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From t.@apache.org
Subject [73/82] [math] Update for next development iteration: commons-math4
Date Mon, 16 Feb 2015 22:40:43 GMT
http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/FieldLUDecomposition.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/FieldLUDecomposition.java b/src/main/java/org/apache/commons/math4/linear/FieldLUDecomposition.java
index 4aa80ed..8c23ce6 100644
--- a/src/main/java/org/apache/commons/math4/linear/FieldLUDecomposition.java
+++ b/src/main/java/org/apache/commons/math4/linear/FieldLUDecomposition.java
@@ -15,12 +15,12 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
-import org.apache.commons.math3.Field;
-import org.apache.commons.math3.FieldElement;
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.util.MathArrays;
+import org.apache.commons.math4.Field;
+import org.apache.commons.math4.FieldElement;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.util.MathArrays;
 
 /**
  * Calculates the LUP-decomposition of a square matrix.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/FieldMatrix.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/FieldMatrix.java b/src/main/java/org/apache/commons/math4/linear/FieldMatrix.java
index 1048887..0db94b9 100644
--- a/src/main/java/org/apache/commons/math4/linear/FieldMatrix.java
+++ b/src/main/java/org/apache/commons/math4/linear/FieldMatrix.java
@@ -15,18 +15,18 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.linear;
-
-
-import org.apache.commons.math3.Field;
-import org.apache.commons.math3.FieldElement;
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.NoDataException;
-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.NumberIsTooSmallException;
-import org.apache.commons.math3.exception.OutOfRangeException;
+package org.apache.commons.math4.linear;
+
+
+import org.apache.commons.math4.Field;
+import org.apache.commons.math4.FieldElement;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.NoDataException;
+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.NumberIsTooSmallException;
+import org.apache.commons.math4.exception.OutOfRangeException;
 
 /**
  * Interface defining field-valued matrix with basic algebraic operations.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/FieldMatrixChangingVisitor.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/FieldMatrixChangingVisitor.java b/src/main/java/org/apache/commons/math4/linear/FieldMatrixChangingVisitor.java
index d510cd0..53c965f 100644
--- a/src/main/java/org/apache/commons/math4/linear/FieldMatrixChangingVisitor.java
+++ b/src/main/java/org/apache/commons/math4/linear/FieldMatrixChangingVisitor.java
@@ -15,9 +15,9 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
-import org.apache.commons.math3.FieldElement;
+import org.apache.commons.math4.FieldElement;
 
 /**
  * Interface defining a visitor for matrix entries.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/FieldMatrixPreservingVisitor.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/FieldMatrixPreservingVisitor.java b/src/main/java/org/apache/commons/math4/linear/FieldMatrixPreservingVisitor.java
index 8db2e3a..3b46933 100644
--- a/src/main/java/org/apache/commons/math4/linear/FieldMatrixPreservingVisitor.java
+++ b/src/main/java/org/apache/commons/math4/linear/FieldMatrixPreservingVisitor.java
@@ -15,9 +15,9 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
-import org.apache.commons.math3.FieldElement;
+import org.apache.commons.math4.FieldElement;
 
 /**
  * Interface defining a visitor for matrix entries.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/FieldVector.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/FieldVector.java b/src/main/java/org/apache/commons/math4/linear/FieldVector.java
index 2161e81..1e74e55 100644
--- a/src/main/java/org/apache/commons/math4/linear/FieldVector.java
+++ b/src/main/java/org/apache/commons/math4/linear/FieldVector.java
@@ -14,15 +14,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.linear;
-
-import org.apache.commons.math3.Field;
-import org.apache.commons.math3.FieldElement;
-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.NullArgumentException;
-import org.apache.commons.math3.exception.OutOfRangeException;
+package org.apache.commons.math4.linear;
+
+import org.apache.commons.math4.Field;
+import org.apache.commons.math4.FieldElement;
+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.NullArgumentException;
+import org.apache.commons.math4.exception.OutOfRangeException;
 
 /**
  * Interface defining a field-valued vector with basic algebraic operations.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/FieldVectorChangingVisitor.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/FieldVectorChangingVisitor.java b/src/main/java/org/apache/commons/math4/linear/FieldVectorChangingVisitor.java
index b1589b1..2938d43 100644
--- a/src/main/java/org/apache/commons/math4/linear/FieldVectorChangingVisitor.java
+++ b/src/main/java/org/apache/commons/math4/linear/FieldVectorChangingVisitor.java
@@ -14,9 +14,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
-import org.apache.commons.math3.FieldElement;
+import org.apache.commons.math4.FieldElement;
 
 /**
  * This interface defines a visitor for the entries of a vector. Visitors

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/FieldVectorPreservingVisitor.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/FieldVectorPreservingVisitor.java b/src/main/java/org/apache/commons/math4/linear/FieldVectorPreservingVisitor.java
index bc09bda..9ad4384 100644
--- a/src/main/java/org/apache/commons/math4/linear/FieldVectorPreservingVisitor.java
+++ b/src/main/java/org/apache/commons/math4/linear/FieldVectorPreservingVisitor.java
@@ -14,9 +14,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
-import org.apache.commons.math3.FieldElement;
+import org.apache.commons.math4.FieldElement;
 
 /**
  * This interface defines a visitor for the entries of a vector. Visitors

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/HessenbergTransformer.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/HessenbergTransformer.java b/src/main/java/org/apache/commons/math4/linear/HessenbergTransformer.java
index 8fefc09..a63c0ab 100644
--- a/src/main/java/org/apache/commons/math4/linear/HessenbergTransformer.java
+++ b/src/main/java/org/apache/commons/math4/linear/HessenbergTransformer.java
@@ -15,10 +15,10 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
-import org.apache.commons.math3.util.FastMath;
-import org.apache.commons.math3.util.Precision;
+import org.apache.commons.math4.util.FastMath;
+import org.apache.commons.math4.util.Precision;
 
 /**
  * Class transforming a general real matrix to Hessenberg form.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/IllConditionedOperatorException.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/IllConditionedOperatorException.java b/src/main/java/org/apache/commons/math4/linear/IllConditionedOperatorException.java
index 3285f68..a90b3d1 100644
--- a/src/main/java/org/apache/commons/math4/linear/IllConditionedOperatorException.java
+++ b/src/main/java/org/apache/commons/math4/linear/IllConditionedOperatorException.java
@@ -14,10 +14,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
 
 /**
  * An exception to be thrown when the condition number of a

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/IterativeLinearSolver.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/IterativeLinearSolver.java b/src/main/java/org/apache/commons/math4/linear/IterativeLinearSolver.java
index 97bd8b7..877d48b 100644
--- a/src/main/java/org/apache/commons/math4/linear/IterativeLinearSolver.java
+++ b/src/main/java/org/apache/commons/math4/linear/IterativeLinearSolver.java
@@ -14,13 +14,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.MaxCountExceededException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.util.IterationManager;
-import org.apache.commons.math3.util.MathUtils;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.MaxCountExceededException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.util.IterationManager;
+import org.apache.commons.math4.util.MathUtils;
 
 /**
  * This abstract class defines an iterative solver for the linear system A
@@ -113,7 +113,7 @@ public abstract class IterativeLinearSolver {
      * inconsistent with {@code a}
      * @throws MaxCountExceededException at exhaustion of the iteration count,
      * unless a custom
-     * {@link org.apache.commons.math3.util.Incrementor.MaxCountExceededCallback callback}
+     * {@link org.apache.commons.math4.util.Incrementor.MaxCountExceededCallback callback}
      * has been set at construction of the {@link IterationManager}
      */
     public RealVector solve(final RealLinearOperator a, final RealVector b)
@@ -139,7 +139,7 @@ public abstract class IterativeLinearSolver {
      * dimensions inconsistent with {@code a}
      * @throws MaxCountExceededException at exhaustion of the iteration count,
      * unless a custom
-     * {@link org.apache.commons.math3.util.Incrementor.MaxCountExceededCallback callback}
+     * {@link org.apache.commons.math4.util.Incrementor.MaxCountExceededCallback callback}
      * has been set at construction of the {@link IterationManager}
      */
     public RealVector solve(RealLinearOperator a, RealVector b, RealVector x0)
@@ -164,7 +164,7 @@ public abstract class IterativeLinearSolver {
      * dimensions inconsistent with {@code a}
      * @throws MaxCountExceededException at exhaustion of the iteration count,
      * unless a custom
-     * {@link org.apache.commons.math3.util.Incrementor.MaxCountExceededCallback callback}
+     * {@link org.apache.commons.math4.util.Incrementor.MaxCountExceededCallback callback}
      * has been set at construction of the {@link IterationManager}
      */
     public abstract RealVector solveInPlace(RealLinearOperator a, RealVector b,

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/IterativeLinearSolverEvent.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/IterativeLinearSolverEvent.java b/src/main/java/org/apache/commons/math4/linear/IterativeLinearSolverEvent.java
index 780068c..94b47ef 100644
--- a/src/main/java/org/apache/commons/math4/linear/IterativeLinearSolverEvent.java
+++ b/src/main/java/org/apache/commons/math4/linear/IterativeLinearSolverEvent.java
@@ -14,10 +14,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
-import org.apache.commons.math3.util.IterationEvent;
-import org.apache.commons.math3.exception.MathUnsupportedOperationException;
+import org.apache.commons.math4.exception.MathUnsupportedOperationException;
+import org.apache.commons.math4.util.IterationEvent;
 
 /**
  * This is the base class for all events occurring during the iterations of a

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/JacobiPreconditioner.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/JacobiPreconditioner.java b/src/main/java/org/apache/commons/math4/linear/JacobiPreconditioner.java
index 1506fe5..63d70c3 100644
--- a/src/main/java/org/apache/commons/math4/linear/JacobiPreconditioner.java
+++ b/src/main/java/org/apache/commons/math4/linear/JacobiPreconditioner.java
@@ -14,10 +14,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
-import org.apache.commons.math3.analysis.function.Sqrt;
-import org.apache.commons.math3.util.MathArrays;
+import org.apache.commons.math4.analysis.function.Sqrt;
+import org.apache.commons.math4.util.MathArrays;
 
 /**
  * This class implements the standard Jacobi (diagonal) preconditioner. For a

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/LUDecomposition.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/LUDecomposition.java b/src/main/java/org/apache/commons/math4/linear/LUDecomposition.java
index 368bc30..6fbc57a 100644
--- a/src/main/java/org/apache/commons/math4/linear/LUDecomposition.java
+++ b/src/main/java/org/apache/commons/math4/linear/LUDecomposition.java
@@ -15,10 +15,10 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.util.FastMath;
 
 /**
  * Calculates the LUP-decomposition of a square matrix.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/MatrixDimensionMismatchException.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/MatrixDimensionMismatchException.java b/src/main/java/org/apache/commons/math4/linear/MatrixDimensionMismatchException.java
index effbf11..ff3928e 100644
--- a/src/main/java/org/apache/commons/math4/linear/MatrixDimensionMismatchException.java
+++ b/src/main/java/org/apache/commons/math4/linear/MatrixDimensionMismatchException.java
@@ -14,10 +14,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
-import org.apache.commons.math3.exception.MultiDimensionMismatchException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
+import org.apache.commons.math4.exception.MultiDimensionMismatchException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
 
 /**
  * Exception to be thrown when either the number of rows or the number of

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/MatrixUtils.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/MatrixUtils.java b/src/main/java/org/apache/commons/math4/linear/MatrixUtils.java
index 23c11e0..e95c4c8 100644
--- a/src/main/java/org/apache/commons/math4/linear/MatrixUtils.java
+++ b/src/main/java/org/apache/commons/math4/linear/MatrixUtils.java
@@ -15,29 +15,29 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
 import java.io.IOException;
 import java.io.ObjectInputStream;
 import java.io.ObjectOutputStream;
 import java.util.Arrays;
 
-import org.apache.commons.math3.Field;
-import org.apache.commons.math3.FieldElement;
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.MathArithmeticException;
-import org.apache.commons.math3.exception.NoDataException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.exception.NumberIsTooSmallException;
-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.fraction.BigFraction;
-import org.apache.commons.math3.fraction.Fraction;
-import org.apache.commons.math3.util.FastMath;
-import org.apache.commons.math3.util.MathArrays;
-import org.apache.commons.math3.util.MathUtils;
-import org.apache.commons.math3.util.Precision;
+import org.apache.commons.math4.Field;
+import org.apache.commons.math4.FieldElement;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.MathArithmeticException;
+import org.apache.commons.math4.exception.NoDataException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.exception.NumberIsTooSmallException;
+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.fraction.BigFraction;
+import org.apache.commons.math4.fraction.Fraction;
+import org.apache.commons.math4.util.FastMath;
+import org.apache.commons.math4.util.MathArrays;
+import org.apache.commons.math4.util.MathUtils;
+import org.apache.commons.math4.util.Precision;
 
 /**
  * A collection of static methods that operate on or return matrices.
@@ -116,7 +116,7 @@ public class MatrixUtils {
      *
      * @param data input array
      * @return  RealMatrix containing the values of the array
-     * @throws org.apache.commons.math3.exception.DimensionMismatchException
+     * @throws org.apache.commons.math4.exception.DimensionMismatchException
      * if {@code data} is not rectangular (not all rows have the same length).
      * @throws NoDataException if a row or column is empty.
      * @throws NullArgumentException if either {@code data} or {@code data[0]}
@@ -146,7 +146,7 @@ public class MatrixUtils {
      * @param <T> the type of the field elements
      * @param data input array
      * @return a matrix containing the values of the array.
-     * @throws org.apache.commons.math3.exception.DimensionMismatchException
+     * @throws org.apache.commons.math4.exception.DimensionMismatchException
      * if {@code data} is not rectangular (not all rows have the same length).
      * @throws NoDataException if a row or column is empty.
      * @throws NullArgumentException if either {@code data} or {@code data[0]}

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/NonPositiveDefiniteMatrixException.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/NonPositiveDefiniteMatrixException.java b/src/main/java/org/apache/commons/math4/linear/NonPositiveDefiniteMatrixException.java
index a0fbf17..fffacc6 100644
--- a/src/main/java/org/apache/commons/math4/linear/NonPositiveDefiniteMatrixException.java
+++ b/src/main/java/org/apache/commons/math4/linear/NonPositiveDefiniteMatrixException.java
@@ -14,11 +14,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
-import org.apache.commons.math3.exception.NumberIsTooSmallException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.exception.util.ExceptionContext;
+import org.apache.commons.math4.exception.NumberIsTooSmallException;
+import org.apache.commons.math4.exception.util.ExceptionContext;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
 
 /**
  * Exception to be thrown when a positive definite matrix is expected.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/NonPositiveDefiniteOperatorException.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/NonPositiveDefiniteOperatorException.java b/src/main/java/org/apache/commons/math4/linear/NonPositiveDefiniteOperatorException.java
index f322218..4390d47 100644
--- a/src/main/java/org/apache/commons/math4/linear/NonPositiveDefiniteOperatorException.java
+++ b/src/main/java/org/apache/commons/math4/linear/NonPositiveDefiniteOperatorException.java
@@ -15,10 +15,10 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
 
 /**
  * Exception to be thrown when a symmetric, definite positive

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/NonSelfAdjointOperatorException.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/NonSelfAdjointOperatorException.java b/src/main/java/org/apache/commons/math4/linear/NonSelfAdjointOperatorException.java
index ad436e2..4f9cc0d 100644
--- a/src/main/java/org/apache/commons/math4/linear/NonSelfAdjointOperatorException.java
+++ b/src/main/java/org/apache/commons/math4/linear/NonSelfAdjointOperatorException.java
@@ -15,10 +15,10 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
 
 /**
  * Exception to be thrown when a self-adjoint {@link RealLinearOperator}

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/NonSquareMatrixException.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/NonSquareMatrixException.java b/src/main/java/org/apache/commons/math4/linear/NonSquareMatrixException.java
index a6679bf..6354391 100644
--- a/src/main/java/org/apache/commons/math4/linear/NonSquareMatrixException.java
+++ b/src/main/java/org/apache/commons/math4/linear/NonSquareMatrixException.java
@@ -14,10 +14,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
 
 /**
  * Exception to be thrown when a square matrix is expected.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/NonSquareOperatorException.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/NonSquareOperatorException.java b/src/main/java/org/apache/commons/math4/linear/NonSquareOperatorException.java
index 7915b58..e325cf4 100644
--- a/src/main/java/org/apache/commons/math4/linear/NonSquareOperatorException.java
+++ b/src/main/java/org/apache/commons/math4/linear/NonSquareOperatorException.java
@@ -14,10 +14,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
 
 /**
  * Exception to be thrown when a square linear operator is expected.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/NonSymmetricMatrixException.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/NonSymmetricMatrixException.java b/src/main/java/org/apache/commons/math4/linear/NonSymmetricMatrixException.java
index f14eec9..23280e9 100644
--- a/src/main/java/org/apache/commons/math4/linear/NonSymmetricMatrixException.java
+++ b/src/main/java/org/apache/commons/math4/linear/NonSymmetricMatrixException.java
@@ -14,10 +14,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
 
 /**
  * Exception to be thrown when a symmetric matrix is expected.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/OpenMapRealMatrix.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/OpenMapRealMatrix.java b/src/main/java/org/apache/commons/math4/linear/OpenMapRealMatrix.java
index c26da52..a8382eb 100644
--- a/src/main/java/org/apache/commons/math4/linear/OpenMapRealMatrix.java
+++ b/src/main/java/org/apache/commons/math4/linear/OpenMapRealMatrix.java
@@ -15,15 +15,15 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
 import java.io.Serializable;
 
-import org.apache.commons.math3.exception.DimensionMismatchException;
-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.util.OpenIntToDoubleHashMap;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+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.util.OpenIntToDoubleHashMap;
 
 /**
  * Sparse matrix implementation based on an open addressed map.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/OpenMapRealVector.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/OpenMapRealVector.java b/src/main/java/org/apache/commons/math4/linear/OpenMapRealVector.java
index bc70cae..4619835 100644
--- a/src/main/java/org/apache/commons/math4/linear/OpenMapRealVector.java
+++ b/src/main/java/org/apache/commons/math4/linear/OpenMapRealVector.java
@@ -14,18 +14,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
 import java.io.Serializable;
 
-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.OutOfRangeException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.util.FastMath;
-import org.apache.commons.math3.util.OpenIntToDoubleHashMap;
-import org.apache.commons.math3.util.OpenIntToDoubleHashMap.Iterator;
+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.OutOfRangeException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.util.FastMath;
+import org.apache.commons.math4.util.OpenIntToDoubleHashMap;
+import org.apache.commons.math4.util.OpenIntToDoubleHashMap.Iterator;
 
 /**
  * This class implements the {@link RealVector} interface with a

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/PreconditionedIterativeLinearSolver.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/PreconditionedIterativeLinearSolver.java b/src/main/java/org/apache/commons/math4/linear/PreconditionedIterativeLinearSolver.java
index 7bc36f0..4110a0c 100644
--- a/src/main/java/org/apache/commons/math4/linear/PreconditionedIterativeLinearSolver.java
+++ b/src/main/java/org/apache/commons/math4/linear/PreconditionedIterativeLinearSolver.java
@@ -14,13 +14,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.MaxCountExceededException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.util.IterationManager;
-import org.apache.commons.math3.util.MathUtils;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.MaxCountExceededException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.util.IterationManager;
+import org.apache.commons.math4.util.MathUtils;
 
 /**
  * <p>
@@ -86,7 +86,7 @@ public abstract class PreconditionedIterativeLinearSolver
      * {@code x0} have dimensions inconsistent with {@code a}
      * @throws MaxCountExceededException at exhaustion of the iteration count,
      * unless a custom
-     * {@link org.apache.commons.math3.util.Incrementor.MaxCountExceededCallback callback}
+     * {@link org.apache.commons.math4.util.Incrementor.MaxCountExceededCallback callback}
      * has been set at construction of the {@link IterationManager}
      */
     public RealVector solve(final RealLinearOperator a,
@@ -167,7 +167,7 @@ public abstract class PreconditionedIterativeLinearSolver
      * dimensions inconsistent with {@code a}
      * @throws MaxCountExceededException at exhaustion of the iteration count,
      * unless a custom
-     * {@link org.apache.commons.math3.util.Incrementor.MaxCountExceededCallback callback}
+     * {@link org.apache.commons.math4.util.Incrementor.MaxCountExceededCallback callback}
      * has been set at construction of the {@link IterationManager}
      */
     public RealVector solve(RealLinearOperator a, RealLinearOperator m,
@@ -195,7 +195,7 @@ public abstract class PreconditionedIterativeLinearSolver
      * {@code x0} have dimensions inconsistent with {@code a}
      * @throws MaxCountExceededException at exhaustion of the iteration count,
      * unless a custom
-     * {@link org.apache.commons.math3.util.Incrementor.MaxCountExceededCallback callback}
+     * {@link org.apache.commons.math4.util.Incrementor.MaxCountExceededCallback callback}
      * has been set at construction of the {@link IterationManager}
      */
     public abstract RealVector solveInPlace(RealLinearOperator a,

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/QRDecomposition.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/QRDecomposition.java b/src/main/java/org/apache/commons/math4/linear/QRDecomposition.java
index 6db821a..02ac7e9 100644
--- a/src/main/java/org/apache/commons/math4/linear/QRDecomposition.java
+++ b/src/main/java/org/apache/commons/math4/linear/QRDecomposition.java
@@ -15,12 +15,12 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
 import java.util.Arrays;
 
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.util.FastMath;
 
 
 /**

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/RRQRDecomposition.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/RRQRDecomposition.java b/src/main/java/org/apache/commons/math4/linear/RRQRDecomposition.java
index 33c3b44..857cce0 100644
--- a/src/main/java/org/apache/commons/math4/linear/RRQRDecomposition.java
+++ b/src/main/java/org/apache/commons/math4/linear/RRQRDecomposition.java
@@ -15,9 +15,9 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.util.FastMath;
 
 
 /**

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/RealLinearOperator.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/RealLinearOperator.java b/src/main/java/org/apache/commons/math4/linear/RealLinearOperator.java
index 210984b..06ff43c 100644
--- a/src/main/java/org/apache/commons/math4/linear/RealLinearOperator.java
+++ b/src/main/java/org/apache/commons/math4/linear/RealLinearOperator.java
@@ -15,9 +15,9 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
-import org.apache.commons.math3.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.DimensionMismatchException;
 
 /**
  * This class defines a linear operator operating on real ({@code double})
@@ -84,7 +84,7 @@ public abstract class RealLinearOperator {
      * @param x the vector to operate on
      * @return the product of the transpose of {@code this} instance with
      * {@code x}
-     * @throws org.apache.commons.math3.exception.DimensionMismatchException
+     * @throws org.apache.commons.math4.exception.DimensionMismatchException
      * if the row dimension does not match the size of {@code x}
      * @throws UnsupportedOperationException if this operation is not supported
      * by {@code this} operator

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/RealMatrix.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/RealMatrix.java b/src/main/java/org/apache/commons/math4/linear/RealMatrix.java
index 94ed89e..1cafe3e 100644
--- a/src/main/java/org/apache/commons/math4/linear/RealMatrix.java
+++ b/src/main/java/org/apache/commons/math4/linear/RealMatrix.java
@@ -15,15 +15,15 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.linear;
-
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.NoDataException;
-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.NumberIsTooSmallException;
-import org.apache.commons.math3.exception.OutOfRangeException;
+package org.apache.commons.math4.linear;
+
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.NoDataException;
+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.NumberIsTooSmallException;
+import org.apache.commons.math4.exception.OutOfRangeException;
 
 /**
  * Interface defining a real-valued matrix with basic algebraic operations.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/RealMatrixChangingVisitor.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/RealMatrixChangingVisitor.java b/src/main/java/org/apache/commons/math4/linear/RealMatrixChangingVisitor.java
index eea8aa2..7a672ef 100644
--- a/src/main/java/org/apache/commons/math4/linear/RealMatrixChangingVisitor.java
+++ b/src/main/java/org/apache/commons/math4/linear/RealMatrixChangingVisitor.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
 /**
  * Interface defining a visitor for matrix entries.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/RealMatrixFormat.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/RealMatrixFormat.java b/src/main/java/org/apache/commons/math4/linear/RealMatrixFormat.java
index 446f33b..8601490 100644
--- a/src/main/java/org/apache/commons/math4/linear/RealMatrixFormat.java
+++ b/src/main/java/org/apache/commons/math4/linear/RealMatrixFormat.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
 import java.text.FieldPosition;
 import java.text.NumberFormat;
@@ -24,8 +24,8 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.Locale;
 
-import org.apache.commons.math3.exception.MathParseException;
-import org.apache.commons.math3.util.CompositeFormat;
+import org.apache.commons.math4.exception.MathParseException;
+import org.apache.commons.math4.util.CompositeFormat;
 
 /**
  * Formats a {@code nxm} matrix in components list format

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/RealMatrixPreservingVisitor.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/RealMatrixPreservingVisitor.java b/src/main/java/org/apache/commons/math4/linear/RealMatrixPreservingVisitor.java
index 4c580a0..17195d1 100644
--- a/src/main/java/org/apache/commons/math4/linear/RealMatrixPreservingVisitor.java
+++ b/src/main/java/org/apache/commons/math4/linear/RealMatrixPreservingVisitor.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
 /**
  * Interface defining a visitor for matrix entries.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/RealVector.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/RealVector.java b/src/main/java/org/apache/commons/math4/linear/RealVector.java
index 98bf4a0..2d0a1b9 100644
--- a/src/main/java/org/apache/commons/math4/linear/RealVector.java
+++ b/src/main/java/org/apache/commons/math4/linear/RealVector.java
@@ -15,24 +15,24 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
 import java.util.Iterator;
 import java.util.NoSuchElementException;
 
-import org.apache.commons.math3.exception.MathUnsupportedOperationException;
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.NotPositiveException;
-import org.apache.commons.math3.exception.NumberIsTooSmallException;
-import org.apache.commons.math3.exception.OutOfRangeException;
-import org.apache.commons.math3.exception.MathArithmeticException;
-import org.apache.commons.math3.analysis.FunctionUtils;
-import org.apache.commons.math3.analysis.function.Add;
-import org.apache.commons.math3.analysis.function.Multiply;
-import org.apache.commons.math3.analysis.function.Divide;
-import org.apache.commons.math3.analysis.UnivariateFunction;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.analysis.FunctionUtils;
+import org.apache.commons.math4.analysis.UnivariateFunction;
+import org.apache.commons.math4.analysis.function.Add;
+import org.apache.commons.math4.analysis.function.Divide;
+import org.apache.commons.math4.analysis.function.Multiply;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.MathArithmeticException;
+import org.apache.commons.math4.exception.MathUnsupportedOperationException;
+import org.apache.commons.math4.exception.NotPositiveException;
+import org.apache.commons.math4.exception.NumberIsTooSmallException;
+import org.apache.commons.math4.exception.OutOfRangeException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.util.FastMath;
 
 /**
  * Class defining a real-valued vector with basic algebraic operations.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/RealVectorChangingVisitor.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/RealVectorChangingVisitor.java b/src/main/java/org/apache/commons/math4/linear/RealVectorChangingVisitor.java
index 27536da..2aa9d0b 100644
--- a/src/main/java/org/apache/commons/math4/linear/RealVectorChangingVisitor.java
+++ b/src/main/java/org/apache/commons/math4/linear/RealVectorChangingVisitor.java
@@ -14,7 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
 /**
  * This interface defines a visitor for the entries of a vector. Visitors

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/RealVectorFormat.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/RealVectorFormat.java b/src/main/java/org/apache/commons/math4/linear/RealVectorFormat.java
index 1169188..49de55d 100644
--- a/src/main/java/org/apache/commons/math4/linear/RealVectorFormat.java
+++ b/src/main/java/org/apache/commons/math4/linear/RealVectorFormat.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
 import java.text.FieldPosition;
 import java.text.NumberFormat;
@@ -24,8 +24,8 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.Locale;
 
-import org.apache.commons.math3.exception.MathParseException;
-import org.apache.commons.math3.util.CompositeFormat;
+import org.apache.commons.math4.exception.MathParseException;
+import org.apache.commons.math4.util.CompositeFormat;
 
 /**
  * Formats a vector in components list format "{v0; v1; ...; vk-1}".

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/RealVectorPreservingVisitor.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/RealVectorPreservingVisitor.java b/src/main/java/org/apache/commons/math4/linear/RealVectorPreservingVisitor.java
index 8e32cb2..60d5f9d 100644
--- a/src/main/java/org/apache/commons/math4/linear/RealVectorPreservingVisitor.java
+++ b/src/main/java/org/apache/commons/math4/linear/RealVectorPreservingVisitor.java
@@ -14,7 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
 /**
  * This interface defines a visitor for the entries of a vector. Visitors

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/RectangularCholeskyDecomposition.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/RectangularCholeskyDecomposition.java b/src/main/java/org/apache/commons/math4/linear/RectangularCholeskyDecomposition.java
index 47394b3..b32a5da 100644
--- a/src/main/java/org/apache/commons/math4/linear/RectangularCholeskyDecomposition.java
+++ b/src/main/java/org/apache/commons/math4/linear/RectangularCholeskyDecomposition.java
@@ -15,9 +15,9 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.util.FastMath;
 
 /**
  * Calculates the rectangular Cholesky decomposition of a matrix.
@@ -29,7 +29,7 @@ import org.apache.commons.math3.util.FastMath;
  * is that rows/columns may be permuted (hence the rectangular shape instead
  * of the traditional triangular shape) and there is a threshold to ignore
  * small diagonal elements. This is used for example to generate {@link
- * org.apache.commons.math3.random.CorrelatedRandomVectorGenerator correlated
+ * org.apache.commons.math4.random.CorrelatedRandomVectorGenerator correlated
  * random n-dimensions vectors} in a p-dimension subspace (p < n).
  * In other words, it allows generating random vectors from a covariance
  * matrix that is only positive semidefinite, and not positive definite.</p>

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/SchurTransformer.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/SchurTransformer.java b/src/main/java/org/apache/commons/math4/linear/SchurTransformer.java
index cd54ca4..5ad0757 100644
--- a/src/main/java/org/apache/commons/math4/linear/SchurTransformer.java
+++ b/src/main/java/org/apache/commons/math4/linear/SchurTransformer.java
@@ -15,12 +15,12 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
-import org.apache.commons.math3.exception.MaxCountExceededException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.util.FastMath;
-import org.apache.commons.math3.util.Precision;
+import org.apache.commons.math4.exception.MaxCountExceededException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.util.FastMath;
+import org.apache.commons.math4.util.Precision;
 
 /**
  * Class transforming a general real matrix to Schur form.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/SingularMatrixException.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/SingularMatrixException.java b/src/main/java/org/apache/commons/math4/linear/SingularMatrixException.java
index 935d8f3..f1548ad 100644
--- a/src/main/java/org/apache/commons/math4/linear/SingularMatrixException.java
+++ b/src/main/java/org/apache/commons/math4/linear/SingularMatrixException.java
@@ -14,10 +14,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
 
 /**
  * Exception to be thrown when a non-singular matrix is expected.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/SingularOperatorException.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/SingularOperatorException.java b/src/main/java/org/apache/commons/math4/linear/SingularOperatorException.java
index 32fb1da..6352d7f 100644
--- a/src/main/java/org/apache/commons/math4/linear/SingularOperatorException.java
+++ b/src/main/java/org/apache/commons/math4/linear/SingularOperatorException.java
@@ -14,10 +14,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
 
 /**
  * Exception to be thrown when trying to invert a singular operator.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/SingularValueDecomposition.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/SingularValueDecomposition.java b/src/main/java/org/apache/commons/math4/linear/SingularValueDecomposition.java
index 89c0afd..ab7e74b 100644
--- a/src/main/java/org/apache/commons/math4/linear/SingularValueDecomposition.java
+++ b/src/main/java/org/apache/commons/math4/linear/SingularValueDecomposition.java
@@ -14,12 +14,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
-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.math3.util.Precision;
+import org.apache.commons.math4.exception.NumberIsTooLargeException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.util.FastMath;
+import org.apache.commons.math4.util.Precision;
 
 /**
  * Calculates the compact Singular Value Decomposition of a matrix.
@@ -696,7 +696,7 @@ public class SingularValueDecomposition {
          * </p>
          * @param b Right-hand side of the equation A &times; X = B
          * @return a vector X that minimizes the two norm of A &times; X - B
-         * @throws org.apache.commons.math3.exception.DimensionMismatchException
+         * @throws org.apache.commons.math4.exception.DimensionMismatchException
          * if the matrices dimensions do not match.
          */
         public RealVector solve(final RealVector b) {
@@ -712,7 +712,7 @@ public class SingularValueDecomposition {
          *
          * @param b Right-hand side of the equation A &times; X = B
          * @return a matrix X that minimizes the two norm of A &times; X - B
-         * @throws org.apache.commons.math3.exception.DimensionMismatchException
+         * @throws org.apache.commons.math4.exception.DimensionMismatchException
          * if the matrices dimensions do not match.
          */
         public RealMatrix solve(final RealMatrix b) {

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/SparseFieldMatrix.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/SparseFieldMatrix.java b/src/main/java/org/apache/commons/math4/linear/SparseFieldMatrix.java
index 853b0c7..b48970c 100644
--- a/src/main/java/org/apache/commons/math4/linear/SparseFieldMatrix.java
+++ b/src/main/java/org/apache/commons/math4/linear/SparseFieldMatrix.java
@@ -14,11 +14,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
-import org.apache.commons.math3.Field;
-import org.apache.commons.math3.FieldElement;
-import org.apache.commons.math3.util.OpenIntToFieldHashMap;
+import org.apache.commons.math4.Field;
+import org.apache.commons.math4.FieldElement;
+import org.apache.commons.math4.util.OpenIntToFieldHashMap;
 
 /**
  * Sparse matrix implementation based on an open addressed map.
@@ -61,7 +61,7 @@ public class SparseFieldMatrix<T extends FieldElement<T>> extends AbstractFieldM
      * @param field Field to which the elements belong.
      * @param rowDimension Number of rows in the new matrix.
      * @param columnDimension Number of columns in the new matrix.
-     * @throws org.apache.commons.math3.exception.NotStrictlyPositiveException
+     * @throws org.apache.commons.math4.exception.NotStrictlyPositiveException
      * if row or column dimension is not positive.
      */
     public SparseFieldMatrix(final Field<T> field,

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/SparseFieldVector.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/SparseFieldVector.java b/src/main/java/org/apache/commons/math4/linear/SparseFieldVector.java
index 8f98e50..09bfb37 100644
--- a/src/main/java/org/apache/commons/math4/linear/SparseFieldVector.java
+++ b/src/main/java/org/apache/commons/math4/linear/SparseFieldVector.java
@@ -14,22 +14,22 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
 import java.io.Serializable;
 
-import org.apache.commons.math3.Field;
-import org.apache.commons.math3.FieldElement;
-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.NullArgumentException;
-import org.apache.commons.math3.exception.NumberIsTooSmallException;
-import org.apache.commons.math3.exception.OutOfRangeException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.util.MathArrays;
-import org.apache.commons.math3.util.MathUtils;
-import org.apache.commons.math3.util.OpenIntToFieldHashMap;
+import org.apache.commons.math4.Field;
+import org.apache.commons.math4.FieldElement;
+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.NullArgumentException;
+import org.apache.commons.math4.exception.NumberIsTooSmallException;
+import org.apache.commons.math4.exception.OutOfRangeException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.util.MathArrays;
+import org.apache.commons.math4.util.MathUtils;
+import org.apache.commons.math4.util.OpenIntToFieldHashMap;
 
 /**
  * This class implements the {@link FieldVector} interface with a {@link OpenIntToFieldHashMap} backing store.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/SparseRealMatrix.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/SparseRealMatrix.java b/src/main/java/org/apache/commons/math4/linear/SparseRealMatrix.java
index df61c9b..75a2ecb 100644
--- a/src/main/java/org/apache/commons/math4/linear/SparseRealMatrix.java
+++ b/src/main/java/org/apache/commons/math4/linear/SparseRealMatrix.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
 /**
  * Marker interface for {@link RealMatrix} implementations that require sparse backing storage

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/SparseRealVector.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/SparseRealVector.java b/src/main/java/org/apache/commons/math4/linear/SparseRealVector.java
index f005bc8..05ed3ef 100644
--- a/src/main/java/org/apache/commons/math4/linear/SparseRealVector.java
+++ b/src/main/java/org/apache/commons/math4/linear/SparseRealVector.java
@@ -14,7 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
 /**
  * Marker class for RealVectors that require sparse backing storage

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/SymmLQ.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/SymmLQ.java b/src/main/java/org/apache/commons/math4/linear/SymmLQ.java
index e529a6a..990bcc5 100644
--- a/src/main/java/org/apache/commons/math4/linear/SymmLQ.java
+++ b/src/main/java/org/apache/commons/math4/linear/SymmLQ.java
@@ -14,15 +14,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.MaxCountExceededException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.exception.util.ExceptionContext;
-import org.apache.commons.math3.util.FastMath;
-import org.apache.commons.math3.util.IterationManager;
-import org.apache.commons.math3.util.MathUtils;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.MaxCountExceededException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.exception.util.ExceptionContext;
+import org.apache.commons.math4.util.FastMath;
+import org.apache.commons.math4.util.IterationManager;
+import org.apache.commons.math4.util.MathUtils;
 
 /**
  * <p>
@@ -954,7 +954,7 @@ public class SymmLQ
      * inconsistent with {@code a}
      * @throws MaxCountExceededException at exhaustion of the iteration count,
      * unless a custom
-     * {@link org.apache.commons.math3.util.Incrementor.MaxCountExceededCallback callback}
+     * {@link org.apache.commons.math4.util.Incrementor.MaxCountExceededCallback callback}
      * has been set at construction of the {@link IterationManager}
      * @throws NonSelfAdjointOperatorException if {@link #getCheck()} is
      * {@code true}, and {@code a} or {@code m} is not self-adjoint
@@ -1042,7 +1042,7 @@ public class SymmLQ
      * inconsistent with {@code a}
      * @throws MaxCountExceededException at exhaustion of the iteration count,
      * unless a custom
-     * {@link org.apache.commons.math3.util.Incrementor.MaxCountExceededCallback callback}
+     * {@link org.apache.commons.math4.util.Incrementor.MaxCountExceededCallback callback}
      * has been set at construction of the {@link IterationManager}
      * @throws NonSelfAdjointOperatorException if {@link #getCheck()} is
      * {@code true}, and {@code a} is not self-adjoint
@@ -1132,7 +1132,7 @@ public class SymmLQ
      * have dimensions inconsistent with {@code a}.
      * @throws MaxCountExceededException at exhaustion of the iteration count,
      * unless a custom
-     * {@link org.apache.commons.math3.util.Incrementor.MaxCountExceededCallback callback}
+     * {@link org.apache.commons.math4.util.Incrementor.MaxCountExceededCallback callback}
      * has been set at construction of the {@link IterationManager}
      * @throws NonSelfAdjointOperatorException if {@link #getCheck()} is
      * {@code true}, and {@code a} or {@code m} is not self-adjoint

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/TriDiagonalTransformer.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/TriDiagonalTransformer.java b/src/main/java/org/apache/commons/math4/linear/TriDiagonalTransformer.java
index 9d2f986..9e73b29 100644
--- a/src/main/java/org/apache/commons/math4/linear/TriDiagonalTransformer.java
+++ b/src/main/java/org/apache/commons/math4/linear/TriDiagonalTransformer.java
@@ -15,11 +15,11 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;
 
 import java.util.Arrays;
 
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.util.FastMath;
 
 
 /**

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/linear/package-info.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/linear/package-info.java b/src/main/java/org/apache/commons/math4/linear/package-info.java
index 4c989b8..a1a091e 100644
--- a/src/main/java/org/apache/commons/math4/linear/package-info.java
+++ b/src/main/java/org/apache/commons/math4/linear/package-info.java
@@ -17,4 +17,4 @@
 /**
  * Linear algebra support.
  */
-package org.apache.commons.math3.linear;
+package org.apache.commons.math4.linear;

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/ml/clustering/CentroidCluster.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/ml/clustering/CentroidCluster.java b/src/main/java/org/apache/commons/math4/ml/clustering/CentroidCluster.java
index 5cfc7bc..ba08e23 100644
--- a/src/main/java/org/apache/commons/math4/ml/clustering/CentroidCluster.java
+++ b/src/main/java/org/apache/commons/math4/ml/clustering/CentroidCluster.java
@@ -14,7 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.ml.clustering;
+package org.apache.commons.math4.ml.clustering;
 
 /**
  * A Cluster used by centroid-based clustering algorithms.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/ml/clustering/Cluster.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/ml/clustering/Cluster.java b/src/main/java/org/apache/commons/math4/ml/clustering/Cluster.java
index fa6df94..bd264bb 100644
--- a/src/main/java/org/apache/commons/math4/ml/clustering/Cluster.java
+++ b/src/main/java/org/apache/commons/math4/ml/clustering/Cluster.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.ml.clustering;
+package org.apache.commons.math4.ml.clustering;
 
 import java.io.Serializable;
 import java.util.ArrayList;

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/ml/clustering/Clusterable.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/ml/clustering/Clusterable.java b/src/main/java/org/apache/commons/math4/ml/clustering/Clusterable.java
index e712eb7..afafdd1 100644
--- a/src/main/java/org/apache/commons/math4/ml/clustering/Clusterable.java
+++ b/src/main/java/org/apache/commons/math4/ml/clustering/Clusterable.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.ml.clustering;
+package org.apache.commons.math4.ml.clustering;
 
 /**
  * Interface for n-dimensional points that can be clustered together.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/ml/clustering/Clusterer.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/ml/clustering/Clusterer.java b/src/main/java/org/apache/commons/math4/ml/clustering/Clusterer.java
index 30e38c6..0954264 100644
--- a/src/main/java/org/apache/commons/math4/ml/clustering/Clusterer.java
+++ b/src/main/java/org/apache/commons/math4/ml/clustering/Clusterer.java
@@ -14,14 +14,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.ml.clustering;
+package org.apache.commons.math4.ml.clustering;
 
 import java.util.Collection;
 import java.util.List;
 
-import org.apache.commons.math3.exception.ConvergenceException;
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.ml.distance.DistanceMeasure;
+import org.apache.commons.math4.exception.ConvergenceException;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.ml.distance.DistanceMeasure;
 
 /**
  * Base class for clustering algorithms.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/ml/clustering/DBSCANClusterer.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/ml/clustering/DBSCANClusterer.java b/src/main/java/org/apache/commons/math4/ml/clustering/DBSCANClusterer.java
index ce3d5cd..1223be8 100644
--- a/src/main/java/org/apache/commons/math4/ml/clustering/DBSCANClusterer.java
+++ b/src/main/java/org/apache/commons/math4/ml/clustering/DBSCANClusterer.java
@@ -14,7 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.ml.clustering;
+package org.apache.commons.math4.ml.clustering;
 
 import java.util.ArrayList;
 import java.util.Collection;
@@ -24,11 +24,11 @@ import java.util.List;
 import java.util.Map;
 import java.util.Set;
 
-import org.apache.commons.math3.exception.NotPositiveException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.ml.distance.DistanceMeasure;
-import org.apache.commons.math3.ml.distance.EuclideanDistance;
-import org.apache.commons.math3.util.MathUtils;
+import org.apache.commons.math4.exception.NotPositiveException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.ml.distance.DistanceMeasure;
+import org.apache.commons.math4.ml.distance.EuclideanDistance;
+import org.apache.commons.math4.util.MathUtils;
 
 /**
  * DBSCAN (density-based spatial clustering of applications with noise) algorithm.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/ml/clustering/DoublePoint.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/ml/clustering/DoublePoint.java b/src/main/java/org/apache/commons/math4/ml/clustering/DoublePoint.java
index 4fb31f7..c1b7f41 100644
--- a/src/main/java/org/apache/commons/math4/ml/clustering/DoublePoint.java
+++ b/src/main/java/org/apache/commons/math4/ml/clustering/DoublePoint.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.ml.clustering;
+package org.apache.commons.math4.ml.clustering;
 
 import java.io.Serializable;
 import java.util.Arrays;

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/ml/clustering/FuzzyKMeansClusterer.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/ml/clustering/FuzzyKMeansClusterer.java b/src/main/java/org/apache/commons/math4/ml/clustering/FuzzyKMeansClusterer.java
index 5f89934..e57697f 100644
--- a/src/main/java/org/apache/commons/math4/ml/clustering/FuzzyKMeansClusterer.java
+++ b/src/main/java/org/apache/commons/math4/ml/clustering/FuzzyKMeansClusterer.java
@@ -14,25 +14,25 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.ml.clustering;
+package org.apache.commons.math4.ml.clustering;
 
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.List;
 
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.MathIllegalStateException;
-import org.apache.commons.math3.exception.NumberIsTooSmallException;
-import org.apache.commons.math3.linear.MatrixUtils;
-import org.apache.commons.math3.linear.RealMatrix;
-import org.apache.commons.math3.ml.distance.DistanceMeasure;
-import org.apache.commons.math3.ml.distance.EuclideanDistance;
-import org.apache.commons.math3.random.JDKRandomGenerator;
-import org.apache.commons.math3.random.RandomGenerator;
-import org.apache.commons.math3.util.FastMath;
-import org.apache.commons.math3.util.MathArrays;
-import org.apache.commons.math3.util.MathUtils;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.MathIllegalStateException;
+import org.apache.commons.math4.exception.NumberIsTooSmallException;
+import org.apache.commons.math4.linear.MatrixUtils;
+import org.apache.commons.math4.linear.RealMatrix;
+import org.apache.commons.math4.ml.distance.DistanceMeasure;
+import org.apache.commons.math4.ml.distance.EuclideanDistance;
+import org.apache.commons.math4.random.JDKRandomGenerator;
+import org.apache.commons.math4.random.RandomGenerator;
+import org.apache.commons.math4.util.FastMath;
+import org.apache.commons.math4.util.MathArrays;
+import org.apache.commons.math4.util.MathUtils;
 
 /**
  * Fuzzy K-Means clustering algorithm.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/ml/clustering/KMeansPlusPlusClusterer.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/ml/clustering/KMeansPlusPlusClusterer.java b/src/main/java/org/apache/commons/math4/ml/clustering/KMeansPlusPlusClusterer.java
index 2e68c2d..14e9a89 100644
--- a/src/main/java/org/apache/commons/math4/ml/clustering/KMeansPlusPlusClusterer.java
+++ b/src/main/java/org/apache/commons/math4/ml/clustering/KMeansPlusPlusClusterer.java
@@ -15,23 +15,23 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.ml.clustering;
+package org.apache.commons.math4.ml.clustering;
 
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.List;
 
-import org.apache.commons.math3.exception.ConvergenceException;
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.NumberIsTooSmallException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.ml.distance.DistanceMeasure;
-import org.apache.commons.math3.ml.distance.EuclideanDistance;
-import org.apache.commons.math3.random.JDKRandomGenerator;
-import org.apache.commons.math3.random.RandomGenerator;
-import org.apache.commons.math3.stat.descriptive.moment.Variance;
-import org.apache.commons.math3.util.MathUtils;
+import org.apache.commons.math4.exception.ConvergenceException;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.NumberIsTooSmallException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.ml.distance.DistanceMeasure;
+import org.apache.commons.math4.ml.distance.EuclideanDistance;
+import org.apache.commons.math4.random.JDKRandomGenerator;
+import org.apache.commons.math4.random.RandomGenerator;
+import org.apache.commons.math4.stat.descriptive.moment.Variance;
+import org.apache.commons.math4.util.MathUtils;
 
 /**
  * Clustering algorithm based on David Arthur and Sergei Vassilvitski k-means++ algorithm.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/ml/clustering/MultiKMeansPlusPlusClusterer.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/ml/clustering/MultiKMeansPlusPlusClusterer.java b/src/main/java/org/apache/commons/math4/ml/clustering/MultiKMeansPlusPlusClusterer.java
index 796fc7a..61606c8 100644
--- a/src/main/java/org/apache/commons/math4/ml/clustering/MultiKMeansPlusPlusClusterer.java
+++ b/src/main/java/org/apache/commons/math4/ml/clustering/MultiKMeansPlusPlusClusterer.java
@@ -15,15 +15,15 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.ml.clustering;
+package org.apache.commons.math4.ml.clustering;
 
 import java.util.Collection;
 import java.util.List;
 
-import org.apache.commons.math3.exception.ConvergenceException;
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.ml.clustering.evaluation.ClusterEvaluator;
-import org.apache.commons.math3.ml.clustering.evaluation.SumOfClusterVariances;
+import org.apache.commons.math4.exception.ConvergenceException;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.ml.clustering.evaluation.ClusterEvaluator;
+import org.apache.commons.math4.ml.clustering.evaluation.SumOfClusterVariances;
 
 /**
  * A wrapper around a k-means++ clustering algorithm which performs multiple trials

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/ml/clustering/evaluation/ClusterEvaluator.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/ml/clustering/evaluation/ClusterEvaluator.java b/src/main/java/org/apache/commons/math4/ml/clustering/evaluation/ClusterEvaluator.java
index 2bb8ba3..5f364c0 100644
--- a/src/main/java/org/apache/commons/math4/ml/clustering/evaluation/ClusterEvaluator.java
+++ b/src/main/java/org/apache/commons/math4/ml/clustering/evaluation/ClusterEvaluator.java
@@ -15,16 +15,16 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.ml.clustering.evaluation;
+package org.apache.commons.math4.ml.clustering.evaluation;
 
 import java.util.List;
 
-import org.apache.commons.math3.ml.clustering.CentroidCluster;
-import org.apache.commons.math3.ml.clustering.Cluster;
-import org.apache.commons.math3.ml.clustering.Clusterable;
-import org.apache.commons.math3.ml.clustering.DoublePoint;
-import org.apache.commons.math3.ml.distance.DistanceMeasure;
-import org.apache.commons.math3.ml.distance.EuclideanDistance;
+import org.apache.commons.math4.ml.clustering.CentroidCluster;
+import org.apache.commons.math4.ml.clustering.Cluster;
+import org.apache.commons.math4.ml.clustering.Clusterable;
+import org.apache.commons.math4.ml.clustering.DoublePoint;
+import org.apache.commons.math4.ml.distance.DistanceMeasure;
+import org.apache.commons.math4.ml.distance.EuclideanDistance;
 
 /**
  * Base class for cluster evaluation methods.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/ml/clustering/evaluation/SumOfClusterVariances.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/ml/clustering/evaluation/SumOfClusterVariances.java b/src/main/java/org/apache/commons/math4/ml/clustering/evaluation/SumOfClusterVariances.java
index 4051c11..62aa6e7 100644
--- a/src/main/java/org/apache/commons/math4/ml/clustering/evaluation/SumOfClusterVariances.java
+++ b/src/main/java/org/apache/commons/math4/ml/clustering/evaluation/SumOfClusterVariances.java
@@ -15,14 +15,14 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.ml.clustering.evaluation;
+package org.apache.commons.math4.ml.clustering.evaluation;
 
 import java.util.List;
 
-import org.apache.commons.math3.ml.clustering.Cluster;
-import org.apache.commons.math3.ml.clustering.Clusterable;
-import org.apache.commons.math3.ml.distance.DistanceMeasure;
-import org.apache.commons.math3.stat.descriptive.moment.Variance;
+import org.apache.commons.math4.ml.clustering.Cluster;
+import org.apache.commons.math4.ml.clustering.Clusterable;
+import org.apache.commons.math4.ml.distance.DistanceMeasure;
+import org.apache.commons.math4.stat.descriptive.moment.Variance;
 
 /**
  * Computes the sum of intra-cluster distance variances according to the formula:

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/ml/clustering/evaluation/package-info.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/ml/clustering/evaluation/package-info.java b/src/main/java/org/apache/commons/math4/ml/clustering/evaluation/package-info.java
index 700f566..2d02358 100644
--- a/src/main/java/org/apache/commons/math4/ml/clustering/evaluation/package-info.java
+++ b/src/main/java/org/apache/commons/math4/ml/clustering/evaluation/package-info.java
@@ -17,4 +17,4 @@
 /**
  * Cluster evaluation methods.
  */
-package org.apache.commons.math3.ml.clustering.evaluation;
+package org.apache.commons.math4.ml.clustering.evaluation;

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/ml/clustering/package-info.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/ml/clustering/package-info.java b/src/main/java/org/apache/commons/math4/ml/clustering/package-info.java
index 02f1d20..d6bbe17 100644
--- a/src/main/java/org/apache/commons/math4/ml/clustering/package-info.java
+++ b/src/main/java/org/apache/commons/math4/ml/clustering/package-info.java
@@ -17,4 +17,4 @@
 /**
  * Clustering algorithms.
  */
-package org.apache.commons.math3.ml.clustering;
+package org.apache.commons.math4.ml.clustering;

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/ml/distance/CanberraDistance.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/ml/distance/CanberraDistance.java b/src/main/java/org/apache/commons/math4/ml/distance/CanberraDistance.java
index d997352..36a6268 100644
--- a/src/main/java/org/apache/commons/math4/ml/distance/CanberraDistance.java
+++ b/src/main/java/org/apache/commons/math4/ml/distance/CanberraDistance.java
@@ -14,9 +14,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.ml.distance;
+package org.apache.commons.math4.ml.distance;
 
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.util.FastMath;
 
 /**
  * Calculates the Canberra distance between two points.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/ml/distance/ChebyshevDistance.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/ml/distance/ChebyshevDistance.java b/src/main/java/org/apache/commons/math4/ml/distance/ChebyshevDistance.java
index 9eecb15..0fb5145 100644
--- a/src/main/java/org/apache/commons/math4/ml/distance/ChebyshevDistance.java
+++ b/src/main/java/org/apache/commons/math4/ml/distance/ChebyshevDistance.java
@@ -14,9 +14,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.ml.distance;
+package org.apache.commons.math4.ml.distance;
 
-import org.apache.commons.math3.util.MathArrays;
+import org.apache.commons.math4.util.MathArrays;
 
 /**
  * Calculates the L<sub>&infin;</sub> (max of abs) distance between two points.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/ml/distance/DistanceMeasure.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/ml/distance/DistanceMeasure.java b/src/main/java/org/apache/commons/math4/ml/distance/DistanceMeasure.java
index 98bfc89..89d4672 100644
--- a/src/main/java/org/apache/commons/math4/ml/distance/DistanceMeasure.java
+++ b/src/main/java/org/apache/commons/math4/ml/distance/DistanceMeasure.java
@@ -14,7 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.ml.distance;
+package org.apache.commons.math4.ml.distance;
 
 import java.io.Serializable;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/ml/distance/EarthMoversDistance.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/ml/distance/EarthMoversDistance.java b/src/main/java/org/apache/commons/math4/ml/distance/EarthMoversDistance.java
index 13f2654..cce78bf 100644
--- a/src/main/java/org/apache/commons/math4/ml/distance/EarthMoversDistance.java
+++ b/src/main/java/org/apache/commons/math4/ml/distance/EarthMoversDistance.java
@@ -14,9 +14,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.ml.distance;
+package org.apache.commons.math4.ml.distance;
 
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.util.FastMath;
 
 /**
  * Calculates the Earh Mover's distance (also known as Wasserstein metric) between two distributions.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/ml/distance/EuclideanDistance.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/ml/distance/EuclideanDistance.java b/src/main/java/org/apache/commons/math4/ml/distance/EuclideanDistance.java
index 5d8029e..76de013 100644
--- a/src/main/java/org/apache/commons/math4/ml/distance/EuclideanDistance.java
+++ b/src/main/java/org/apache/commons/math4/ml/distance/EuclideanDistance.java
@@ -14,9 +14,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.ml.distance;
+package org.apache.commons.math4.ml.distance;
 
-import org.apache.commons.math3.util.MathArrays;
+import org.apache.commons.math4.util.MathArrays;
 
 /**
  * Calculates the L<sub>2</sub> (Euclidean) distance between two points.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/ml/distance/ManhattanDistance.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/ml/distance/ManhattanDistance.java b/src/main/java/org/apache/commons/math4/ml/distance/ManhattanDistance.java
index 9e898c1..6c54a9b 100644
--- a/src/main/java/org/apache/commons/math4/ml/distance/ManhattanDistance.java
+++ b/src/main/java/org/apache/commons/math4/ml/distance/ManhattanDistance.java
@@ -14,9 +14,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.ml.distance;
+package org.apache.commons.math4.ml.distance;
 
-import org.apache.commons.math3.util.MathArrays;
+import org.apache.commons.math4.util.MathArrays;
 
 /**
  * Calculates the L<sub>1</sub> (sum of abs) distance between two points.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/ml/distance/package-info.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/ml/distance/package-info.java b/src/main/java/org/apache/commons/math4/ml/distance/package-info.java
index f6d124a..572dc2a 100644
--- a/src/main/java/org/apache/commons/math4/ml/distance/package-info.java
+++ b/src/main/java/org/apache/commons/math4/ml/distance/package-info.java
@@ -17,4 +17,4 @@
 /**
  * Common distance measures.
  */
-package org.apache.commons.math3.ml.distance;
+package org.apache.commons.math4.ml.distance;


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