http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/solvers/IllinoisSolver.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/commons/math4/analysis/solvers/IllinoisSolver.java 
b/src/main/java/org/apache/commons/math4/analysis/solvers/IllinoisSolver.java
index bd3bc71..051b10e 100644
--- 
a/src/main/java/org/apache/commons/math4/analysis/solvers/IllinoisSolver.java
+++ 
b/src/main/java/org/apache/commons/math4/analysis/solvers/IllinoisSolver.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.analysis.solvers;
+package org.apache.commons.math4.analysis.solvers;
 
 
 /**

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/solvers/LaguerreSolver.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/commons/math4/analysis/solvers/LaguerreSolver.java 
b/src/main/java/org/apache/commons/math4/analysis/solvers/LaguerreSolver.java
index c127b42..23fd17a 100644
--- 
a/src/main/java/org/apache/commons/math4/analysis/solvers/LaguerreSolver.java
+++ 
b/src/main/java/org/apache/commons/math4/analysis/solvers/LaguerreSolver.java
@@ -14,18 +14,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis.solvers;
+package org.apache.commons.math4.analysis.solvers;
 
-import org.apache.commons.math3.complex.Complex;
-import org.apache.commons.math3.complex.ComplexUtils;
-import org.apache.commons.math3.analysis.polynomials.PolynomialFunction;
-import org.apache.commons.math3.exception.NoBracketingException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.exception.NoDataException;
-import org.apache.commons.math3.exception.TooManyEvaluationsException;
-import org.apache.commons.math3.exception.NumberIsTooLargeException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.analysis.polynomials.PolynomialFunction;
+import org.apache.commons.math4.complex.Complex;
+import org.apache.commons.math4.complex.ComplexUtils;
+import org.apache.commons.math4.exception.NoBracketingException;
+import org.apache.commons.math4.exception.NoDataException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.exception.NumberIsTooLargeException;
+import org.apache.commons.math4.exception.TooManyEvaluationsException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.util.FastMath;
 
 /**
  * Implements the <a href="http://mathworld.wolfram.com/LaguerresMethod.html";>
@@ -182,7 +182,7 @@ public class LaguerreSolver extends 
AbstractPolynomialSolver {
      * @param coefficients Polynomial coefficients.
      * @param initial Start value.
      * @return the point at which the function value is zero.
-     * @throws org.apache.commons.math3.exception.TooManyEvaluationsException
+     * @throws org.apache.commons.math4.exception.TooManyEvaluationsException
      * if the maximum number of evaluations is exceeded.
      * @throws NullArgumentException if the {@code coefficients} is
      * {@code null}.
@@ -212,7 +212,7 @@ public class LaguerreSolver extends 
AbstractPolynomialSolver {
      * @param coefficients Polynomial coefficients.
      * @param initial Start value.
      * @return the point at which the function value is zero.
-     * @throws org.apache.commons.math3.exception.TooManyEvaluationsException
+     * @throws org.apache.commons.math4.exception.TooManyEvaluationsException
      * if the maximum number of evaluations is exceeded.
      * @throws NullArgumentException if the {@code coefficients} is
      * {@code null}.
@@ -262,7 +262,7 @@ public class LaguerreSolver extends 
AbstractPolynomialSolver {
          * @param coefficients Polynomial coefficients.
          * @param initial Start value.
          * @return the point at which the function value is zero.
-         * @throws 
org.apache.commons.math3.exception.TooManyEvaluationsException
+         * @throws 
org.apache.commons.math4.exception.TooManyEvaluationsException
          * if the maximum number of evaluations is exceeded.
          * @throws NullArgumentException if the {@code coefficients} is
          * {@code null}.
@@ -311,7 +311,7 @@ public class LaguerreSolver extends 
AbstractPolynomialSolver {
          * @param coefficients Polynomial coefficients.
          * @param initial Start value.
          * @return the point at which the function value is zero.
-         * @throws 
org.apache.commons.math3.exception.TooManyEvaluationsException
+         * @throws 
org.apache.commons.math4.exception.TooManyEvaluationsException
          * if the maximum number of evaluations is exceeded.
          * @throws NullArgumentException if the {@code coefficients} is
          * {@code null}.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/solvers/MullerSolver.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/commons/math4/analysis/solvers/MullerSolver.java 
b/src/main/java/org/apache/commons/math4/analysis/solvers/MullerSolver.java
index 06a7b6b..9a86406 100644
--- a/src/main/java/org/apache/commons/math4/analysis/solvers/MullerSolver.java
+++ b/src/main/java/org/apache/commons/math4/analysis/solvers/MullerSolver.java
@@ -14,12 +14,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis.solvers;
+package org.apache.commons.math4.analysis.solvers;
 
-import org.apache.commons.math3.util.FastMath;
-import org.apache.commons.math3.exception.NumberIsTooLargeException;
-import org.apache.commons.math3.exception.NoBracketingException;
-import org.apache.commons.math3.exception.TooManyEvaluationsException;
+import org.apache.commons.math4.exception.NoBracketingException;
+import org.apache.commons.math4.exception.NumberIsTooLargeException;
+import org.apache.commons.math4.exception.TooManyEvaluationsException;
+import org.apache.commons.math4.util.FastMath;
 
 /**
  * This class implements the <a 
href="http://mathworld.wolfram.com/MullersMethod.html";>

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/solvers/MullerSolver2.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/commons/math4/analysis/solvers/MullerSolver2.java 
b/src/main/java/org/apache/commons/math4/analysis/solvers/MullerSolver2.java
index 2a79c11..1cbfdfd 100644
--- a/src/main/java/org/apache/commons/math4/analysis/solvers/MullerSolver2.java
+++ b/src/main/java/org/apache/commons/math4/analysis/solvers/MullerSolver2.java
@@ -14,12 +14,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis.solvers;
+package org.apache.commons.math4.analysis.solvers;
 
-import org.apache.commons.math3.exception.NoBracketingException;
-import org.apache.commons.math3.exception.NumberIsTooLargeException;
-import org.apache.commons.math3.exception.TooManyEvaluationsException;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.exception.NoBracketingException;
+import org.apache.commons.math4.exception.NumberIsTooLargeException;
+import org.apache.commons.math4.exception.TooManyEvaluationsException;
+import org.apache.commons.math4.util.FastMath;
 
 /**
  * This class implements the <a 
href="http://mathworld.wolfram.com/MullersMethod.html";>

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/solvers/NewtonRaphsonSolver.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/commons/math4/analysis/solvers/NewtonRaphsonSolver.java
 
b/src/main/java/org/apache/commons/math4/analysis/solvers/NewtonRaphsonSolver.java
index 4cf2688..5539e3b 100644
--- 
a/src/main/java/org/apache/commons/math4/analysis/solvers/NewtonRaphsonSolver.java
+++ 
b/src/main/java/org/apache/commons/math4/analysis/solvers/NewtonRaphsonSolver.java
@@ -15,12 +15,12 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.analysis.solvers;
+package org.apache.commons.math4.analysis.solvers;
 
-import org.apache.commons.math3.analysis.differentiation.DerivativeStructure;
-import 
org.apache.commons.math3.analysis.differentiation.UnivariateDifferentiableFunction;
-import org.apache.commons.math3.util.FastMath;
-import org.apache.commons.math3.exception.TooManyEvaluationsException;
+import org.apache.commons.math4.analysis.differentiation.DerivativeStructure;
+import 
org.apache.commons.math4.analysis.differentiation.UnivariateDifferentiableFunction;
+import org.apache.commons.math4.exception.TooManyEvaluationsException;
+import org.apache.commons.math4.util.FastMath;
 
 /**
  * Implements <a href="http://mathworld.wolfram.com/NewtonsMethod.html";>
@@ -56,9 +56,9 @@ public class NewtonRaphsonSolver extends 
AbstractUnivariateDifferentiableSolver
      * @param max Upper bound for the interval.
      * @param maxEval Maximum number of evaluations.
      * @return the value where the function is zero.
-     * @throws org.apache.commons.math3.exception.TooManyEvaluationsException
+     * @throws org.apache.commons.math4.exception.TooManyEvaluationsException
      * if the maximum evaluation count is exceeded.
-     * @throws org.apache.commons.math3.exception.NumberIsTooLargeException
+     * @throws org.apache.commons.math4.exception.NumberIsTooLargeException
      * if {@code min >= max}.
      */
     @Override

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/solvers/NewtonSolver.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/commons/math4/analysis/solvers/NewtonSolver.java 
b/src/main/java/org/apache/commons/math4/analysis/solvers/NewtonSolver.java
index 3ba7bf2..f377030 100644
--- a/src/main/java/org/apache/commons/math4/analysis/solvers/NewtonSolver.java
+++ b/src/main/java/org/apache/commons/math4/analysis/solvers/NewtonSolver.java
@@ -15,11 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.analysis.solvers;
+package org.apache.commons.math4.analysis.solvers;
 
-import org.apache.commons.math3.analysis.DifferentiableUnivariateFunction;
-import org.apache.commons.math3.util.FastMath;
-import org.apache.commons.math3.exception.TooManyEvaluationsException;
+import org.apache.commons.math4.analysis.DifferentiableUnivariateFunction;
+import org.apache.commons.math4.exception.TooManyEvaluationsException;
+import org.apache.commons.math4.util.FastMath;
 
 /**
  * Implements <a href="http://mathworld.wolfram.com/NewtonsMethod.html";>
@@ -57,9 +57,9 @@ public class NewtonSolver extends 
AbstractDifferentiableUnivariateSolver {
      * @param max Upper bound for the interval.
      * @param maxEval Maximum number of evaluations.
      * @return the value where the function is zero.
-     * @throws org.apache.commons.math3.exception.TooManyEvaluationsException
+     * @throws org.apache.commons.math4.exception.TooManyEvaluationsException
      * if the maximum evaluation count is exceeded.
-     * @throws org.apache.commons.math3.exception.NumberIsTooLargeException
+     * @throws org.apache.commons.math4.exception.NumberIsTooLargeException
      * if {@code min >= max}.
      */
     @Override

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/solvers/PegasusSolver.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/commons/math4/analysis/solvers/PegasusSolver.java 
b/src/main/java/org/apache/commons/math4/analysis/solvers/PegasusSolver.java
index 0d80895..3abb279 100644
--- a/src/main/java/org/apache/commons/math4/analysis/solvers/PegasusSolver.java
+++ b/src/main/java/org/apache/commons/math4/analysis/solvers/PegasusSolver.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.analysis.solvers;
+package org.apache.commons.math4.analysis.solvers;
 
 /**
  * Implements the <em>Pegasus</em> method for root-finding (approximating

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/solvers/PolynomialSolver.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/commons/math4/analysis/solvers/PolynomialSolver.java 
b/src/main/java/org/apache/commons/math4/analysis/solvers/PolynomialSolver.java
index c21f076..e4d0c48 100644
--- 
a/src/main/java/org/apache/commons/math4/analysis/solvers/PolynomialSolver.java
+++ 
b/src/main/java/org/apache/commons/math4/analysis/solvers/PolynomialSolver.java
@@ -14,9 +14,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis.solvers;
+package org.apache.commons.math4.analysis.solvers;
 
-import org.apache.commons.math3.analysis.polynomials.PolynomialFunction;
+import org.apache.commons.math4.analysis.polynomials.PolynomialFunction;
 
 /**
  * Interface for (polynomial) root-finding algorithms.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/solvers/RegulaFalsiSolver.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/commons/math4/analysis/solvers/RegulaFalsiSolver.java
 
b/src/main/java/org/apache/commons/math4/analysis/solvers/RegulaFalsiSolver.java
index cfb7055..c59bd89 100644
--- 
a/src/main/java/org/apache/commons/math4/analysis/solvers/RegulaFalsiSolver.java
+++ 
b/src/main/java/org/apache/commons/math4/analysis/solvers/RegulaFalsiSolver.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.analysis.solvers;
+package org.apache.commons.math4.analysis.solvers;
 
 /**
  * Implements the <em>Regula Falsi</em> or <em>False position</em> method for

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/solvers/RiddersSolver.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/commons/math4/analysis/solvers/RiddersSolver.java 
b/src/main/java/org/apache/commons/math4/analysis/solvers/RiddersSolver.java
index d83f595..edce668 100644
--- a/src/main/java/org/apache/commons/math4/analysis/solvers/RiddersSolver.java
+++ b/src/main/java/org/apache/commons/math4/analysis/solvers/RiddersSolver.java
@@ -14,11 +14,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis.solvers;
+package org.apache.commons.math4.analysis.solvers;
 
-import org.apache.commons.math3.util.FastMath;
-import org.apache.commons.math3.exception.NoBracketingException;
-import org.apache.commons.math3.exception.TooManyEvaluationsException;
+import org.apache.commons.math4.exception.NoBracketingException;
+import org.apache.commons.math4.exception.TooManyEvaluationsException;
+import org.apache.commons.math4.util.FastMath;
 
 /**
  * Implements the <a href="http://mathworld.wolfram.com/RiddersMethod.html";>

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/solvers/SecantSolver.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/commons/math4/analysis/solvers/SecantSolver.java 
b/src/main/java/org/apache/commons/math4/analysis/solvers/SecantSolver.java
index d866cf8..2600caf 100644
--- a/src/main/java/org/apache/commons/math4/analysis/solvers/SecantSolver.java
+++ b/src/main/java/org/apache/commons/math4/analysis/solvers/SecantSolver.java
@@ -15,11 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.analysis.solvers;
+package org.apache.commons.math4.analysis.solvers;
 
-import org.apache.commons.math3.util.FastMath;
-import org.apache.commons.math3.exception.NoBracketingException;
-import org.apache.commons.math3.exception.TooManyEvaluationsException;
+import org.apache.commons.math4.exception.NoBracketingException;
+import org.apache.commons.math4.exception.TooManyEvaluationsException;
+import org.apache.commons.math4.util.FastMath;
 
 /**
  * Implements the <em>Secant</em> method for root-finding (approximating a

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/solvers/UnivariateDifferentiableSolver.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/commons/math4/analysis/solvers/UnivariateDifferentiableSolver.java
 
b/src/main/java/org/apache/commons/math4/analysis/solvers/UnivariateDifferentiableSolver.java
index 82bbead..254085e 100644
--- 
a/src/main/java/org/apache/commons/math4/analysis/solvers/UnivariateDifferentiableSolver.java
+++ 
b/src/main/java/org/apache/commons/math4/analysis/solvers/UnivariateDifferentiableSolver.java
@@ -14,9 +14,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis.solvers;
+package org.apache.commons.math4.analysis.solvers;
 
-import 
org.apache.commons.math3.analysis.differentiation.UnivariateDifferentiableFunction;
+import 
org.apache.commons.math4.analysis.differentiation.UnivariateDifferentiableFunction;
 
 
 /**

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/solvers/UnivariateSolver.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/commons/math4/analysis/solvers/UnivariateSolver.java 
b/src/main/java/org/apache/commons/math4/analysis/solvers/UnivariateSolver.java
index 484e67a..7755041 100644
--- 
a/src/main/java/org/apache/commons/math4/analysis/solvers/UnivariateSolver.java
+++ 
b/src/main/java/org/apache/commons/math4/analysis/solvers/UnivariateSolver.java
@@ -14,9 +14,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis.solvers;
+package org.apache.commons.math4.analysis.solvers;
 
-import org.apache.commons.math3.analysis.UnivariateFunction;
+import org.apache.commons.math4.analysis.UnivariateFunction;
 
 
 /**

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/solvers/UnivariateSolverUtils.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/commons/math4/analysis/solvers/UnivariateSolverUtils.java
 
b/src/main/java/org/apache/commons/math4/analysis/solvers/UnivariateSolverUtils.java
index 4c2dd90..2521c9b 100644
--- 
a/src/main/java/org/apache/commons/math4/analysis/solvers/UnivariateSolverUtils.java
+++ 
b/src/main/java/org/apache/commons/math4/analysis/solvers/UnivariateSolverUtils.java
@@ -14,15 +14,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis.solvers;
-
-import org.apache.commons.math3.analysis.UnivariateFunction;
-import org.apache.commons.math3.exception.NoBracketingException;
-import org.apache.commons.math3.exception.NotStrictlyPositiveException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.exception.NumberIsTooLargeException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.util.FastMath;
+package org.apache.commons.math4.analysis.solvers;
+
+import org.apache.commons.math4.analysis.UnivariateFunction;
+import org.apache.commons.math4.exception.NoBracketingException;
+import org.apache.commons.math4.exception.NotStrictlyPositiveException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.exception.NumberIsTooLargeException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.util.FastMath;
 
 /**
  * Utility routines for {@link UnivariateSolver} objects.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/solvers/package-info.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/commons/math4/analysis/solvers/package-info.java 
b/src/main/java/org/apache/commons/math4/analysis/solvers/package-info.java
index eb15fbc..95d4660 100644
--- a/src/main/java/org/apache/commons/math4/analysis/solvers/package-info.java
+++ b/src/main/java/org/apache/commons/math4/analysis/solvers/package-info.java
@@ -19,4 +19,4 @@
  *     Root finding algorithms, for univariate real functions.
  *
  */
-package org.apache.commons.math3.analysis.solvers;
+package org.apache.commons.math4.analysis.solvers;

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/complex/Complex.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/complex/Complex.java 
b/src/main/java/org/apache/commons/math4/complex/Complex.java
index c8bd211..546b8da 100644
--- a/src/main/java/org/apache/commons/math4/complex/Complex.java
+++ b/src/main/java/org/apache/commons/math4/complex/Complex.java
@@ -15,19 +15,19 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.complex;
+package org.apache.commons.math4.complex;
 
 import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.List;
 
-import org.apache.commons.math3.FieldElement;
-import org.apache.commons.math3.exception.NotPositiveException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.util.FastMath;
-import org.apache.commons.math3.util.MathUtils;
-import org.apache.commons.math3.util.Precision;
+import org.apache.commons.math4.FieldElement;
+import org.apache.commons.math4.exception.NotPositiveException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.util.FastMath;
+import org.apache.commons.math4.util.MathUtils;
+import org.apache.commons.math4.util.Precision;
 
 /**
  * Representation of a Complex number, i.e. a number which has both a
@@ -46,8 +46,8 @@ import org.apache.commons.math3.util.Precision;
  * Note that this is in contradiction with the IEEE-754 standard for floating
  * point numbers (according to which the test {@code x == x} must fail if
  * {@code x} is {@code NaN}). The method
- * {@link org.apache.commons.math3.util.Precision#equals(double,double,int)
- * equals for primitive double} in {@link 
org.apache.commons.math3.util.Precision}
+ * {@link org.apache.commons.math4.util.Precision#equals(double,double,int)
+ * equals for primitive double} in {@link 
org.apache.commons.math4.util.Precision}
  * conforms with IEEE-754 while this class conforms with the standard behavior
  * for Java object types.
  * <br/>

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/complex/ComplexField.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/complex/ComplexField.java 
b/src/main/java/org/apache/commons/math4/complex/ComplexField.java
index 939752d..8a91d00 100644
--- a/src/main/java/org/apache/commons/math4/complex/ComplexField.java
+++ b/src/main/java/org/apache/commons/math4/complex/ComplexField.java
@@ -15,12 +15,12 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.complex;
+package org.apache.commons.math4.complex;
 
 import java.io.Serializable;
 
-import org.apache.commons.math3.Field;
-import org.apache.commons.math3.FieldElement;
+import org.apache.commons.math4.Field;
+import org.apache.commons.math4.FieldElement;
 
 /**
  * Representation of the complex numbers field.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/complex/ComplexFormat.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/complex/ComplexFormat.java 
b/src/main/java/org/apache/commons/math4/complex/ComplexFormat.java
index affb638..f1ca864 100644
--- a/src/main/java/org/apache/commons/math4/complex/ComplexFormat.java
+++ b/src/main/java/org/apache/commons/math4/complex/ComplexFormat.java
@@ -15,19 +15,19 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.complex;
+package org.apache.commons.math4.complex;
 
 import java.text.FieldPosition;
 import java.text.NumberFormat;
 import java.text.ParsePosition;
 import java.util.Locale;
 
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.MathParseException;
-import org.apache.commons.math3.exception.NoDataException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.util.CompositeFormat;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.MathParseException;
+import org.apache.commons.math4.exception.NoDataException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.util.CompositeFormat;
 
 /**
  * Formats a Complex number in cartesian format "Re(c) + Im(c)i".  'i' can

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/complex/ComplexUtils.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/complex/ComplexUtils.java 
b/src/main/java/org/apache/commons/math4/complex/ComplexUtils.java
index 55db946..493374f 100644
--- a/src/main/java/org/apache/commons/math4/complex/ComplexUtils.java
+++ b/src/main/java/org/apache/commons/math4/complex/ComplexUtils.java
@@ -15,15 +15,15 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.complex;
+package org.apache.commons.math4.complex;
 
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.util.FastMath;
 
 /**
  * Static implementations of common
- * {@link org.apache.commons.math3.complex.Complex} utilities functions.
+ * {@link org.apache.commons.math4.complex.Complex} utilities functions.
  *
  */
 public class ComplexUtils {

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/complex/Quaternion.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/complex/Quaternion.java 
b/src/main/java/org/apache/commons/math4/complex/Quaternion.java
index e845596..505b64e 100644
--- a/src/main/java/org/apache/commons/math4/complex/Quaternion.java
+++ b/src/main/java/org/apache/commons/math4/complex/Quaternion.java
@@ -15,15 +15,16 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.complex;
+package org.apache.commons.math4.complex;
 
 import java.io.Serializable;
-import org.apache.commons.math3.util.FastMath;
-import org.apache.commons.math3.util.MathUtils;
-import org.apache.commons.math3.util.Precision;
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.ZeroException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
+
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.ZeroException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.util.FastMath;
+import org.apache.commons.math4.util.MathUtils;
+import org.apache.commons.math4.util.Precision;
 
 /**
  * This class implements <a 
href="http://mathworld.wolfram.com/Quaternion.html";>

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/complex/RootsOfUnity.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/complex/RootsOfUnity.java 
b/src/main/java/org/apache/commons/math4/complex/RootsOfUnity.java
index 4e63835..80fcb4b 100644
--- a/src/main/java/org/apache/commons/math4/complex/RootsOfUnity.java
+++ b/src/main/java/org/apache/commons/math4/complex/RootsOfUnity.java
@@ -14,16 +14,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.complex;
+package org.apache.commons.math4.complex;
 
 import java.io.Serializable;
 
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.MathIllegalStateException;
-import org.apache.commons.math3.exception.OutOfRangeException;
-import org.apache.commons.math3.exception.ZeroException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.MathIllegalStateException;
+import org.apache.commons.math4.exception.OutOfRangeException;
+import org.apache.commons.math4.exception.ZeroException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.util.FastMath;
 
 /**
  * A helper class for the computation and caching of the {@code n}-th roots of

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/complex/package-info.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/complex/package-info.java 
b/src/main/java/org/apache/commons/math4/complex/package-info.java
index 818806d..43effd5 100644
--- a/src/main/java/org/apache/commons/math4/complex/package-info.java
+++ b/src/main/java/org/apache/commons/math4/complex/package-info.java
@@ -20,4 +20,4 @@
  *     functions.
  *
  */
-package org.apache.commons.math3.complex;
+package org.apache.commons.math4.complex;

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/dfp/BracketingNthOrderBrentSolverDFP.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/commons/math4/dfp/BracketingNthOrderBrentSolverDFP.java
 
b/src/main/java/org/apache/commons/math4/dfp/BracketingNthOrderBrentSolverDFP.java
index c0328b6..86edeca 100644
--- 
a/src/main/java/org/apache/commons/math4/dfp/BracketingNthOrderBrentSolverDFP.java
+++ 
b/src/main/java/org/apache/commons/math4/dfp/BracketingNthOrderBrentSolverDFP.java
@@ -14,16 +14,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.dfp;
+package org.apache.commons.math4.dfp;
 
 
-import org.apache.commons.math3.analysis.solvers.AllowedSolution;
-import org.apache.commons.math3.exception.MathInternalError;
-import org.apache.commons.math3.exception.NoBracketingException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.exception.NumberIsTooSmallException;
-import org.apache.commons.math3.util.Incrementor;
-import org.apache.commons.math3.util.MathUtils;
+import org.apache.commons.math4.analysis.solvers.AllowedSolution;
+import org.apache.commons.math4.exception.MathInternalError;
+import org.apache.commons.math4.exception.NoBracketingException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.exception.NumberIsTooSmallException;
+import org.apache.commons.math4.util.Incrementor;
+import org.apache.commons.math4.util.MathUtils;
 
 /**
  * This class implements a modification of the <a

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/dfp/Dfp.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/dfp/Dfp.java 
b/src/main/java/org/apache/commons/math4/dfp/Dfp.java
index 19d79a8..52b992c 100644
--- a/src/main/java/org/apache/commons/math4/dfp/Dfp.java
+++ b/src/main/java/org/apache/commons/math4/dfp/Dfp.java
@@ -15,13 +15,13 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.dfp;
+package org.apache.commons.math4.dfp;
 
 import java.util.Arrays;
 
-import org.apache.commons.math3.RealFieldElement;
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.RealFieldElement;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.util.FastMath;
 
 /**
  *  Decimal floating point library for Java
@@ -625,12 +625,12 @@ public class Dfp implements RealFieldElement<Dfp> {
         return field.newDfp(sig, code);
     }
 
-    /** Get the {@link org.apache.commons.math3.Field Field} (really a {@link 
DfpField}) to which the instance belongs.
+    /** Get the {@link org.apache.commons.math4.Field Field} (really a {@link 
DfpField}) to which the instance belongs.
      * <p>
      * The field is linked to the number of digits and acts as a factory
      * for {@link Dfp} instances.
      * </p>
-     * @return {@link org.apache.commons.math3.Field Field} (really a {@link 
DfpField}) to which the instance belongs
+     * @return {@link org.apache.commons.math4.Field Field} (really a {@link 
DfpField}) to which the instance belongs
      */
     public DfpField getField() {
         return field;

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/dfp/DfpDec.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/dfp/DfpDec.java 
b/src/main/java/org/apache/commons/math4/dfp/DfpDec.java
index 20875c0..6da5b2e 100644
--- a/src/main/java/org/apache/commons/math4/dfp/DfpDec.java
+++ b/src/main/java/org/apache/commons/math4/dfp/DfpDec.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.dfp;
+package org.apache.commons.math4.dfp;
 
 /** Subclass of {@link Dfp} which hides the radix-10000 artifacts of the 
superclass.
  * This should give outward appearances of being a decimal number with 
DIGITS*4-3

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/dfp/DfpField.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/dfp/DfpField.java 
b/src/main/java/org/apache/commons/math4/dfp/DfpField.java
index fcdec82..0e65b59 100644
--- a/src/main/java/org/apache/commons/math4/dfp/DfpField.java
+++ b/src/main/java/org/apache/commons/math4/dfp/DfpField.java
@@ -15,10 +15,10 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.dfp;
+package org.apache.commons.math4.dfp;
 
-import org.apache.commons.math3.Field;
-import org.apache.commons.math3.FieldElement;
+import org.apache.commons.math4.Field;
+import org.apache.commons.math4.FieldElement;
 
 /** Field for Decimal floating point instances.
  * @since 2.2

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/dfp/DfpMath.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/dfp/DfpMath.java 
b/src/main/java/org/apache/commons/math4/dfp/DfpMath.java
index 3b19cb6..79c6821 100644
--- a/src/main/java/org/apache/commons/math4/dfp/DfpMath.java
+++ b/src/main/java/org/apache/commons/math4/dfp/DfpMath.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.dfp;
+package org.apache.commons.math4.dfp;
 
 /** Mathematical routines for use with {@link Dfp}.
  * The constants are defined in {@link DfpField}

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/dfp/UnivariateDfpFunction.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/commons/math4/dfp/UnivariateDfpFunction.java 
b/src/main/java/org/apache/commons/math4/dfp/UnivariateDfpFunction.java
index b627a32..5c4d4e5 100644
--- a/src/main/java/org/apache/commons/math4/dfp/UnivariateDfpFunction.java
+++ b/src/main/java/org/apache/commons/math4/dfp/UnivariateDfpFunction.java
@@ -14,7 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.dfp;
+package org.apache.commons.math4.dfp;
 
 /**
  * An interface representing a univariate {@link Dfp} function.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/dfp/package-info.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/dfp/package-info.java 
b/src/main/java/org/apache/commons/math4/dfp/package-info.java
index 42a4b48..4013231 100644
--- a/src/main/java/org/apache/commons/math4/dfp/package-info.java
+++ b/src/main/java/org/apache/commons/math4/dfp/package-info.java
@@ -85,4 +85,4 @@
  * this can be rendered invisible by a subclass.</p>
  *
  */
-package org.apache.commons.math3.dfp;
+package org.apache.commons.math4.dfp;

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/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 82a96c5..eccf9e7 100644
--- 
a/src/main/java/org/apache/commons/math4/distribution/AbstractIntegerDistribution.java
+++ 
b/src/main/java/org/apache/commons/math4/distribution/AbstractIntegerDistribution.java
@@ -14,18 +14,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.distribution;
+package org.apache.commons.math4.distribution;
 
 import java.io.Serializable;
 
-import org.apache.commons.math3.exception.MathInternalError;
-import org.apache.commons.math3.exception.NotStrictlyPositiveException;
-import org.apache.commons.math3.exception.NumberIsTooLargeException;
-import org.apache.commons.math3.exception.OutOfRangeException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.random.RandomGenerator;
-import org.apache.commons.math3.random.RandomDataImpl;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.exception.MathInternalError;
+import org.apache.commons.math4.exception.NotStrictlyPositiveException;
+import org.apache.commons.math4.exception.NumberIsTooLargeException;
+import org.apache.commons.math4.exception.OutOfRangeException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.random.RandomDataImpl;
+import org.apache.commons.math4.random.RandomGenerator;
+import org.apache.commons.math4.util.FastMath;
 
 /**
  * Base class for integer-valued discrete distributions.  Default

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/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 a1dfd64..48de3c8 100644
--- 
a/src/main/java/org/apache/commons/math4/distribution/AbstractMultivariateRealDistribution.java
+++ 
b/src/main/java/org/apache/commons/math4/distribution/AbstractMultivariateRealDistribution.java
@@ -14,11 +14,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.distribution;
+package org.apache.commons.math4.distribution;
 
-import org.apache.commons.math3.exception.NotStrictlyPositiveException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.random.RandomGenerator;
+import org.apache.commons.math4.exception.NotStrictlyPositiveException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.random.RandomGenerator;
 
 /**
  * Base class for multivariate probability distributions.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/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 e3b1fac..f1e0233 100644
--- 
a/src/main/java/org/apache/commons/math4/distribution/AbstractRealDistribution.java
+++ 
b/src/main/java/org/apache/commons/math4/distribution/AbstractRealDistribution.java
@@ -14,19 +14,19 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.distribution;
+package org.apache.commons.math4.distribution;
 
 import java.io.Serializable;
 
-import org.apache.commons.math3.analysis.UnivariateFunction;
-import org.apache.commons.math3.analysis.solvers.UnivariateSolverUtils;
-import org.apache.commons.math3.exception.NotStrictlyPositiveException;
-import org.apache.commons.math3.exception.NumberIsTooLargeException;
-import org.apache.commons.math3.exception.OutOfRangeException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.random.RandomGenerator;
-import org.apache.commons.math3.random.RandomDataImpl;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.analysis.UnivariateFunction;
+import org.apache.commons.math4.analysis.solvers.UnivariateSolverUtils;
+import org.apache.commons.math4.exception.NotStrictlyPositiveException;
+import org.apache.commons.math4.exception.NumberIsTooLargeException;
+import org.apache.commons.math4.exception.OutOfRangeException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.random.RandomDataImpl;
+import org.apache.commons.math4.random.RandomGenerator;
+import org.apache.commons.math4.util.FastMath;
 
 /**
  * Base class for probability distributions on the reals.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/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 3f62f64..f2fb03c 100644
--- a/src/main/java/org/apache/commons/math4/distribution/BetaDistribution.java
+++ b/src/main/java/org/apache/commons/math4/distribution/BetaDistribution.java
@@ -14,15 +14,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.distribution;
+package org.apache.commons.math4.distribution;
 
-import org.apache.commons.math3.exception.NumberIsTooSmallException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.random.RandomGenerator;
-import org.apache.commons.math3.random.Well19937c;
-import org.apache.commons.math3.special.Beta;
-import org.apache.commons.math3.special.Gamma;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.exception.NumberIsTooSmallException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.random.RandomGenerator;
+import org.apache.commons.math4.random.Well19937c;
+import org.apache.commons.math4.special.Beta;
+import org.apache.commons.math4.special.Gamma;
+import org.apache.commons.math4.util.FastMath;
 
 /**
  * Implements the Beta distribution.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/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 f8cea26..bdb356b 100644
--- 
a/src/main/java/org/apache/commons/math4/distribution/BinomialDistribution.java
+++ 
b/src/main/java/org/apache/commons/math4/distribution/BinomialDistribution.java
@@ -14,15 +14,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.distribution;
-
-import org.apache.commons.math3.exception.NotPositiveException;
-import org.apache.commons.math3.exception.OutOfRangeException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.random.RandomGenerator;
-import org.apache.commons.math3.random.Well19937c;
-import org.apache.commons.math3.special.Beta;
-import org.apache.commons.math3.util.FastMath;
+package org.apache.commons.math4.distribution;
+
+import org.apache.commons.math4.exception.NotPositiveException;
+import org.apache.commons.math4.exception.OutOfRangeException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.random.RandomGenerator;
+import org.apache.commons.math4.random.Well19937c;
+import org.apache.commons.math4.special.Beta;
+import org.apache.commons.math4.util.FastMath;
 
 /**
  * Implementation of the binomial distribution.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/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 af3d33a..33d908e 100644
--- 
a/src/main/java/org/apache/commons/math4/distribution/CauchyDistribution.java
+++ 
b/src/main/java/org/apache/commons/math4/distribution/CauchyDistribution.java
@@ -14,14 +14,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.distribution;
+package org.apache.commons.math4.distribution;
 
-import org.apache.commons.math3.exception.NotStrictlyPositiveException;
-import org.apache.commons.math3.exception.OutOfRangeException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.random.RandomGenerator;
-import org.apache.commons.math3.random.Well19937c;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.exception.NotStrictlyPositiveException;
+import org.apache.commons.math4.exception.OutOfRangeException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.random.RandomGenerator;
+import org.apache.commons.math4.random.Well19937c;
+import org.apache.commons.math4.util.FastMath;
 
 /**
  * Implementation of the Cauchy distribution.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/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 393d352..2627c33 100644
--- 
a/src/main/java/org/apache/commons/math4/distribution/ChiSquaredDistribution.java
+++ 
b/src/main/java/org/apache/commons/math4/distribution/ChiSquaredDistribution.java
@@ -14,10 +14,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.distribution;
+package org.apache.commons.math4.distribution;
 
-import org.apache.commons.math3.random.RandomGenerator;
-import org.apache.commons.math3.random.Well19937c;
+import org.apache.commons.math4.random.RandomGenerator;
+import org.apache.commons.math4.random.Well19937c;
 
 /**
  * Implementation of the chi-squared distribution.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/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 0dbb6aa..6149b31 100644
--- 
a/src/main/java/org/apache/commons/math4/distribution/ConstantRealDistribution.java
+++ 
b/src/main/java/org/apache/commons/math4/distribution/ConstantRealDistribution.java
@@ -15,9 +15,9 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.distribution;
+package org.apache.commons.math4.distribution;
 
-import org.apache.commons.math3.exception.OutOfRangeException;
+import org.apache.commons.math4.exception.OutOfRangeException;
 
 /**
  * Implementation of the constant real distribution.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/distribution/EnumeratedDistribution.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/commons/math4/distribution/EnumeratedDistribution.java
 
b/src/main/java/org/apache/commons/math4/distribution/EnumeratedDistribution.java
index 4cb23c1..8e45c0c 100644
--- 
a/src/main/java/org/apache/commons/math4/distribution/EnumeratedDistribution.java
+++ 
b/src/main/java/org/apache/commons/math4/distribution/EnumeratedDistribution.java
@@ -14,7 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.distribution;
+package org.apache.commons.math4.distribution;
 
 import java.io.Serializable;
 import java.lang.reflect.Array;
@@ -22,17 +22,17 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 
-import org.apache.commons.math3.exception.MathArithmeticException;
-import org.apache.commons.math3.exception.NotANumberException;
-import org.apache.commons.math3.exception.NotFiniteNumberException;
-import org.apache.commons.math3.exception.NotPositiveException;
-import org.apache.commons.math3.exception.NotStrictlyPositiveException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.random.RandomGenerator;
-import org.apache.commons.math3.random.Well19937c;
-import org.apache.commons.math3.util.MathArrays;
-import org.apache.commons.math3.util.Pair;
+import org.apache.commons.math4.exception.MathArithmeticException;
+import org.apache.commons.math4.exception.NotANumberException;
+import org.apache.commons.math4.exception.NotFiniteNumberException;
+import org.apache.commons.math4.exception.NotPositiveException;
+import org.apache.commons.math4.exception.NotStrictlyPositiveException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.random.RandomGenerator;
+import org.apache.commons.math4.random.Well19937c;
+import org.apache.commons.math4.util.MathArrays;
+import org.apache.commons.math4.util.Pair;
 
 /**
  * <p>A generic implementation of a

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/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 9a07787..05f0d73 100644
--- 
a/src/main/java/org/apache/commons/math4/distribution/EnumeratedIntegerDistribution.java
+++ 
b/src/main/java/org/apache/commons/math4/distribution/EnumeratedIntegerDistribution.java
@@ -14,19 +14,19 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.distribution;
+package org.apache.commons.math4.distribution;
 
 import java.util.ArrayList;
 import java.util.List;
 
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.MathArithmeticException;
-import org.apache.commons.math3.exception.NotANumberException;
-import org.apache.commons.math3.exception.NotFiniteNumberException;
-import org.apache.commons.math3.exception.NotPositiveException;
-import org.apache.commons.math3.random.RandomGenerator;
-import org.apache.commons.math3.random.Well19937c;
-import org.apache.commons.math3.util.Pair;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.MathArithmeticException;
+import org.apache.commons.math4.exception.NotANumberException;
+import org.apache.commons.math4.exception.NotFiniteNumberException;
+import org.apache.commons.math4.exception.NotPositiveException;
+import org.apache.commons.math4.random.RandomGenerator;
+import org.apache.commons.math4.random.Well19937c;
+import org.apache.commons.math4.util.Pair;
 
 /**
  * <p>Implementation of an integer-valued {@link EnumeratedDistribution}.</p>

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/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 07b96bc..fabfe00 100644
--- 
a/src/main/java/org/apache/commons/math4/distribution/EnumeratedRealDistribution.java
+++ 
b/src/main/java/org/apache/commons/math4/distribution/EnumeratedRealDistribution.java
@@ -14,20 +14,20 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.distribution;
+package org.apache.commons.math4.distribution;
 
 import java.util.ArrayList;
 import java.util.List;
 
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.MathArithmeticException;
-import org.apache.commons.math3.exception.NotANumberException;
-import org.apache.commons.math3.exception.NotFiniteNumberException;
-import org.apache.commons.math3.exception.NotPositiveException;
-import org.apache.commons.math3.exception.OutOfRangeException;
-import org.apache.commons.math3.random.RandomGenerator;
-import org.apache.commons.math3.random.Well19937c;
-import org.apache.commons.math3.util.Pair;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.MathArithmeticException;
+import org.apache.commons.math4.exception.NotANumberException;
+import org.apache.commons.math4.exception.NotFiniteNumberException;
+import org.apache.commons.math4.exception.NotPositiveException;
+import org.apache.commons.math4.exception.OutOfRangeException;
+import org.apache.commons.math4.random.RandomGenerator;
+import org.apache.commons.math4.random.Well19937c;
+import org.apache.commons.math4.util.Pair;
 
 /**
  * <p>Implementation of a real-valued {@link EnumeratedDistribution}.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/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 411f1a2..abb9985 100644
--- 
a/src/main/java/org/apache/commons/math4/distribution/ExponentialDistribution.java
+++ 
b/src/main/java/org/apache/commons/math4/distribution/ExponentialDistribution.java
@@ -14,16 +14,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.distribution;
-
-import org.apache.commons.math3.exception.NotStrictlyPositiveException;
-import org.apache.commons.math3.exception.OutOfRangeException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.random.RandomGenerator;
-import org.apache.commons.math3.random.Well19937c;
-import org.apache.commons.math3.util.CombinatoricsUtils;
-import org.apache.commons.math3.util.FastMath;
-import org.apache.commons.math3.util.ResizableDoubleArray;
+package org.apache.commons.math4.distribution;
+
+import org.apache.commons.math4.exception.NotStrictlyPositiveException;
+import org.apache.commons.math4.exception.OutOfRangeException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.random.RandomGenerator;
+import org.apache.commons.math4.random.Well19937c;
+import org.apache.commons.math4.util.CombinatoricsUtils;
+import org.apache.commons.math4.util.FastMath;
+import org.apache.commons.math4.util.ResizableDoubleArray;
 
 /**
  * Implementation of the exponential distribution.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/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 bd98c37..c34d45f 100644
--- a/src/main/java/org/apache/commons/math4/distribution/FDistribution.java
+++ b/src/main/java/org/apache/commons/math4/distribution/FDistribution.java
@@ -15,14 +15,14 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.distribution;
+package org.apache.commons.math4.distribution;
 
-import org.apache.commons.math3.exception.NotStrictlyPositiveException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.random.RandomGenerator;
-import org.apache.commons.math3.random.Well19937c;
-import org.apache.commons.math3.special.Beta;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.exception.NotStrictlyPositiveException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.random.RandomGenerator;
+import org.apache.commons.math4.random.Well19937c;
+import org.apache.commons.math4.special.Beta;
+import org.apache.commons.math4.util.FastMath;
 
 /**
  * Implementation of the F-distribution.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/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 4f60fa9..905c922 100644
--- a/src/main/java/org/apache/commons/math4/distribution/GammaDistribution.java
+++ b/src/main/java/org/apache/commons/math4/distribution/GammaDistribution.java
@@ -14,14 +14,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.distribution;
-
-import org.apache.commons.math3.exception.NotStrictlyPositiveException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.random.RandomGenerator;
-import org.apache.commons.math3.random.Well19937c;
-import org.apache.commons.math3.special.Gamma;
-import org.apache.commons.math3.util.FastMath;
+package org.apache.commons.math4.distribution;
+
+import org.apache.commons.math4.exception.NotStrictlyPositiveException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.random.RandomGenerator;
+import org.apache.commons.math4.random.Well19937c;
+import org.apache.commons.math4.special.Gamma;
+import org.apache.commons.math4.util.FastMath;
 
 /**
  * Implementation of the Gamma distribution.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/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 f82a3ec..0963376 100644
--- 
a/src/main/java/org/apache/commons/math4/distribution/GeometricDistribution.java
+++ 
b/src/main/java/org/apache/commons/math4/distribution/GeometricDistribution.java
@@ -14,13 +14,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.distribution;
+package org.apache.commons.math4.distribution;
 
-import org.apache.commons.math3.exception.OutOfRangeException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.random.RandomGenerator;
-import org.apache.commons.math3.random.Well19937c;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.exception.OutOfRangeException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.random.RandomGenerator;
+import org.apache.commons.math4.random.Well19937c;
+import org.apache.commons.math4.util.FastMath;
 
 /**
  * Implementation of the geometric distribution.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/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 85dbedd..9ab0ef2 100644
--- 
a/src/main/java/org/apache/commons/math4/distribution/GumbelDistribution.java
+++ 
b/src/main/java/org/apache/commons/math4/distribution/GumbelDistribution.java
@@ -14,15 +14,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.distribution;
-
-import org.apache.commons.math3.exception.NotStrictlyPositiveException;
-import org.apache.commons.math3.exception.OutOfRangeException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.random.RandomGenerator;
-import org.apache.commons.math3.random.Well19937c;
-import org.apache.commons.math3.util.FastMath;
-import org.apache.commons.math3.util.MathUtils;
+package org.apache.commons.math4.distribution;
+
+import org.apache.commons.math4.exception.NotStrictlyPositiveException;
+import org.apache.commons.math4.exception.OutOfRangeException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.random.RandomGenerator;
+import org.apache.commons.math4.random.Well19937c;
+import org.apache.commons.math4.util.FastMath;
+import org.apache.commons.math4.util.MathUtils;
 
 /**
  * This class implements the Gumbel distribution.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/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 7a1436a..86e0ad6 100644
--- 
a/src/main/java/org/apache/commons/math4/distribution/HypergeometricDistribution.java
+++ 
b/src/main/java/org/apache/commons/math4/distribution/HypergeometricDistribution.java
@@ -15,15 +15,15 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.distribution;
+package org.apache.commons.math4.distribution;
 
-import org.apache.commons.math3.exception.NotPositiveException;
-import org.apache.commons.math3.exception.NotStrictlyPositiveException;
-import org.apache.commons.math3.exception.NumberIsTooLargeException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.random.RandomGenerator;
-import org.apache.commons.math3.random.Well19937c;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.exception.NotPositiveException;
+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;
+import org.apache.commons.math4.util.FastMath;
 
 /**
  * Implementation of the hypergeometric distribution.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/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 9ab4a04..a905b3b 100644
--- 
a/src/main/java/org/apache/commons/math4/distribution/IntegerDistribution.java
+++ 
b/src/main/java/org/apache/commons/math4/distribution/IntegerDistribution.java
@@ -14,10 +14,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.distribution;
+package org.apache.commons.math4.distribution;
 
-import org.apache.commons.math3.exception.NumberIsTooLargeException;
-import org.apache.commons.math3.exception.OutOfRangeException;
+import org.apache.commons.math4.exception.NumberIsTooLargeException;
+import org.apache.commons.math4.exception.OutOfRangeException;
 
 /**
  * Interface for distributions on the integers.
@@ -147,7 +147,7 @@ public interface IntegerDistribution {
      *
      * @param sampleSize the number of random values to generate
      * @return an array representing the random sample
-     * @throws org.apache.commons.math3.exception.NotStrictlyPositiveException
+     * @throws org.apache.commons.math4.exception.NotStrictlyPositiveException
      * if {@code sampleSize} is not positive
      * @since 3.0
      */

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/distribution/KolmogorovSmirnovDistribution.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/commons/math4/distribution/KolmogorovSmirnovDistribution.java
 
b/src/main/java/org/apache/commons/math4/distribution/KolmogorovSmirnovDistribution.java
index 7af514d..7199121 100644
--- 
a/src/main/java/org/apache/commons/math4/distribution/KolmogorovSmirnovDistribution.java
+++ 
b/src/main/java/org/apache/commons/math4/distribution/KolmogorovSmirnovDistribution.java
@@ -15,23 +15,23 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.distribution;
+package org.apache.commons.math4.distribution;
 
 import java.io.Serializable;
 import java.math.BigDecimal;
 
-import org.apache.commons.math3.exception.MathArithmeticException;
-import org.apache.commons.math3.exception.NotStrictlyPositiveException;
-import org.apache.commons.math3.exception.NumberIsTooLargeException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.fraction.BigFraction;
-import org.apache.commons.math3.fraction.BigFractionField;
-import org.apache.commons.math3.fraction.FractionConversionException;
-import org.apache.commons.math3.linear.Array2DRowFieldMatrix;
-import org.apache.commons.math3.linear.Array2DRowRealMatrix;
-import org.apache.commons.math3.linear.FieldMatrix;
-import org.apache.commons.math3.linear.RealMatrix;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.exception.MathArithmeticException;
+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.fraction.BigFraction;
+import org.apache.commons.math4.fraction.BigFractionField;
+import org.apache.commons.math4.fraction.FractionConversionException;
+import org.apache.commons.math4.linear.Array2DRowFieldMatrix;
+import org.apache.commons.math4.linear.Array2DRowRealMatrix;
+import org.apache.commons.math4.linear.FieldMatrix;
+import org.apache.commons.math4.linear.RealMatrix;
+import org.apache.commons.math4.util.FastMath;
 
 /**
  * Implementation of the Kolmogorov-Smirnov distribution.
@@ -69,7 +69,7 @@ import org.apache.commons.math3.util.FastMath;
  * @see <a href="http://en.wikipedia.org/wiki/Kolmogorov-Smirnov_test";>
  * Kolmogorov-Smirnov test (Wikipedia)</a>
  * @deprecated to be removed in version 4.0 -
- *  use {@link org.apache.commons.math3.stat.inference.KolmogorovSmirnovTest}
+ *  use {@link org.apache.commons.math4.stat.inference.KolmogorovSmirnovTest}
  */
 public class KolmogorovSmirnovDistribution implements Serializable {
 
@@ -98,12 +98,12 @@ public class KolmogorovSmirnovDistribution implements 
Serializable {
      * exact as with
      * {@link KolmogorovSmirnovDistribution#cdfExact(double)} because
      * calculations are based on {@code double} rather than
-     * {@link org.apache.commons.math3.fraction.BigFraction}.
+     * {@link org.apache.commons.math4.fraction.BigFraction}.
      *
      * @param d statistic
      * @return the two-sided probability of {@code P(D_n < d)}
      * @throws MathArithmeticException if algorithm fails to convert {@code h}
-     * to a {@link org.apache.commons.math3.fraction.BigFraction} in expressing
+     * to a {@link org.apache.commons.math4.fraction.BigFraction} in expressing
      * {@code d} as {@code (k - h) / m} for integer {@code k, m} and
      * {@code 0 <= h < 1}.
      */
@@ -123,7 +123,7 @@ public class KolmogorovSmirnovDistribution implements 
Serializable {
      * @param d statistic
      * @return the two-sided probability of {@code P(D_n < d)}
      * @throws MathArithmeticException if algorithm fails to convert {@code h}
-     * to a {@link org.apache.commons.math3.fraction.BigFraction} in expressing
+     * to a {@link org.apache.commons.math4.fraction.BigFraction} in expressing
      * {@code d} as {@code (k - h) / m} for integer {@code k, m} and
      * {@code 0 <= h < 1}.
      */
@@ -137,14 +137,14 @@ public class KolmogorovSmirnovDistribution implements 
Serializable {
      *
      * @param d statistic
      * @param exact whether the probability should be calculated exact using
-     * {@link org.apache.commons.math3.fraction.BigFraction} everywhere at the
+     * {@link org.apache.commons.math4.fraction.BigFraction} everywhere at the
      * expense of very slow execution time, or if {@code double} should be used
      * convenient places to gain speed. Almost never choose {@code true} in 
real
      * applications unless you are very sure; {@code true} is almost solely for
      * verification purposes.
      * @return the two-sided probability of {@code P(D_n < d)}
      * @throws MathArithmeticException if algorithm fails to convert {@code h}
-     * to a {@link org.apache.commons.math3.fraction.BigFraction} in expressing
+     * to a {@link org.apache.commons.math4.fraction.BigFraction} in expressing
      * {@code d} as {@code (k - h) / m} for integer {@code k, m} and
      * {@code 0 <= h < 1}.
      */
@@ -183,13 +183,13 @@ public class KolmogorovSmirnovDistribution implements 
Serializable {
 
     /**
      * Calculates the exact value of {@code P(D_n < d)} using method described
-     * in [1] and {@link org.apache.commons.math3.fraction.BigFraction} (see
+     * in [1] and {@link org.apache.commons.math4.fraction.BigFraction} (see
      * above).
      *
      * @param d statistic
      * @return the two-sided probability of {@code P(D_n < d)}
      * @throws MathArithmeticException if algorithm fails to convert {@code h}
-     * to a {@link org.apache.commons.math3.fraction.BigFraction} in expressing
+     * to a {@link org.apache.commons.math4.fraction.BigFraction} in expressing
      * {@code d} as {@code (k - h) / m} for integer {@code k, m} and
      * {@code 0 <= h < 1}.
      */
@@ -221,7 +221,7 @@ public class KolmogorovSmirnovDistribution implements 
Serializable {
      * @param d statistic
      * @return the two-sided probability of {@code P(D_n < d)}
      * @throws MathArithmeticException if algorithm fails to convert {@code h}
-     * to a {@link org.apache.commons.math3.fraction.BigFraction} in expressing
+     * to a {@link org.apache.commons.math4.fraction.BigFraction} in expressing
      * {@code d} as {@code (k - h) / m} for integer {@code k, m} and
      * {@code 0 <= h < 1}.
      */
@@ -261,7 +261,7 @@ public class KolmogorovSmirnovDistribution implements 
Serializable {
      * @return H matrix
      * @throws NumberIsTooLargeException if fractional part is greater than 1
      * @throws FractionConversionException if algorithm fails to convert
-     * {@code h} to a {@link org.apache.commons.math3.fraction.BigFraction} in
+     * {@code h} to a {@link org.apache.commons.math4.fraction.BigFraction} in
      * expressing {@code d} as {@code (k - h) / m} for integer {@code k, m} and
      * {@code 0 <= h < 1}.
      */

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/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 0514bff..d3f21bb 100644
--- 
a/src/main/java/org/apache/commons/math4/distribution/LaplaceDistribution.java
+++ 
b/src/main/java/org/apache/commons/math4/distribution/LaplaceDistribution.java
@@ -14,14 +14,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.distribution;
-
-import org.apache.commons.math3.exception.NotStrictlyPositiveException;
-import org.apache.commons.math3.exception.OutOfRangeException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.random.RandomGenerator;
-import org.apache.commons.math3.random.Well19937c;
-import org.apache.commons.math3.util.FastMath;
+package org.apache.commons.math4.distribution;
+
+import org.apache.commons.math4.exception.NotStrictlyPositiveException;
+import org.apache.commons.math4.exception.OutOfRangeException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.random.RandomGenerator;
+import org.apache.commons.math4.random.Well19937c;
+import org.apache.commons.math4.util.FastMath;
 
 /**
  * This class implements the Laplace distribution.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/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 4580e50..a2bbab1 100644
--- a/src/main/java/org/apache/commons/math4/distribution/LevyDistribution.java
+++ b/src/main/java/org/apache/commons/math4/distribution/LevyDistribution.java
@@ -14,13 +14,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.distribution;
+package org.apache.commons.math4.distribution;
 
-import org.apache.commons.math3.exception.OutOfRangeException;
-import org.apache.commons.math3.random.RandomGenerator;
-import org.apache.commons.math3.random.Well19937c;
-import org.apache.commons.math3.special.Erf;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.exception.OutOfRangeException;
+import org.apache.commons.math4.random.RandomGenerator;
+import org.apache.commons.math4.random.Well19937c;
+import org.apache.commons.math4.special.Erf;
+import org.apache.commons.math4.util.FastMath;
 
 /**
  * This class implements the <a 
href="http://en.wikipedia.org/wiki/L%C3%A9vy_distribution";>

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/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 b8148b0..ec43db5 100644
--- 
a/src/main/java/org/apache/commons/math4/distribution/LogNormalDistribution.java
+++ 
b/src/main/java/org/apache/commons/math4/distribution/LogNormalDistribution.java
@@ -15,15 +15,15 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.distribution;
-
-import org.apache.commons.math3.exception.NotStrictlyPositiveException;
-import org.apache.commons.math3.exception.NumberIsTooLargeException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.random.RandomGenerator;
-import org.apache.commons.math3.random.Well19937c;
-import org.apache.commons.math3.special.Erf;
-import org.apache.commons.math3.util.FastMath;
+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;
+import org.apache.commons.math4.special.Erf;
+import org.apache.commons.math4.util.FastMath;
 
 /**
  * Implementation of the log-normal (gaussian) distribution.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/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 59313f5..ee29d3f 100644
--- 
a/src/main/java/org/apache/commons/math4/distribution/LogisticDistribution.java
+++ 
b/src/main/java/org/apache/commons/math4/distribution/LogisticDistribution.java
@@ -14,15 +14,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.distribution;
-
-import org.apache.commons.math3.exception.NotStrictlyPositiveException;
-import org.apache.commons.math3.exception.OutOfRangeException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.random.RandomGenerator;
-import org.apache.commons.math3.random.Well19937c;
-import org.apache.commons.math3.util.FastMath;
-import org.apache.commons.math3.util.MathUtils;
+package org.apache.commons.math4.distribution;
+
+import org.apache.commons.math4.exception.NotStrictlyPositiveException;
+import org.apache.commons.math4.exception.OutOfRangeException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.random.RandomGenerator;
+import org.apache.commons.math4.random.Well19937c;
+import org.apache.commons.math4.util.FastMath;
+import org.apache.commons.math4.util.MathUtils;
 
 /**
  * This class implements the Logistic distribution.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/distribution/MixtureMultivariateNormalDistribution.java
----------------------------------------------------------------------
diff --git 
a/src/main/java/org/apache/commons/math4/distribution/MixtureMultivariateNormalDistribution.java
 
b/src/main/java/org/apache/commons/math4/distribution/MixtureMultivariateNormalDistribution.java
index 0cf88c2..d7cd4cd 100644
--- 
a/src/main/java/org/apache/commons/math4/distribution/MixtureMultivariateNormalDistribution.java
+++ 
b/src/main/java/org/apache/commons/math4/distribution/MixtureMultivariateNormalDistribution.java
@@ -14,15 +14,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.distribution;
+package org.apache.commons.math4.distribution;
 
 import java.util.ArrayList;
 import java.util.List;
 
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.NotPositiveException;
-import org.apache.commons.math3.random.RandomGenerator;
-import org.apache.commons.math3.util.Pair;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.NotPositiveException;
+import org.apache.commons.math4.random.RandomGenerator;
+import org.apache.commons.math4.util.Pair;
 
 /**
  * Multivariate normal mixture distribution.
@@ -38,7 +38,7 @@ public class MixtureMultivariateNormalDistribution
      * Creates a multivariate normal mixture distribution.
      * <p>
      * <b>Note:</b> this constructor will implicitly create an instance of
-     * {@link org.apache.commons.math3.random.Well19937c Well19937c} as random
+     * {@link org.apache.commons.math4.random.Well19937c Well19937c} as random
      * generator to be used for sampling only (see {@link #sample()} and
      * {@link #sample(int)}). In case no sampling is needed for the created
      * distribution, it is advised to pass {@code null} as random generator via
@@ -60,7 +60,7 @@ public class MixtureMultivariateNormalDistribution
      * associated weights.
      * <p>
      * <b>Note:</b> this constructor will implicitly create an instance of
-     * {@link org.apache.commons.math3.random.Well19937c Well19937c} as random
+     * {@link org.apache.commons.math4.random.Well19937c Well19937c} as random
      * generator to be used for sampling only (see {@link #sample()} and
      * {@link #sample(int)}). In case no sampling is needed for the created
      * distribution, it is advised to pass {@code null} as random generator via

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/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 f0939f6..d8bbb9a 100644
--- 
a/src/main/java/org/apache/commons/math4/distribution/MixtureMultivariateRealDistribution.java
+++ 
b/src/main/java/org/apache/commons/math4/distribution/MixtureMultivariateRealDistribution.java
@@ -14,18 +14,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.distribution;
+package org.apache.commons.math4.distribution;
 
 import java.util.ArrayList;
 import java.util.List;
 
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.MathArithmeticException;
-import org.apache.commons.math3.exception.NotPositiveException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.random.RandomGenerator;
-import org.apache.commons.math3.random.Well19937c;
-import org.apache.commons.math3.util.Pair;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.MathArithmeticException;
+import org.apache.commons.math4.exception.NotPositiveException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.random.RandomGenerator;
+import org.apache.commons.math4.random.Well19937c;
+import org.apache.commons.math4.util.Pair;
 
 /**
  * Class for representing <a href="http://en.wikipedia.org/wiki/Mixture_model";>

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/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 7fc8b74..345fc5f 100644
--- 
a/src/main/java/org/apache/commons/math4/distribution/MultivariateNormalDistribution.java
+++ 
b/src/main/java/org/apache/commons/math4/distribution/MultivariateNormalDistribution.java
@@ -14,18 +14,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.distribution;
-
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.linear.Array2DRowRealMatrix;
-import org.apache.commons.math3.linear.EigenDecomposition;
-import org.apache.commons.math3.linear.NonPositiveDefiniteMatrixException;
-import org.apache.commons.math3.linear.RealMatrix;
-import org.apache.commons.math3.linear.SingularMatrixException;
-import org.apache.commons.math3.random.RandomGenerator;
-import org.apache.commons.math3.random.Well19937c;
-import org.apache.commons.math3.util.FastMath;
-import org.apache.commons.math3.util.MathArrays;
+package org.apache.commons.math4.distribution;
+
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.linear.Array2DRowRealMatrix;
+import org.apache.commons.math4.linear.EigenDecomposition;
+import org.apache.commons.math4.linear.NonPositiveDefiniteMatrixException;
+import org.apache.commons.math4.linear.RealMatrix;
+import org.apache.commons.math4.linear.SingularMatrixException;
+import org.apache.commons.math4.random.RandomGenerator;
+import org.apache.commons.math4.random.Well19937c;
+import org.apache.commons.math4.util.FastMath;
+import org.apache.commons.math4.util.MathArrays;
 
 /**
  * Implementation of the multivariate normal (Gaussian) distribution.

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