.length != dim) {

http://git-wip-us.apache.org/repos/asf/commons-math/blob/9e26d993/src/main/java/org/apache/commons/math4/distribution/NakagamiDistribution.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/distribution/NakagamiDistribution.java b/src/main/java/org/apache/commons/math4/distribution/NakagamiDistribution.java
index 7849bbd..7a018c6 100644
--- a/src/main/java/org/apache/commons/math4/distribution/NakagamiDistribution.java
+++ b/src/main/java/org/apache/commons/math4/distribution/NakagamiDistribution.java
@@ -136,6 +136,7 @@ public class NakagamiDistribution extends AbstractRealDistribution {
     }
 
     /** {@inheritDoc} */
+    @Override
     public double density(double x) {
         if (x <= 0) {
             return 0.0;
@@ -145,32 +146,38 @@ public class NakagamiDistribution extends AbstractRealDistribution {
     }
 
     /** {@inheritDoc} */
+    @Override
     public double cumulativeProbability(double x) {
         return Gamma.regularizedGammaP(mu, mu * x * x / omega);
     }
 
     /** {@inheritDoc} */
+    @Override
     public double getNumericalMean() {
         return Gamma.gamma(mu + 0.5) / Gamma.gamma(mu) * FastMath.sqrt(omega / mu);
     }
 
     /** {@inheritDoc} */
+    @Override
     public double getNumericalVariance() {
         double v = Gamma.gamma(mu + 0.5) / Gamma.gamma(mu);
         return omega * (1 - 1 / mu * v * v);
     }
 
     /** {@inheritDoc} */
+    @Override
     public double getSupportLowerBound() {
         return 0;
     }
 
     /** {@inheritDoc} */
+    @Override
     public double getSupportUpperBound() {
         return Double.POSITIVE_INFINITY;
     }
 
     /** {@inheritDoc} */
+    @Override
     public boolean isSupportConnected() {
         return true;
     }

http://git-wip-us.apache.org/repos/asf/commons-math/blob/9e26d993/src/main/java/org/apache/commons/math4/distribution/NormalDistribution.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/distribution/NormalDistribution.java b/src/main/java/org/apache/commons/math4/distribution/NormalDistribution.java
index 25b5aaa..6313ef0 100644
--- a/src/main/java/org/apache/commons/math4/distribution/NormalDistribution.java
+++ b/src/main/java/org/apache/commons/math4/distribution/NormalDistribution.java
@@ -167,6 +167,7 @@ public class NormalDistribution extends AbstractRealDistribution {
     }
 
     /** {@inheritDoc} */
+    @Override
     public double density(double x) {
         return FastMath.exp(logDensity(x));
     }
@@ -186,6 +187,7 @@ public class NormalDistribution extends AbstractRealDistribution {
      * is returned, as in these cases the actual value is within
      * {@code Double.MIN_VALUE} of 0 or 1.
      */
+    @Override
     public double cumulativeProbability(double x)  {
         final double dev = x - mean;
         if (FastMath.abs(dev) > 40 * standardDeviation) {
@@ -231,6 +233,7 @@ public class NormalDistribution extends AbstractRealDistribution {
      *
      * For mean parameter {@code mu}, the mean is {@code mu}.
      */
+    @Override
     public double getNumericalMean() {
         return getMean();
     }
@@ -240,6 +243,7 @@ public class NormalDistribution extends AbstractRealDistribution {
      *
      * For standard deviation parameter {@code s}, the variance is {@code s^2}.
      */
+    @Override
     public double getNumericalVariance() {
         final double s = getStandardDeviation();
         return s * s;
@@ -254,6 +258,7 @@ public class NormalDistribution extends AbstractRealDistribution {
      * @return lower bound of the support (always
      * {@code Double.NEGATIVE_INFINITY})
      */
+    @Override
     public double getSupportLowerBound() {
         return Double.NEGATIVE_INFINITY;
     }
@@ -267,6 +272,7 @@ public class NormalDistribution extends AbstractRealDistribution {
      * @return upper bound of the support (always
      * {@code Double.POSITIVE_INFINITY})
      */
+    @Override
     public double getSupportUpperBound() {
         return Double.POSITIVE_INFINITY;
     }
@@ -278,6 +284,7 @@ public class NormalDistribution extends AbstractRealDistribution {
      *
      * @return {@code true}
      */
+    @Override
     public boolean isSupportConnected() {
         return true;
     }

http://git-wip-us.apache.org/repos/asf/commons-math/blob/9e26d993/src/main/java/org/apache/commons/math4/distribution/ParetoDistribution.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/distribution/ParetoDistribution.java b/src/main/java/org/apache/commons/math4/distribution/ParetoDistribution.java
index 69febbc..3f3fbb2 100644
--- a/src/main/java/org/apache/commons/math4/distribution/ParetoDistribution.java
+++ b/src/main/java/org/apache/commons/math4/distribution/ParetoDistribution.java
@@ -18,7 +18,6 @@
 package org.apache.commons.math4.distribution;
 
 import org.apache.commons.math4.exception.NotStrictlyPositiveException;
-import org.apache.commons.math4.exception.NumberIsTooLargeException;
 import org.apache.commons.math4.exception.util.LocalizedFormats;
 import org.apache.commons.math4.random.RandomGenerator;
 import org.apache.commons.math4.random.Well19937c;
@@ -180,6 +179,7 @@ public class ParetoDistribution extends AbstractRealDistribution {
      * <li>{@code α * k^α / x^(α + 1)} otherwise.</li>
      * </ul>
      */
+    @Override
     public double density(double x) {
         if (x < scale) {
             return 0;
@@ -208,6 +208,7 @@ public class ParetoDistribution extends AbstractRealDistribution {
      * <li>{@code 1 - (k / x)^α} otherwise.</li>
      * </ul>
      */
+    @Override
     public double cumulativeProbability(double x)  {
         if (x <= scale) {
             return 0;
@@ -230,6 +231,7 @@ public class ParetoDistribution extends AbstractRealDistribution {
      * <li>{@code α * k / (α - 1)} otherwise.</li>
      * </ul>
      */
+    @Override
     public double getNumericalMean() {
         if (shape <= 1) {
             return Double.POSITIVE_INFINITY;
@@ -246,6 +248,7 @@ public class ParetoDistribution extends AbstractRealDistribution {
      * <li>{@code k^2 * α / ((α - 1)^2 * (α - 2))} otherwise.</li>
      * </ul>
      */
+    @Override
     public double getNumericalVariance() {
         if (shape <= 2) {
             return Double.POSITIVE_INFINITY;
@@ -261,6 +264,7 @@ public class ParetoDistribution extends AbstractRealDistribution {
      *
      * @return lower bound of the support
      */
+    @Override
     public double getSupportLowerBound() {
         return scale;
     }
@@ -272,6 +276,7 @@ public class ParetoDistribution extends AbstractRealDistribution {
      *
      * @return upper bound of the support (always {@code Double.POSITIVE_INFINITY})
      */
+    @Override
     public double getSupportUpperBound() {
         return Double.POSITIVE_INFINITY;
     }
@@ -283,6 +288,7 @@ public class ParetoDistribution extends AbstractRealDistribution {
      *
      * @return {@code true}
      */
+    @Override
     public boolean isSupportConnected() {
         return true;
     }

http://git-wip-us.apache.org/repos/asf/commons-math/blob/9e26d993/src/main/java/org/apache/commons/math4/distribution/PascalDistribution.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/distribution/PascalDistribution.java b/src/main/java/org/apache/commons/math4/distribution/PascalDistribution.java
index 05366aa..f11d0bf 100644
--- a/src/main/java/org/apache/commons/math4/distribution/PascalDistribution.java
+++ b/src/main/java/org/apache/commons/math4/distribution/PascalDistribution.java
@@ -147,6 +147,7 @@ public class PascalDistribution extends AbstractIntegerDistribution {
     }
 
     /** {@inheritDoc} */
+    @Override
     public double probability(int x) {
         double ret;
         if (x < 0) {
@@ -176,6 +177,7 @@ public class PascalDistribution extends AbstractIntegerDistribution {
     }
 
     /** {@inheritDoc} */
+    @Override
     public double cumulativeProbability(int x) {
         double ret;
         if (x < 0) {
@@ -193,6 +195,7 @@ public class PascalDistribution extends AbstractIntegerDistribution {
      * For number of successes {@code r} and probability of success {@code p},
      * the mean is {@code r * (1 - p) / p}.
      */
+    @Override
     public double getNumericalMean() {
         final double p = getProbabilityOfSuccess();
         final double r = getNumberOfSuccesses();
@@ -205,6 +208,7 @@ public class PascalDistribution extends AbstractIntegerDistribution {
      * For number of successes {@code r} and probability of success {@code p},
      * the variance is {@code r * (1 - p) / p^2}.
      */
+    @Override
     public double getNumericalVariance() {
         final double p = getProbabilityOfSuccess();
         final double r = getNumberOfSuccesses();
@@ -218,6 +222,7 @@ public class PascalDistribution extends AbstractIntegerDistribution {
      *
      * @return lower bound of the support (always 0)
      */
+    @Override
     public int getSupportLowerBound() {
         return 0;
     }
@@ -231,6 +236,7 @@ public class PascalDistribution extends AbstractIntegerDistribution {
      * @return upper bound of the support (always {@code Integer.MAX_VALUE}
      * for positive infinity)
      */
+    @Override
     public int getSupportUpperBound() {
         return Integer.MAX_VALUE;
     }
@@ -242,6 +248,7 @@ public class PascalDistribution extends AbstractIntegerDistribution {
      *
      * @return {@code true}
      */
+    @Override
     public boolean isSupportConnected() {
         return true;
     }

http://git-wip-us.apache.org/repos/asf/commons-math/blob/9e26d993/src/main/java/org/apache/commons/math4/distribution/TDistribution.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/distribution/TDistribution.java b/src/main/java/org/apache/commons/math4/distribution/TDistribution.java
index 70c6f7d..302d476 100644
--- a/src/main/java/org/apache/commons/math4/distribution/TDistribution.java
+++ b/src/main/java/org/apache/commons/math4/distribution/TDistribution.java
@@ -140,6 +140,7 @@ public class TDistribution extends AbstractRealDistribution {
     }
 
     /** {@inheritDoc} */
+    @Override
     public double density(double x) {
         return FastMath.exp(logDensity(x));
     }
@@ -153,6 +154,7 @@ public class TDistribution extends AbstractRealDistribution {
     }
 
     /** {@inheritDoc} */
+    @Override
     public double cumulativeProbability(double x) {
         double ret;
         if (x == 0) {
@@ -188,6 +190,7 @@ public class TDistribution extends AbstractRealDistribution {
      * <li>else undefined ({@code Double.NaN}).</li>
      * </ul>
      */
+    @Override
     public double getNumericalMean() {
         final double df = getDegreesOfFreedom();
 
@@ -209,6 +212,7 @@ public class TDistribution extends AbstractRealDistribution {
      *  <li>else undefined ({@code Double.NaN}).</li>
      * </ul>
      */
+    @Override
     public double getNumericalVariance() {
         final double df = getDegreesOfFreedom();
 
@@ -232,6 +236,7 @@ public class TDistribution extends AbstractRealDistribution {
      * @return lower bound of the support (always
      * {@code Double.NEGATIVE_INFINITY})
      */
+    @Override
     public double getSupportLowerBound() {
         return Double.NEGATIVE_INFINITY;
     }
@@ -245,6 +250,7 @@ public class TDistribution extends AbstractRealDistribution {
      * @return upper bound of the support (always
      * {@code Double.POSITIVE_INFINITY})
      */
+    @Override
     public double getSupportUpperBound() {
         return Double.POSITIVE_INFINITY;
     }
@@ -256,6 +262,7 @@ public class TDistribution extends AbstractRealDistribution {
      *
      * @return {@code true}
      */
+    @Override
     public boolean isSupportConnected() {
         return true;
     }

http://git-wip-us.apache.org/repos/asf/commons-math/blob/9e26d993/src/main/java/org/apache/commons/math4/distribution/TriangularDistribution.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/distribution/TriangularDistribution.java b/src/main/java/org/apache/commons/math4/distribution/TriangularDistribution.java
index 0f2f833..eb6762d 100644
--- a/src/main/java/org/apache/commons/math4/distribution/TriangularDistribution.java
+++ b/src/main/java/org/apache/commons/math4/distribution/TriangularDistribution.java
@@ -144,6 +144,7 @@ public class TriangularDistribution extends AbstractRealDistribution {
      * <li>{@code 0} otherwise.
      * </ul>
      */
+    @Override
     public double density(double x) {
         if (x < a) {
             return 0;
@@ -177,6 +178,7 @@ public class TriangularDistribution extends AbstractRealDistribution {
      * <li>{@code 1} if {@code x > b}.</li>
      * </ul>
      */
+    @Override
     public double cumulativeProbability(double x)  {
         if (x < a) {
             return 0;
@@ -203,6 +205,7 @@ public class TriangularDistribution extends AbstractRealDistribution {
      * For lower limit {@code a}, upper limit {@code b}, and mode {@code c},
      * the mean is {@code (a + b + c) / 3}.
      */
+    @Override
     public double getNumericalMean() {
         return (a + b + c) / 3;
     }
@@ -213,6 +216,7 @@ public class TriangularDistribution extends AbstractRealDistribution {
      * For lower limit {@code a}, upper limit {@code b}, and mode {@code c},
      * the variance is {@code (a^2 + b^2 + c^2 - a * b - a * c - b * c) / 18}.
      */
+    @Override
     public double getNumericalVariance() {
         return (a * a + b * b + c * c - a * b - a * c - b * c) / 18;
     }
@@ -225,6 +229,7 @@ public class TriangularDistribution extends AbstractRealDistribution {
      *
      * @return lower bound of the support
      */
+    @Override
     public double getSupportLowerBound() {
         return a;
     }
@@ -237,6 +242,7 @@ public class TriangularDistribution extends AbstractRealDistribution {
      *
      * @return upper bound of the support
      */
+    @Override
     public double getSupportUpperBound() {
         return b;
     }
@@ -248,6 +254,7 @@ public class TriangularDistribution extends AbstractRealDistribution {
      *
      * @return {@code true}
      */
+    @Override
     public boolean isSupportConnected() {
         return true;
     }

http://git-wip-us.apache.org/repos/asf/commons-math/blob/9e26d993/src/main/java/org/apache/commons/math4/distribution/UniformIntegerDistribution.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/distribution/UniformIntegerDistribution.java b/src/main/java/org/apache/commons/math4/distribution/UniformIntegerDistribution.java
index de542b6..6cd21b0 100644
--- a/src/main/java/org/apache/commons/math4/distribution/UniformIntegerDistribution.java
+++ b/src/main/java/org/apache/commons/math4/distribution/UniformIntegerDistribution.java
@@ -84,6 +84,7 @@ public class UniformIntegerDistribution extends AbstractIntegerDistribution {
     }
 
     /** {@inheritDoc} */
+    @Override
     public double probability(int x) {
         if (x < lower || x > upper) {
             return 0;
@@ -92,6 +93,7 @@ public class UniformIntegerDistribution extends AbstractIntegerDistribution {
     }
 
     /** {@inheritDoc} */
+    @Override
     public double cumulativeProbability(int x) {
         if (x < lower) {
             return 0;
@@ -108,6 +110,7 @@ public class UniformIntegerDistribution extends AbstractIntegerDistribution {
      * For lower bound {@code lower} and upper bound {@code upper}, the mean is
      * {@code 0.5 * (lower + upper)}.
      */
+    @Override
     public double getNumericalMean() {
         return 0.5 * (lower + upper);
     }
@@ -118,6 +121,7 @@ public class UniformIntegerDistribution extends AbstractIntegerDistribution {
      * For lower bound {@code lower} and upper bound {@code upper}, and
      * {@code n = upper - lower + 1}, the variance is {@code (n^2 - 1) / 12}.
      */
+    @Override
     public double getNumericalVariance() {
         double n = upper - lower + 1;
         return (n * n - 1) / 12.0;
@@ -131,6 +135,7 @@ public class UniformIntegerDistribution extends AbstractIntegerDistribution {
      *
      * @return lower bound of the support
      */
+    @Override
     public int getSupportLowerBound() {
         return lower;
     }
@@ -143,6 +148,7 @@ public class UniformIntegerDistribution extends AbstractIntegerDistribution {
      *
      * @return upper bound of the support
      */
+    @Override
     public int getSupportUpperBound() {
         return upper;
     }
@@ -154,6 +160,7 @@ public class UniformIntegerDistribution extends AbstractIntegerDistribution {
      *
      * @return {@code true}
      */
+    @Override
     public boolean isSupportConnected() {
         return true;
     }

http://git-wip-us.apache.org/repos/asf/commons-math/blob/9e26d993/src/main/java/org/apache/commons/math4/distribution/UniformRealDistribution.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/distribution/UniformRealDistribution.java b/src/main/java/org/apache/commons/math4/distribution/UniformRealDistribution.java
index 07b4970..e670146 100644
--- a/src/main/java/org/apache/commons/math4/distribution/UniformRealDistribution.java
+++ b/src/main/java/org/apache/commons/math4/distribution/UniformRealDistribution.java
@@ -99,6 +99,7 @@ public class UniformRealDistribution extends AbstractRealDistribution {
     }
 
     /** {@inheritDoc} */
+    @Override
     public double density(double x) {
         if (x < lower || x > upper) {
             return 0.0;
@@ -107,6 +108,7 @@ public class UniformRealDistribution extends AbstractRealDistribution {
     }
 
     /** {@inheritDoc} */
+    @Override
     public double cumulativeProbability(double x)  {
         if (x <= lower) {
             return 0;
@@ -132,6 +134,7 @@ public class UniformRealDistribution extends AbstractRealDistribution {
      * For lower bound {@code lower} and upper bound {@code upper}, the mean is
      * {@code 0.5 * (lower + upper)}.
      */
+    @Override
     public double getNumericalMean() {
         return 0.5 * (lower + upper);
     }
@@ -142,6 +145,7 @@ public class UniformRealDistribution extends AbstractRealDistribution {
      * For lower bound {@code lower} and upper bound {@code upper}, the
      * variance is {@code (upper - lower)^2 / 12}.
      */
+    @Override
     public double getNumericalVariance() {
         double ul = upper - lower;
         return ul * ul / 12;
@@ -155,6 +159,7 @@ public class UniformRealDistribution extends AbstractRealDistribution {
      *
      * @return lower bound of the support
      */
+    @Override
     public double getSupportLowerBound() {
         return lower;
     }
@@ -167,6 +172,7 @@ public class UniformRealDistribution extends AbstractRealDistribution {
      *
      * @return upper bound of the support
      */
+    @Override
     public double getSupportUpperBound() {
         return upper;
     }
@@ -178,6 +184,7 @@ public class UniformRealDistribution extends AbstractRealDistribution {
      *
      * @return {@code true}
      */
+    @Override
     public boolean isSupportConnected() {
         return true;
     }

http://git-wip-us.apache.org/repos/asf/commons-math/blob/9e26d993/src/main/java/org/apache/commons/math4/distribution/WeibullDistribution.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/distribution/WeibullDistribution.java b/src/main/java/org/apache/commons/math4/distribution/WeibullDistribution.java
index 8397ecb..893501e 100644
--- a/src/main/java/org/apache/commons/math4/distribution/WeibullDistribution.java
+++ b/src/main/java/org/apache/commons/math4/distribution/WeibullDistribution.java
@@ -169,6 +169,7 @@ public class WeibullDistribution extends AbstractRealDistribution {
     }
 
     /** {@inheritDoc} */
+    @Override
     public double density(double x) {
         if (x < 0) {
             return 0;
@@ -208,6 +209,7 @@ public class WeibullDistribution extends AbstractRealDistribution {
     }
 
     /** {@inheritDoc} */
+    @Override
     public double cumulativeProbability(double x) {
         double ret;
         if (x <= 0.0) {
@@ -257,6 +259,7 @@ public class WeibullDistribution extends AbstractRealDistribution {
      * The mean is {@code scale * Gamma(1 + (1 / shape))}, where {@code Gamma()}
      * is the Gamma-function.
      */
+    @Override
     public double getNumericalMean() {
         if (!numericalMeanIsCalculated) {
             numericalMean = calculateNumericalMean();
@@ -283,6 +286,7 @@ public class WeibullDistribution extends AbstractRealDistribution {
      * The variance is {@code scale^2 * Gamma(1 + (2 / shape)) - mean^2}
      * where {@code Gamma()} is the Gamma-function.
      */
+    @Override
     public double getNumericalVariance() {
         if (!numericalVarianceIsCalculated) {
             numericalVariance = calculateNumericalVariance();
@@ -312,6 +316,7 @@ public class WeibullDistribution extends AbstractRealDistribution {
      *
      * @return lower bound of the support (always 0)
      */
+    @Override
     public double getSupportLowerBound() {
         return 0;
     }
@@ -325,6 +330,7 @@ public class WeibullDistribution extends AbstractRealDistribution {
      * @return upper bound of the support (always
      * {@code Double.POSITIVE_INFINITY})
      */
+    @Override
     public double getSupportUpperBound() {
         return Double.POSITIVE_INFINITY;
     }
@@ -336,6 +342,7 @@ public class WeibullDistribution extends AbstractRealDistribution {
      *
      * @return {@code true}
      */
+    @Override
     public boolean isSupportConnected() {
         return true;
     }

http://git-wip-us.apache.org/repos/asf/commons-math/blob/9e26d993/src/main/java/org/apache/commons/math4/distribution/ZipfDistribution.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/distribution/ZipfDistribution.java b/src/main/java/org/apache/commons/math4/distribution/ZipfDistribution.java
index 019bde8..04bb522 100644
--- a/src/main/java/org/apache/commons/math4/distribution/ZipfDistribution.java
+++ b/src/main/java/org/apache/commons/math4/distribution/ZipfDistribution.java
@@ -112,6 +112,7 @@ public class ZipfDistribution extends AbstractIntegerDistribution {
     }
 
     /** {@inheritDoc} */
+    @Override
     public double probability(final int x) {
         if (x <= 0 || x > numberOfElements) {
             return 0.0;
@@ -131,6 +132,7 @@ public class ZipfDistribution extends AbstractIntegerDistribution {
     }
 
     /** {@inheritDoc} */
+    @Override
     public double cumulativeProbability(final int x) {
         if (x <= 0) {
             return 0.0;
@@ -151,6 +153,7 @@ public class ZipfDistribution extends AbstractIntegerDistribution {
      *  <li>{@code Hs = generalizedHarmonic(N, s)}.</li>
      * </ul>
      */
+    @Override
     public double getNumericalMean() {
         if (!numericalMeanIsCalculated) {
             numericalMean = calculateNumericalMean();
@@ -185,6 +188,7 @@ public class ZipfDistribution extends AbstractIntegerDistribution {
      *  <li>{@code Hs = generalizedHarmonic(N, s)}.</li>
      * </ul>
      */
+    @Override
     public double getNumericalVariance() {
         if (!numericalVarianceIsCalculated) {
             numericalVariance = calculateNumericalVariance();
@@ -233,6 +237,7 @@ public class ZipfDistribution extends AbstractIntegerDistribution {
      *
      * @return lower bound of the support (always 1)
      */
+    @Override
     public int getSupportLowerBound() {
         return 1;
     }
@@ -244,6 +249,7 @@ public class ZipfDistribution extends AbstractIntegerDistribution {
      *
      * @return upper bound of the support
      */
+    @Override
     public int getSupportUpperBound() {
         return getNumberOfElements();
     }
@@ -255,6 +261,7 @@ public class ZipfDistribution extends AbstractIntegerDistribution {
      *
      * @return {@code true}
      */
+    @Override
     public boolean isSupportConnected() {
         return true;
     }

http://git-wip-us.apache.org/repos/asf/commons-math/blob/9e26d993/src/main/java/org/apache/commons/math4/distribution/fitting/MultivariateNormalMixtureExpectationMaximization.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/distribution/fitting/MultivariateNormalMixtureExpectationMaximization.java b/src/main/java/org/apache/commons/math4/distribution/fitting/MultivariateNormalMixtureExpectationMaximization.java
index 2aaf65b..a0cf248 100644
--- a/src/main/java/org/apache/commons/math4/distribution/fitting/MultivariateNormalMixtureExpectationMaximization.java
+++ b/src/main/java/org/apache/commons/math4/distribution/fitting/MultivariateNormalMixtureExpectationMaximization.java
@@ -417,6 +417,7 @@ public class MultivariateNormalMixtureExpectationMaximization {
          * @param other The other row
          * @return int for sorting
          */
+        @Override
         public int compareTo(final DataRow other) {
             return mean.compareTo(other.mean);
         }


[2/3] [math] Add missing @Override tags, add final for member variables where applicable.

Posted by tn...@apache.org.
Add missing @Override tags, add final for member variables where applicable.


Project: http://git-wip-us.apache.org/repos/asf/commons-math/repo
Commit: http://git-wip-us.apache.org/repos/asf/commons-math/commit/b7d8801c
Tree: http://git-wip-us.apache.org/repos/asf/commons-math/tree/b7d8801c
Diff: http://git-wip-us.apache.org/repos/asf/commons-math/diff/b7d8801c

Branch: refs/heads/master
Commit: b7d8801c368778e370ef98832a1c6201e8197207
Parents: 9e26d99
Author: Thomas Neidhart <th...@gmail.com>
Authored: Mon Mar 16 21:26:05 2015 +0100
Committer: Thomas Neidhart <th...@gmail.com>
Committed: Mon Mar 16 21:26:05 2015 +0100

----------------------------------------------------------------------
 .../apache/commons/math4/exception/MathArithmeticException.java   | 1 +
 .../commons/math4/exception/MathIllegalArgumentException.java     | 1 +
 .../apache/commons/math4/exception/MathIllegalStateException.java | 1 +
 .../org/apache/commons/math4/exception/MathRuntimeException.java  | 1 +
 .../math4/exception/MathUnsupportedOperationException.java        | 1 +
 .../org/apache/commons/math4/exception/NullArgumentException.java | 3 ++-
 .../org/apache/commons/math4/exception/util/DummyLocalizable.java | 2 ++
 .../org/apache/commons/math4/exception/util/LocalizedFormats.java | 2 ++
 8 files changed, 11 insertions(+), 1 deletion(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/commons-math/blob/b7d8801c/src/main/java/org/apache/commons/math4/exception/MathArithmeticException.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/exception/MathArithmeticException.java b/src/main/java/org/apache/commons/math4/exception/MathArithmeticException.java
index d753ad5..7425bc5 100644
--- a/src/main/java/org/apache/commons/math4/exception/MathArithmeticException.java
+++ b/src/main/java/org/apache/commons/math4/exception/MathArithmeticException.java
@@ -58,6 +58,7 @@ public class MathArithmeticException extends ArithmeticException
     }
 
     /** {@inheritDoc} */
+    @Override
     public ExceptionContext getContext() {
         return context;
     }

http://git-wip-us.apache.org/repos/asf/commons-math/blob/b7d8801c/src/main/java/org/apache/commons/math4/exception/MathIllegalArgumentException.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/exception/MathIllegalArgumentException.java b/src/main/java/org/apache/commons/math4/exception/MathIllegalArgumentException.java
index e975031..efb7482 100644
--- a/src/main/java/org/apache/commons/math4/exception/MathIllegalArgumentException.java
+++ b/src/main/java/org/apache/commons/math4/exception/MathIllegalArgumentException.java
@@ -46,6 +46,7 @@ public class MathIllegalArgumentException extends IllegalArgumentException
     }
 
     /** {@inheritDoc} */
+    @Override
     public ExceptionContext getContext() {
         return context;
     }

http://git-wip-us.apache.org/repos/asf/commons-math/blob/b7d8801c/src/main/java/org/apache/commons/math4/exception/MathIllegalStateException.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/exception/MathIllegalStateException.java b/src/main/java/org/apache/commons/math4/exception/MathIllegalStateException.java
index d353848..76bb280 100644
--- a/src/main/java/org/apache/commons/math4/exception/MathIllegalStateException.java
+++ b/src/main/java/org/apache/commons/math4/exception/MathIllegalStateException.java
@@ -70,6 +70,7 @@ public class MathIllegalStateException extends IllegalStateException
     }
 
     /** {@inheritDoc} */
+    @Override
     public ExceptionContext getContext() {
         return context;
     }

http://git-wip-us.apache.org/repos/asf/commons-math/blob/b7d8801c/src/main/java/org/apache/commons/math4/exception/MathRuntimeException.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/exception/MathRuntimeException.java b/src/main/java/org/apache/commons/math4/exception/MathRuntimeException.java
index 4dafc2c..56fff8e 100644
--- a/src/main/java/org/apache/commons/math4/exception/MathRuntimeException.java
+++ b/src/main/java/org/apache/commons/math4/exception/MathRuntimeException.java
@@ -47,6 +47,7 @@ public class MathRuntimeException extends RuntimeException
     }
 
     /** {@inheritDoc} */
+    @Override
     public ExceptionContext getContext() {
         return context;
     }

http://git-wip-us.apache.org/repos/asf/commons-math/blob/b7d8801c/src/main/java/org/apache/commons/math4/exception/MathUnsupportedOperationException.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/exception/MathUnsupportedOperationException.java b/src/main/java/org/apache/commons/math4/exception/MathUnsupportedOperationException.java
index bf32e31..ad45b60 100644
--- a/src/main/java/org/apache/commons/math4/exception/MathUnsupportedOperationException.java
+++ b/src/main/java/org/apache/commons/math4/exception/MathUnsupportedOperationException.java
@@ -54,6 +54,7 @@ public class MathUnsupportedOperationException extends UnsupportedOperationExcep
     }
 
     /** {@inheritDoc} */
+    @Override
     public ExceptionContext getContext() {
         return context;
     }

http://git-wip-us.apache.org/repos/asf/commons-math/blob/b7d8801c/src/main/java/org/apache/commons/math4/exception/NullArgumentException.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/exception/NullArgumentException.java b/src/main/java/org/apache/commons/math4/exception/NullArgumentException.java
index 5577042..06a3f80 100644
--- a/src/main/java/org/apache/commons/math4/exception/NullArgumentException.java
+++ b/src/main/java/org/apache/commons/math4/exception/NullArgumentException.java
@@ -59,11 +59,12 @@ public class NullArgumentException extends NullPointerException
         context = new ExceptionContext(this);
         context.addMessage(pattern, arguments);
     }
-    
+
     /**
      * {@inheritDoc}
      * @since 4.0
      */
+    @Override
     public ExceptionContext getContext() {
         return context;
     }

http://git-wip-us.apache.org/repos/asf/commons-math/blob/b7d8801c/src/main/java/org/apache/commons/math4/exception/util/DummyLocalizable.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/exception/util/DummyLocalizable.java b/src/main/java/org/apache/commons/math4/exception/util/DummyLocalizable.java
index 97aa51b..16c67f5 100644
--- a/src/main/java/org/apache/commons/math4/exception/util/DummyLocalizable.java
+++ b/src/main/java/org/apache/commons/math4/exception/util/DummyLocalizable.java
@@ -39,11 +39,13 @@ public class DummyLocalizable implements Localizable {
     }
 
     /** {@inheritDoc} */
+    @Override
     public String getSourceString() {
         return source;
     }
 
     /** {@inheritDoc} */
+    @Override
     public String getLocalizedString(Locale locale) {
         return source;
     }

http://git-wip-us.apache.org/repos/asf/commons-math/blob/b7d8801c/src/main/java/org/apache/commons/math4/exception/util/LocalizedFormats.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/exception/util/LocalizedFormats.java b/src/main/java/org/apache/commons/math4/exception/util/LocalizedFormats.java
index 6d300ab..547bfe3 100644
--- a/src/main/java/org/apache/commons/math4/exception/util/LocalizedFormats.java
+++ b/src/main/java/org/apache/commons/math4/exception/util/LocalizedFormats.java
@@ -379,11 +379,13 @@ public enum LocalizedFormats implements Localizable {
     }
 
     /** {@inheritDoc} */
+    @Override
     public String getSourceString() {
         return sourceFormat;
     }
 
     /** {@inheritDoc} */
+    @Override
     public String getLocalizedString(final Locale locale) {
         try {
             final String path = LocalizedFormats.class.getName().replaceAll("\\.", "/");


[3/3] [math] Fix checkstyle warning, remove forgotten deprecated methods.

Posted by tn...@apache.org.
Fix checkstyle warning, remove forgotten deprecated methods.


Project: http://git-wip-us.apache.org/repos/asf/commons-math/repo
Commit: http://git-wip-us.apache.org/repos/asf/commons-math/commit/093e3bb2
Tree: http://git-wip-us.apache.org/repos/asf/commons-math/tree/093e3bb2
Diff: http://git-wip-us.apache.org/repos/asf/commons-math/diff/093e3bb2

Branch: refs/heads/master
Commit: 093e3bb2e3cd9992f3f0d14373d406bb9b2ed36e
Parents: b7d8801
Author: Thomas Neidhart <th...@gmail.com>
Authored: Mon Mar 16 21:29:21 2015 +0100
Committer: Thomas Neidhart <th...@gmail.com>
Committed: Mon Mar 16 21:29:21 2015 +0100

----------------------------------------------------------------------
 .../math4/random/EmpiricalDistribution.java       | 18 +-----------------
 1 file changed, 1 insertion(+), 17 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/commons-math/blob/093e3bb2/src/main/java/org/apache/commons/math4/random/EmpiricalDistribution.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/random/EmpiricalDistribution.java b/src/main/java/org/apache/commons/math4/random/EmpiricalDistribution.java
index 737d2e5..ac65a73 100644
--- a/src/main/java/org/apache/commons/math4/random/EmpiricalDistribution.java
+++ b/src/main/java/org/apache/commons/math4/random/EmpiricalDistribution.java
@@ -401,7 +401,7 @@ public class EmpiricalDistribution extends AbstractRealDistribution {
         // Set up grid
         min = sampleStats.getMin();
         max = sampleStats.getMax();
-        delta = (max - min)/(binCount);
+        delta = (max - min)/binCount;
 
         // Initialize binStats ArrayList
         if (!binStats.isEmpty()) {
@@ -719,22 +719,6 @@ public class EmpiricalDistribution extends AbstractRealDistribution {
      * {@inheritDoc}
      * @since 3.1
      */
-    public boolean isSupportLowerBoundInclusive() {
-        return true;
-    }
-
-    /**
-     * {@inheritDoc}
-     * @since 3.1
-     */
-    public boolean isSupportUpperBoundInclusive() {
-        return true;
-    }
-
-    /**
-     * {@inheritDoc}
-     * @since 3.1
-     */
     @Override
     public boolean isSupportConnected() {
         return true;