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From t.@apache.org
Subject [79/82] [math] Update for next development iteration: commons-math4
Date Mon, 16 Feb 2015 22:40:49 GMT
http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/integration/gauss/LegendreRuleFactory.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/integration/gauss/LegendreRuleFactory.java b/src/main/java/org/apache/commons/math4/analysis/integration/gauss/LegendreRuleFactory.java
index 225fa01..9742b95 100644
--- a/src/main/java/org/apache/commons/math4/analysis/integration/gauss/LegendreRuleFactory.java
+++ b/src/main/java/org/apache/commons/math4/analysis/integration/gauss/LegendreRuleFactory.java
@@ -14,10 +14,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis.integration.gauss;
+package org.apache.commons.math4.analysis.integration.gauss;
 
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.util.Pair;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.util.Pair;
 
 /**
  * Factory that creates Gauss-type quadrature rule using Legendre polynomials.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/integration/gauss/SymmetricGaussIntegrator.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/integration/gauss/SymmetricGaussIntegrator.java b/src/main/java/org/apache/commons/math4/analysis/integration/gauss/SymmetricGaussIntegrator.java
index 7fa4884..ee3a466 100644
--- a/src/main/java/org/apache/commons/math4/analysis/integration/gauss/SymmetricGaussIntegrator.java
+++ b/src/main/java/org/apache/commons/math4/analysis/integration/gauss/SymmetricGaussIntegrator.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.integration.gauss;
+package org.apache.commons.math4.analysis.integration.gauss;
 
-import org.apache.commons.math3.analysis.UnivariateFunction;
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.NonMonotonicSequenceException;
-import org.apache.commons.math3.util.Pair;
+import org.apache.commons.math4.analysis.UnivariateFunction;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.NonMonotonicSequenceException;
+import org.apache.commons.math4.util.Pair;
 
 /**
  * This class's implements {@link #integrate(UnivariateFunction) integrate}

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/integration/gauss/package-info.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/integration/gauss/package-info.java b/src/main/java/org/apache/commons/math4/analysis/integration/gauss/package-info.java
index 066da30..9fd1bc8 100644
--- a/src/main/java/org/apache/commons/math4/analysis/integration/gauss/package-info.java
+++ b/src/main/java/org/apache/commons/math4/analysis/integration/gauss/package-info.java
@@ -19,4 +19,4 @@
  * Gauss family of quadrature schemes.
  *
  */
-package org.apache.commons.math3.analysis.integration.gauss;
+package org.apache.commons.math4.analysis.integration.gauss;

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/integration/package-info.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/integration/package-info.java b/src/main/java/org/apache/commons/math4/analysis/integration/package-info.java
index f4df3ba..4afe6b0 100644
--- a/src/main/java/org/apache/commons/math4/analysis/integration/package-info.java
+++ b/src/main/java/org/apache/commons/math4/analysis/integration/package-info.java
@@ -19,4 +19,4 @@
  *     Numerical integration (quadrature) algorithms for univariate real functions.
  *
  */
-package org.apache.commons.math3.analysis.integration;
+package org.apache.commons.math4.analysis.integration;

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/interpolation/AkimaSplineInterpolator.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/interpolation/AkimaSplineInterpolator.java b/src/main/java/org/apache/commons/math4/analysis/interpolation/AkimaSplineInterpolator.java
index 5b89dfe..ac54924 100644
--- a/src/main/java/org/apache/commons/math4/analysis/interpolation/AkimaSplineInterpolator.java
+++ b/src/main/java/org/apache/commons/math4/analysis/interpolation/AkimaSplineInterpolator.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.interpolation;
-
-import org.apache.commons.math3.analysis.polynomials.PolynomialFunction;
-import org.apache.commons.math3.analysis.polynomials.PolynomialSplineFunction;
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.NonMonotonicSequenceException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.exception.NumberIsTooSmallException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.util.FastMath;
-import org.apache.commons.math3.util.MathArrays;
-import org.apache.commons.math3.util.Precision;
+package org.apache.commons.math4.analysis.interpolation;
+
+import org.apache.commons.math4.analysis.polynomials.PolynomialFunction;
+import org.apache.commons.math4.analysis.polynomials.PolynomialSplineFunction;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.NonMonotonicSequenceException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.exception.NumberIsTooSmallException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.util.FastMath;
+import org.apache.commons.math4.util.MathArrays;
+import org.apache.commons.math4.util.Precision;
 
 /**
  * Computes a cubic spline interpolation for the data set using the Akima

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/interpolation/BicubicInterpolatingFunction.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/interpolation/BicubicInterpolatingFunction.java b/src/main/java/org/apache/commons/math4/analysis/interpolation/BicubicInterpolatingFunction.java
index 7fe947f..cea9766 100644
--- a/src/main/java/org/apache/commons/math4/analysis/interpolation/BicubicInterpolatingFunction.java
+++ b/src/main/java/org/apache/commons/math4/analysis/interpolation/BicubicInterpolatingFunction.java
@@ -14,15 +14,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis.interpolation;
+package org.apache.commons.math4.analysis.interpolation;
 
 import java.util.Arrays;
-import org.apache.commons.math3.analysis.BivariateFunction;
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.NoDataException;
-import org.apache.commons.math3.exception.OutOfRangeException;
-import org.apache.commons.math3.exception.NonMonotonicSequenceException;
-import org.apache.commons.math3.util.MathArrays;
+
+import org.apache.commons.math4.analysis.BivariateFunction;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.NoDataException;
+import org.apache.commons.math4.exception.NonMonotonicSequenceException;
+import org.apache.commons.math4.exception.OutOfRangeException;
+import org.apache.commons.math4.util.MathArrays;
 
 /**
  * Function that implements the

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/interpolation/BicubicInterpolator.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/interpolation/BicubicInterpolator.java b/src/main/java/org/apache/commons/math4/analysis/interpolation/BicubicInterpolator.java
index 82ab44e..95617f5 100644
--- a/src/main/java/org/apache/commons/math4/analysis/interpolation/BicubicInterpolator.java
+++ b/src/main/java/org/apache/commons/math4/analysis/interpolation/BicubicInterpolator.java
@@ -14,13 +14,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis.interpolation;
+package org.apache.commons.math4.analysis.interpolation;
 
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.NoDataException;
-import org.apache.commons.math3.exception.NonMonotonicSequenceException;
-import org.apache.commons.math3.exception.NumberIsTooSmallException;
-import org.apache.commons.math3.util.MathArrays;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.NoDataException;
+import org.apache.commons.math4.exception.NonMonotonicSequenceException;
+import org.apache.commons.math4.exception.NumberIsTooSmallException;
+import org.apache.commons.math4.util.MathArrays;
 
 /**
  * Generates a {@link BicubicInterpolatingFunction bicubic interpolating

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/interpolation/BicubicSplineInterpolatingFunction.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/interpolation/BicubicSplineInterpolatingFunction.java b/src/main/java/org/apache/commons/math4/analysis/interpolation/BicubicSplineInterpolatingFunction.java
index 522c2a5..e9f7e19 100644
--- a/src/main/java/org/apache/commons/math4/analysis/interpolation/BicubicSplineInterpolatingFunction.java
+++ b/src/main/java/org/apache/commons/math4/analysis/interpolation/BicubicSplineInterpolatingFunction.java
@@ -14,15 +14,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis.interpolation;
+package org.apache.commons.math4.analysis.interpolation;
 
 import java.util.Arrays;
-import org.apache.commons.math3.analysis.BivariateFunction;
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.NoDataException;
-import org.apache.commons.math3.exception.OutOfRangeException;
-import org.apache.commons.math3.exception.NonMonotonicSequenceException;
-import org.apache.commons.math3.util.MathArrays;
+
+import org.apache.commons.math4.analysis.BivariateFunction;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.NoDataException;
+import org.apache.commons.math4.exception.NonMonotonicSequenceException;
+import org.apache.commons.math4.exception.OutOfRangeException;
+import org.apache.commons.math4.util.MathArrays;
 
 /**
  * Function that implements the
@@ -32,7 +33,7 @@ import org.apache.commons.math3.util.MathArrays;
  *
  * @since 2.1
  * @deprecated as of 3.4 replaced by
- * {@link org.apache.commons.math3.analysis.interpolation.PiecewiseBicubicSplineInterpolatingFunction}
+ * {@link org.apache.commons.math4.analysis.interpolation.PiecewiseBicubicSplineInterpolatingFunction}
  */
 @Deprecated
 public class BicubicSplineInterpolatingFunction

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/interpolation/BicubicSplineInterpolator.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/interpolation/BicubicSplineInterpolator.java b/src/main/java/org/apache/commons/math4/analysis/interpolation/BicubicSplineInterpolator.java
index 09acd07..53e726f 100644
--- a/src/main/java/org/apache/commons/math4/analysis/interpolation/BicubicSplineInterpolator.java
+++ b/src/main/java/org/apache/commons/math4/analysis/interpolation/BicubicSplineInterpolator.java
@@ -14,22 +14,22 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis.interpolation;
+package org.apache.commons.math4.analysis.interpolation;
 
-import org.apache.commons.math3.analysis.UnivariateFunction;
-import org.apache.commons.math3.analysis.polynomials.PolynomialSplineFunction;
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.NoDataException;
-import org.apache.commons.math3.exception.NonMonotonicSequenceException;
-import org.apache.commons.math3.exception.NumberIsTooSmallException;
-import org.apache.commons.math3.util.MathArrays;
+import org.apache.commons.math4.analysis.UnivariateFunction;
+import org.apache.commons.math4.analysis.polynomials.PolynomialSplineFunction;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.NoDataException;
+import org.apache.commons.math4.exception.NonMonotonicSequenceException;
+import org.apache.commons.math4.exception.NumberIsTooSmallException;
+import org.apache.commons.math4.util.MathArrays;
 
 /**
  * Generates a bicubic interpolating function. Due to numerical accuracy issues this should not
  * be used.
  *
  * @since 2.2
- * @deprecated as of 3.4 replaced by {@link org.apache.commons.math3.analysis.interpolation.PiecewiseBicubicSplineInterpolator}
+ * @deprecated as of 3.4 replaced by {@link org.apache.commons.math4.analysis.interpolation.PiecewiseBicubicSplineInterpolator}
  */
 @Deprecated
 public class BicubicSplineInterpolator

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/interpolation/BivariateGridInterpolator.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/interpolation/BivariateGridInterpolator.java b/src/main/java/org/apache/commons/math4/analysis/interpolation/BivariateGridInterpolator.java
index 94d75ad..97ed969 100644
--- a/src/main/java/org/apache/commons/math4/analysis/interpolation/BivariateGridInterpolator.java
+++ b/src/main/java/org/apache/commons/math4/analysis/interpolation/BivariateGridInterpolator.java
@@ -14,13 +14,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis.interpolation;
+package org.apache.commons.math4.analysis.interpolation;
 
-import org.apache.commons.math3.analysis.BivariateFunction;
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.NoDataException;
-import org.apache.commons.math3.exception.NonMonotonicSequenceException;
-import org.apache.commons.math3.exception.NumberIsTooSmallException;
+import org.apache.commons.math4.analysis.BivariateFunction;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.NoDataException;
+import org.apache.commons.math4.exception.NonMonotonicSequenceException;
+import org.apache.commons.math4.exception.NumberIsTooSmallException;
 
 /**
  * Interface representing a bivariate real interpolating function where the

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/interpolation/DividedDifferenceInterpolator.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/interpolation/DividedDifferenceInterpolator.java b/src/main/java/org/apache/commons/math4/analysis/interpolation/DividedDifferenceInterpolator.java
index e308160..7624298 100644
--- a/src/main/java/org/apache/commons/math4/analysis/interpolation/DividedDifferenceInterpolator.java
+++ b/src/main/java/org/apache/commons/math4/analysis/interpolation/DividedDifferenceInterpolator.java
@@ -14,14 +14,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis.interpolation;
+package org.apache.commons.math4.analysis.interpolation;
 
 import java.io.Serializable;
-import org.apache.commons.math3.analysis.polynomials.PolynomialFunctionLagrangeForm;
-import org.apache.commons.math3.analysis.polynomials.PolynomialFunctionNewtonForm;
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.NumberIsTooSmallException;
-import org.apache.commons.math3.exception.NonMonotonicSequenceException;
+
+import org.apache.commons.math4.analysis.polynomials.PolynomialFunctionLagrangeForm;
+import org.apache.commons.math4.analysis.polynomials.PolynomialFunctionNewtonForm;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.NonMonotonicSequenceException;
+import org.apache.commons.math4.exception.NumberIsTooSmallException;
 
 /**
  * Implements the <a href="

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/interpolation/FieldHermiteInterpolator.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/interpolation/FieldHermiteInterpolator.java b/src/main/java/org/apache/commons/math4/analysis/interpolation/FieldHermiteInterpolator.java
index 9125b83..8945aae 100644
--- a/src/main/java/org/apache/commons/math4/analysis/interpolation/FieldHermiteInterpolator.java
+++ b/src/main/java/org/apache/commons/math4/analysis/interpolation/FieldHermiteInterpolator.java
@@ -14,20 +14,20 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis.interpolation;
+package org.apache.commons.math4.analysis.interpolation;
 
 import java.util.ArrayList;
 import java.util.List;
 
-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.ZeroException;
-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.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.ZeroException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.util.MathArrays;
+import org.apache.commons.math4.util.MathUtils;
 
 /** Polynomial interpolator using both sample values and sample derivatives.
  * <p>

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/interpolation/HermiteInterpolator.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/interpolation/HermiteInterpolator.java b/src/main/java/org/apache/commons/math4/analysis/interpolation/HermiteInterpolator.java
index 15ed322..1903579 100644
--- a/src/main/java/org/apache/commons/math4/analysis/interpolation/HermiteInterpolator.java
+++ b/src/main/java/org/apache/commons/math4/analysis/interpolation/HermiteInterpolator.java
@@ -14,20 +14,20 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis.interpolation;
+package org.apache.commons.math4.analysis.interpolation;
 
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 
-import org.apache.commons.math3.analysis.differentiation.DerivativeStructure;
-import org.apache.commons.math3.analysis.differentiation.UnivariateDifferentiableVectorFunction;
-import org.apache.commons.math3.analysis.polynomials.PolynomialFunction;
-import org.apache.commons.math3.exception.MathArithmeticException;
-import org.apache.commons.math3.exception.NoDataException;
-import org.apache.commons.math3.exception.ZeroException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.util.CombinatoricsUtils;
+import org.apache.commons.math4.analysis.differentiation.DerivativeStructure;
+import org.apache.commons.math4.analysis.differentiation.UnivariateDifferentiableVectorFunction;
+import org.apache.commons.math4.analysis.polynomials.PolynomialFunction;
+import org.apache.commons.math4.exception.MathArithmeticException;
+import org.apache.commons.math4.exception.NoDataException;
+import org.apache.commons.math4.exception.ZeroException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.util.CombinatoricsUtils;
 
 /** Polynomial interpolator using both sample values and sample derivatives.
  * <p>

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/interpolation/LinearInterpolator.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/interpolation/LinearInterpolator.java b/src/main/java/org/apache/commons/math4/analysis/interpolation/LinearInterpolator.java
index 7e0e69b..2eb19f0 100644
--- a/src/main/java/org/apache/commons/math4/analysis/interpolation/LinearInterpolator.java
+++ b/src/main/java/org/apache/commons/math4/analysis/interpolation/LinearInterpolator.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.interpolation;
+package org.apache.commons.math4.analysis.interpolation;
 
-import org.apache.commons.math3.analysis.polynomials.PolynomialFunction;
-import org.apache.commons.math3.analysis.polynomials.PolynomialSplineFunction;
-import org.apache.commons.math3.util.MathArrays;
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.NumberIsTooSmallException;
-import org.apache.commons.math3.exception.NonMonotonicSequenceException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
+import org.apache.commons.math4.analysis.polynomials.PolynomialFunction;
+import org.apache.commons.math4.analysis.polynomials.PolynomialSplineFunction;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.NonMonotonicSequenceException;
+import org.apache.commons.math4.exception.NumberIsTooSmallException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.util.MathArrays;
 
 /**
  * Implements a linear function for interpolation of real univariate functions.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/interpolation/LoessInterpolator.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/interpolation/LoessInterpolator.java b/src/main/java/org/apache/commons/math4/analysis/interpolation/LoessInterpolator.java
index 7f0788d..a362511 100644
--- a/src/main/java/org/apache/commons/math4/analysis/interpolation/LoessInterpolator.java
+++ b/src/main/java/org/apache/commons/math4/analysis/interpolation/LoessInterpolator.java
@@ -14,23 +14,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis.interpolation;
+package org.apache.commons.math4.analysis.interpolation;
 
 import java.io.Serializable;
 import java.util.Arrays;
 
-import org.apache.commons.math3.analysis.polynomials.PolynomialSplineFunction;
-import org.apache.commons.math3.exception.NotPositiveException;
-import org.apache.commons.math3.exception.OutOfRangeException;
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.NoDataException;
-import org.apache.commons.math3.exception.NumberIsTooSmallException;
-import org.apache.commons.math3.exception.NonMonotonicSequenceException;
-import org.apache.commons.math3.exception.NotFiniteNumberException;
-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.MathArrays;
+import org.apache.commons.math4.analysis.polynomials.PolynomialSplineFunction;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.NoDataException;
+import org.apache.commons.math4.exception.NonMonotonicSequenceException;
+import org.apache.commons.math4.exception.NotFiniteNumberException;
+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;
+import org.apache.commons.math4.util.MathArrays;
+import org.apache.commons.math4.util.MathUtils;
 
 /**
  * Implements the <a href="http://en.wikipedia.org/wiki/Local_regression">
@@ -163,7 +163,7 @@ public class LoessInterpolator
      * Compute an interpolating function by performing a loess fit
      * on the data at the original abscissae and then building a cubic spline
      * with a
-     * {@link org.apache.commons.math3.analysis.interpolation.SplineInterpolator}
+     * {@link org.apache.commons.math4.analysis.interpolation.SplineInterpolator}
      * on the resulting fit.
      *
      * @param xval the arguments for the interpolation points
@@ -462,7 +462,7 @@ public class LoessInterpolator
      * Check that all elements of an array are finite real numbers.
      *
      * @param values Values array.
-     * @throws org.apache.commons.math3.exception.NotFiniteNumberException
+     * @throws org.apache.commons.math4.exception.NotFiniteNumberException
      * if one of the values is not a finite real number.
      */
     private static void checkAllFiniteReal(final double[] values) {

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/interpolation/MicrosphereInterpolatingFunction.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/interpolation/MicrosphereInterpolatingFunction.java b/src/main/java/org/apache/commons/math4/analysis/interpolation/MicrosphereInterpolatingFunction.java
index b747841..a18cbc0 100644
--- a/src/main/java/org/apache/commons/math4/analysis/interpolation/MicrosphereInterpolatingFunction.java
+++ b/src/main/java/org/apache/commons/math4/analysis/interpolation/MicrosphereInterpolatingFunction.java
@@ -14,21 +14,21 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis.interpolation;
+package org.apache.commons.math4.analysis.interpolation;
 
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
-import org.apache.commons.math3.analysis.MultivariateFunction;
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.NoDataException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.linear.ArrayRealVector;
-import org.apache.commons.math3.linear.RealVector;
-import org.apache.commons.math3.random.UnitSphereRandomVectorGenerator;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.analysis.MultivariateFunction;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.NoDataException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.linear.ArrayRealVector;
+import org.apache.commons.math4.linear.RealVector;
+import org.apache.commons.math4.random.UnitSphereRandomVectorGenerator;
+import org.apache.commons.math4.util.FastMath;
 
 /**
  * Interpolating function that implements the

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/interpolation/MicrosphereInterpolator.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/interpolation/MicrosphereInterpolator.java b/src/main/java/org/apache/commons/math4/analysis/interpolation/MicrosphereInterpolator.java
index c9881ce..b267874 100644
--- a/src/main/java/org/apache/commons/math4/analysis/interpolation/MicrosphereInterpolator.java
+++ b/src/main/java/org/apache/commons/math4/analysis/interpolation/MicrosphereInterpolator.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.interpolation;
+package org.apache.commons.math4.analysis.interpolation;
 
-import org.apache.commons.math3.analysis.MultivariateFunction;
-import org.apache.commons.math3.exception.NotPositiveException;
-import org.apache.commons.math3.exception.NotStrictlyPositiveException;
-import org.apache.commons.math3.exception.NoDataException;
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.random.UnitSphereRandomVectorGenerator;
+import org.apache.commons.math4.analysis.MultivariateFunction;
+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.random.UnitSphereRandomVectorGenerator;
 
 /**
  * Interpolator that implements the algorithm described in

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/interpolation/MultivariateInterpolator.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/interpolation/MultivariateInterpolator.java b/src/main/java/org/apache/commons/math4/analysis/interpolation/MultivariateInterpolator.java
index 7d76374..97ae5b6 100644
--- a/src/main/java/org/apache/commons/math4/analysis/interpolation/MultivariateInterpolator.java
+++ b/src/main/java/org/apache/commons/math4/analysis/interpolation/MultivariateInterpolator.java
@@ -14,13 +14,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis.interpolation;
+package org.apache.commons.math4.analysis.interpolation;
 
-import org.apache.commons.math3.analysis.MultivariateFunction;
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.NoDataException;
-import org.apache.commons.math3.exception.NullArgumentException;
+import org.apache.commons.math4.analysis.MultivariateFunction;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.NoDataException;
+import org.apache.commons.math4.exception.NullArgumentException;
 
 /**
  * Interface representing a univariate real interpolating function.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/interpolation/NevilleInterpolator.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/interpolation/NevilleInterpolator.java b/src/main/java/org/apache/commons/math4/analysis/interpolation/NevilleInterpolator.java
index 6b47451..ee39b7f 100644
--- a/src/main/java/org/apache/commons/math4/analysis/interpolation/NevilleInterpolator.java
+++ b/src/main/java/org/apache/commons/math4/analysis/interpolation/NevilleInterpolator.java
@@ -14,14 +14,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis.interpolation;
+package org.apache.commons.math4.analysis.interpolation;
 
 import java.io.Serializable;
 
-import org.apache.commons.math3.analysis.polynomials.PolynomialFunctionLagrangeForm;
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.NumberIsTooSmallException;
-import org.apache.commons.math3.exception.NonMonotonicSequenceException;
+import org.apache.commons.math4.analysis.polynomials.PolynomialFunctionLagrangeForm;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.NonMonotonicSequenceException;
+import org.apache.commons.math4.exception.NumberIsTooSmallException;
 
 /**
  * Implements the <a href="http://mathworld.wolfram.com/NevillesAlgorithm.html">

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/interpolation/PiecewiseBicubicSplineInterpolatingFunction.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/interpolation/PiecewiseBicubicSplineInterpolatingFunction.java b/src/main/java/org/apache/commons/math4/analysis/interpolation/PiecewiseBicubicSplineInterpolatingFunction.java
index 7dd135a..8a53453 100644
--- a/src/main/java/org/apache/commons/math4/analysis/interpolation/PiecewiseBicubicSplineInterpolatingFunction.java
+++ b/src/main/java/org/apache/commons/math4/analysis/interpolation/PiecewiseBicubicSplineInterpolatingFunction.java
@@ -14,18 +14,19 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis.interpolation;
+package org.apache.commons.math4.analysis.interpolation;
 
 import java.util.Arrays;
-import org.apache.commons.math3.analysis.BivariateFunction;
-import org.apache.commons.math3.analysis.polynomials.PolynomialSplineFunction;
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.InsufficientDataException;
-import org.apache.commons.math3.exception.NoDataException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.exception.OutOfRangeException;
-import org.apache.commons.math3.exception.NonMonotonicSequenceException;
-import org.apache.commons.math3.util.MathArrays;
+
+import org.apache.commons.math4.analysis.BivariateFunction;
+import org.apache.commons.math4.analysis.polynomials.PolynomialSplineFunction;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.InsufficientDataException;
+import org.apache.commons.math4.exception.NoDataException;
+import org.apache.commons.math4.exception.NonMonotonicSequenceException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.exception.OutOfRangeException;
+import org.apache.commons.math4.util.MathArrays;
 
 /**
  * Function that implements the

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/interpolation/PiecewiseBicubicSplineInterpolator.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/interpolation/PiecewiseBicubicSplineInterpolator.java b/src/main/java/org/apache/commons/math4/analysis/interpolation/PiecewiseBicubicSplineInterpolator.java
index 826f328..bd3f620 100644
--- a/src/main/java/org/apache/commons/math4/analysis/interpolation/PiecewiseBicubicSplineInterpolator.java
+++ b/src/main/java/org/apache/commons/math4/analysis/interpolation/PiecewiseBicubicSplineInterpolator.java
@@ -14,13 +14,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis.interpolation;
+package org.apache.commons.math4.analysis.interpolation;
 
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.NoDataException;
-import org.apache.commons.math3.exception.NonMonotonicSequenceException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.util.MathArrays;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.NoDataException;
+import org.apache.commons.math4.exception.NonMonotonicSequenceException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.util.MathArrays;
 
 /**
  * Generates a piecewise-bicubic interpolating function.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/interpolation/SmoothingPolynomialBicubicSplineInterpolator.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/interpolation/SmoothingPolynomialBicubicSplineInterpolator.java b/src/main/java/org/apache/commons/math4/analysis/interpolation/SmoothingPolynomialBicubicSplineInterpolator.java
index e1639b2..243da0c 100644
--- a/src/main/java/org/apache/commons/math4/analysis/interpolation/SmoothingPolynomialBicubicSplineInterpolator.java
+++ b/src/main/java/org/apache/commons/math4/analysis/interpolation/SmoothingPolynomialBicubicSplineInterpolator.java
@@ -14,19 +14,19 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis.interpolation;
-
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.NoDataException;
-import org.apache.commons.math3.exception.NonMonotonicSequenceException;
-import org.apache.commons.math3.exception.NotPositiveException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.util.MathArrays;
-import org.apache.commons.math3.util.Precision;
-import org.apache.commons.math3.optim.nonlinear.vector.jacobian.GaussNewtonOptimizer;
-import org.apache.commons.math3.fitting.PolynomialFitter;
-import org.apache.commons.math3.analysis.polynomials.PolynomialFunction;
-import org.apache.commons.math3.optim.SimpleVectorValueChecker;
+package org.apache.commons.math4.analysis.interpolation;
+
+import org.apache.commons.math4.analysis.polynomials.PolynomialFunction;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.NoDataException;
+import org.apache.commons.math4.exception.NonMonotonicSequenceException;
+import org.apache.commons.math4.exception.NotPositiveException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.fitting.PolynomialFitter;
+import org.apache.commons.math4.optim.SimpleVectorValueChecker;
+import org.apache.commons.math4.optim.nonlinear.vector.jacobian.GaussNewtonOptimizer;
+import org.apache.commons.math4.util.MathArrays;
+import org.apache.commons.math4.util.Precision;
 
 /**
  * Generates a bicubic interpolation function.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/interpolation/SplineInterpolator.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/interpolation/SplineInterpolator.java b/src/main/java/org/apache/commons/math4/analysis/interpolation/SplineInterpolator.java
index a9ca862..393281e 100644
--- a/src/main/java/org/apache/commons/math4/analysis/interpolation/SplineInterpolator.java
+++ b/src/main/java/org/apache/commons/math4/analysis/interpolation/SplineInterpolator.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.interpolation;
+package org.apache.commons.math4.analysis.interpolation;
 
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.exception.NumberIsTooSmallException;
-import org.apache.commons.math3.exception.NonMonotonicSequenceException;
-import org.apache.commons.math3.analysis.polynomials.PolynomialFunction;
-import org.apache.commons.math3.analysis.polynomials.PolynomialSplineFunction;
-import org.apache.commons.math3.util.MathArrays;
+import org.apache.commons.math4.analysis.polynomials.PolynomialFunction;
+import org.apache.commons.math4.analysis.polynomials.PolynomialSplineFunction;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.NonMonotonicSequenceException;
+import org.apache.commons.math4.exception.NumberIsTooSmallException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.util.MathArrays;
 
 /**
  * Computes a natural (also known as "free", "unclamped") cubic spline interpolation for the data set.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/interpolation/TricubicInterpolatingFunction.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/interpolation/TricubicInterpolatingFunction.java b/src/main/java/org/apache/commons/math4/analysis/interpolation/TricubicInterpolatingFunction.java
index 9344d89..450a2e3 100644
--- a/src/main/java/org/apache/commons/math4/analysis/interpolation/TricubicInterpolatingFunction.java
+++ b/src/main/java/org/apache/commons/math4/analysis/interpolation/TricubicInterpolatingFunction.java
@@ -14,14 +14,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis.interpolation;
-
-import org.apache.commons.math3.analysis.TrivariateFunction;
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.NoDataException;
-import org.apache.commons.math3.exception.OutOfRangeException;
-import org.apache.commons.math3.exception.NonMonotonicSequenceException;
-import org.apache.commons.math3.util.MathArrays;
+package org.apache.commons.math4.analysis.interpolation;
+
+import org.apache.commons.math4.analysis.TrivariateFunction;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.NoDataException;
+import org.apache.commons.math4.exception.NonMonotonicSequenceException;
+import org.apache.commons.math4.exception.OutOfRangeException;
+import org.apache.commons.math4.util.MathArrays;
 
 /**
  * Function that implements the

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/interpolation/TricubicInterpolator.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/interpolation/TricubicInterpolator.java b/src/main/java/org/apache/commons/math4/analysis/interpolation/TricubicInterpolator.java
index 531e736..0270882 100644
--- a/src/main/java/org/apache/commons/math4/analysis/interpolation/TricubicInterpolator.java
+++ b/src/main/java/org/apache/commons/math4/analysis/interpolation/TricubicInterpolator.java
@@ -14,13 +14,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis.interpolation;
+package org.apache.commons.math4.analysis.interpolation;
 
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.NoDataException;
-import org.apache.commons.math3.exception.NonMonotonicSequenceException;
-import org.apache.commons.math3.exception.NumberIsTooSmallException;
-import org.apache.commons.math3.util.MathArrays;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.NoDataException;
+import org.apache.commons.math4.exception.NonMonotonicSequenceException;
+import org.apache.commons.math4.exception.NumberIsTooSmallException;
+import org.apache.commons.math4.util.MathArrays;
 
 /**
  * Generates a tricubic interpolating function.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/interpolation/TricubicSplineInterpolatingFunction.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/interpolation/TricubicSplineInterpolatingFunction.java b/src/main/java/org/apache/commons/math4/analysis/interpolation/TricubicSplineInterpolatingFunction.java
index 4260606..fa5f76c 100644
--- a/src/main/java/org/apache/commons/math4/analysis/interpolation/TricubicSplineInterpolatingFunction.java
+++ b/src/main/java/org/apache/commons/math4/analysis/interpolation/TricubicSplineInterpolatingFunction.java
@@ -14,14 +14,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis.interpolation;
-
-import org.apache.commons.math3.analysis.TrivariateFunction;
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.NoDataException;
-import org.apache.commons.math3.exception.OutOfRangeException;
-import org.apache.commons.math3.exception.NonMonotonicSequenceException;
-import org.apache.commons.math3.util.MathArrays;
+package org.apache.commons.math4.analysis.interpolation;
+
+import org.apache.commons.math4.analysis.TrivariateFunction;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.NoDataException;
+import org.apache.commons.math4.exception.NonMonotonicSequenceException;
+import org.apache.commons.math4.exception.OutOfRangeException;
+import org.apache.commons.math4.util.MathArrays;
 
 /**
  * Function that implements the

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/interpolation/TricubicSplineInterpolator.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/interpolation/TricubicSplineInterpolator.java b/src/main/java/org/apache/commons/math4/analysis/interpolation/TricubicSplineInterpolator.java
index da19986..c068f74 100644
--- a/src/main/java/org/apache/commons/math4/analysis/interpolation/TricubicSplineInterpolator.java
+++ b/src/main/java/org/apache/commons/math4/analysis/interpolation/TricubicSplineInterpolator.java
@@ -14,13 +14,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis.interpolation;
+package org.apache.commons.math4.analysis.interpolation;
 
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.NoDataException;
-import org.apache.commons.math3.exception.NonMonotonicSequenceException;
-import org.apache.commons.math3.exception.NumberIsTooSmallException;
-import org.apache.commons.math3.util.MathArrays;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.NoDataException;
+import org.apache.commons.math4.exception.NonMonotonicSequenceException;
+import org.apache.commons.math4.exception.NumberIsTooSmallException;
+import org.apache.commons.math4.util.MathArrays;
 
 /**
  * Generates a tricubic interpolating function.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/interpolation/TrivariateGridInterpolator.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/interpolation/TrivariateGridInterpolator.java b/src/main/java/org/apache/commons/math4/analysis/interpolation/TrivariateGridInterpolator.java
index ec69715..18e264d 100644
--- a/src/main/java/org/apache/commons/math4/analysis/interpolation/TrivariateGridInterpolator.java
+++ b/src/main/java/org/apache/commons/math4/analysis/interpolation/TrivariateGridInterpolator.java
@@ -14,13 +14,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis.interpolation;
+package org.apache.commons.math4.analysis.interpolation;
 
-import org.apache.commons.math3.analysis.TrivariateFunction;
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.NoDataException;
-import org.apache.commons.math3.exception.NonMonotonicSequenceException;
-import org.apache.commons.math3.exception.NumberIsTooSmallException;
+import org.apache.commons.math4.analysis.TrivariateFunction;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.NoDataException;
+import org.apache.commons.math4.exception.NonMonotonicSequenceException;
+import org.apache.commons.math4.exception.NumberIsTooSmallException;
 
 /**
  * Interface representing a trivariate real interpolating function where the

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/interpolation/UnivariateInterpolator.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/interpolation/UnivariateInterpolator.java b/src/main/java/org/apache/commons/math4/analysis/interpolation/UnivariateInterpolator.java
index f7a1bd1..349d22d 100644
--- a/src/main/java/org/apache/commons/math4/analysis/interpolation/UnivariateInterpolator.java
+++ b/src/main/java/org/apache/commons/math4/analysis/interpolation/UnivariateInterpolator.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.interpolation;
+package org.apache.commons.math4.analysis.interpolation;
 
-import org.apache.commons.math3.analysis.UnivariateFunction;
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.analysis.UnivariateFunction;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
 
 /**
  * Interface representing a univariate real interpolating function.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/interpolation/UnivariatePeriodicInterpolator.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/interpolation/UnivariatePeriodicInterpolator.java b/src/main/java/org/apache/commons/math4/analysis/interpolation/UnivariatePeriodicInterpolator.java
index 6b788b1..88b0f55 100644
--- a/src/main/java/org/apache/commons/math4/analysis/interpolation/UnivariatePeriodicInterpolator.java
+++ b/src/main/java/org/apache/commons/math4/analysis/interpolation/UnivariatePeriodicInterpolator.java
@@ -14,14 +14,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis.interpolation;
+package org.apache.commons.math4.analysis.interpolation;
 
-import org.apache.commons.math3.analysis.UnivariateFunction;
-import org.apache.commons.math3.util.MathUtils;
-import org.apache.commons.math3.util.MathArrays;
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.NonMonotonicSequenceException;
-import org.apache.commons.math3.exception.NumberIsTooSmallException;
+import org.apache.commons.math4.analysis.UnivariateFunction;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.NonMonotonicSequenceException;
+import org.apache.commons.math4.exception.NumberIsTooSmallException;
+import org.apache.commons.math4.util.MathArrays;
+import org.apache.commons.math4.util.MathUtils;
 
 /**
  * Adapter for classes implementing the {@link UnivariateInterpolator}

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/interpolation/package-info.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/interpolation/package-info.java b/src/main/java/org/apache/commons/math4/analysis/interpolation/package-info.java
index b4b25dd..231da35 100644
--- a/src/main/java/org/apache/commons/math4/analysis/interpolation/package-info.java
+++ b/src/main/java/org/apache/commons/math4/analysis/interpolation/package-info.java
@@ -19,4 +19,4 @@
  *     Univariate real functions interpolation algorithms.
  *
  */
-package org.apache.commons.math3.analysis.interpolation;
+package org.apache.commons.math4.analysis.interpolation;

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/package-info.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/package-info.java b/src/main/java/org/apache/commons/math4/analysis/package-info.java
index 46e0477..472dcb0 100644
--- a/src/main/java/org/apache/commons/math4/analysis/package-info.java
+++ b/src/main/java/org/apache/commons/math4/analysis/package-info.java
@@ -29,4 +29,4 @@
  *    </p>
  *
  */
-package org.apache.commons.math3.analysis;
+package org.apache.commons.math4.analysis;

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/polynomials/PolynomialFunction.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/polynomials/PolynomialFunction.java b/src/main/java/org/apache/commons/math4/analysis/polynomials/PolynomialFunction.java
index d424a88..886e2d7 100644
--- a/src/main/java/org/apache/commons/math4/analysis/polynomials/PolynomialFunction.java
+++ b/src/main/java/org/apache/commons/math4/analysis/polynomials/PolynomialFunction.java
@@ -14,21 +14,21 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis.polynomials;
+package org.apache.commons.math4.analysis.polynomials;
 
 import java.io.Serializable;
 import java.util.Arrays;
 
-import org.apache.commons.math3.exception.util.LocalizedFormats;
-import org.apache.commons.math3.exception.NoDataException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.analysis.DifferentiableUnivariateFunction;
-import org.apache.commons.math3.analysis.UnivariateFunction;
-import org.apache.commons.math3.analysis.ParametricUnivariateFunction;
-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.util.MathUtils;
+import org.apache.commons.math4.analysis.DifferentiableUnivariateFunction;
+import org.apache.commons.math4.analysis.ParametricUnivariateFunction;
+import org.apache.commons.math4.analysis.UnivariateFunction;
+import org.apache.commons.math4.analysis.differentiation.DerivativeStructure;
+import org.apache.commons.math4.analysis.differentiation.UnivariateDifferentiableFunction;
+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.FastMath;
+import org.apache.commons.math4.util.MathUtils;
 
 /**
  * Immutable representation of a real polynomial function with real coefficients.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/polynomials/PolynomialFunctionLagrangeForm.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/polynomials/PolynomialFunctionLagrangeForm.java b/src/main/java/org/apache/commons/math4/analysis/polynomials/PolynomialFunctionLagrangeForm.java
index 9d812df..b499d44 100644
--- a/src/main/java/org/apache/commons/math4/analysis/polynomials/PolynomialFunctionLagrangeForm.java
+++ b/src/main/java/org/apache/commons/math4/analysis/polynomials/PolynomialFunctionLagrangeForm.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.polynomials;
+package org.apache.commons.math4.analysis.polynomials;
 
-import org.apache.commons.math3.analysis.UnivariateFunction;
-import org.apache.commons.math3.util.FastMath;
-import org.apache.commons.math3.util.MathArrays;
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.NonMonotonicSequenceException;
-import org.apache.commons.math3.exception.NumberIsTooSmallException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
+import org.apache.commons.math4.analysis.UnivariateFunction;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.NonMonotonicSequenceException;
+import org.apache.commons.math4.exception.NumberIsTooSmallException;
+import org.apache.commons.math4.exception.util.LocalizedFormats;
+import org.apache.commons.math4.util.FastMath;
+import org.apache.commons.math4.util.MathArrays;
 
 /**
  * Implements the representation of a real polynomial function in
@@ -90,7 +90,7 @@ public class PolynomialFunctionLagrangeForm implements UnivariateFunction {
      * @return the function value.
      * @throws DimensionMismatchException if {@code x} and {@code y} have
      * different lengths.
-     * @throws org.apache.commons.math3.exception.NonMonotonicSequenceException
+     * @throws org.apache.commons.math4.exception.NonMonotonicSequenceException
      * if {@code x} is not sorted in strictly increasing order.
      * @throws NumberIsTooSmallException if the size of {@code x} is less
      * than 2.
@@ -198,7 +198,7 @@ public class PolynomialFunctionLagrangeForm implements UnivariateFunction {
      * @return the function value.
      * @throws DimensionMismatchException if {@code x} and {@code y} have
      * different lengths.
-     * @throws org.apache.commons.math3.exception.NonMonotonicSequenceException
+     * @throws org.apache.commons.math4.exception.NonMonotonicSequenceException
      * if {@code x} is not sorted in strictly increasing order.
      * @throws NumberIsTooSmallException if the size of {@code x} is less
      * than 2.
@@ -304,7 +304,7 @@ public class PolynomialFunctionLagrangeForm implements UnivariateFunction {
      * @param abort Whether to throw an exception if {@code x} is not sorted.
      * @throws DimensionMismatchException if the array lengths are different.
      * @throws NumberIsTooSmallException if the number of points is less than 2.
-     * @throws org.apache.commons.math3.exception.NonMonotonicSequenceException
+     * @throws org.apache.commons.math4.exception.NonMonotonicSequenceException
      * if {@code x} is not sorted in strictly increasing order and {@code abort}
      * is {@code true}.
      * @return {@code false} if the {@code x} is not sorted in increasing order,

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/polynomials/PolynomialFunctionNewtonForm.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/polynomials/PolynomialFunctionNewtonForm.java b/src/main/java/org/apache/commons/math4/analysis/polynomials/PolynomialFunctionNewtonForm.java
index fc2f1fd..a87eee8 100644
--- a/src/main/java/org/apache/commons/math4/analysis/polynomials/PolynomialFunctionNewtonForm.java
+++ b/src/main/java/org/apache/commons/math4/analysis/polynomials/PolynomialFunctionNewtonForm.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.polynomials;
+package org.apache.commons.math4.analysis.polynomials;
 
-import org.apache.commons.math3.analysis.differentiation.DerivativeStructure;
-import org.apache.commons.math3.analysis.differentiation.UnivariateDifferentiableFunction;
-import org.apache.commons.math3.exception.DimensionMismatchException;
-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.MathUtils;
+import org.apache.commons.math4.analysis.differentiation.DerivativeStructure;
+import org.apache.commons.math4.analysis.differentiation.UnivariateDifferentiableFunction;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+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.MathUtils;
 
 /**
  * Implements the representation of a real polynomial function in
@@ -226,7 +226,7 @@ public class PolynomialFunctionNewtonForm implements UnivariateDifferentiableFun
      * @throws NoDataException if any array has zero length.
      * @throws DimensionMismatchException if the size difference between
      * {@code a} and {@code c} is not equal to 1.
-     * @see org.apache.commons.math3.analysis.interpolation.DividedDifferenceInterpolator#computeDividedDifference(double[],
+     * @see org.apache.commons.math4.analysis.interpolation.DividedDifferenceInterpolator#computeDividedDifference(double[],
      * double[])
      */
     protected static void verifyInputArray(double a[], double c[])

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/polynomials/PolynomialSplineFunction.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/polynomials/PolynomialSplineFunction.java b/src/main/java/org/apache/commons/math4/analysis/polynomials/PolynomialSplineFunction.java
index 7b402e5..8bf1aaa 100644
--- a/src/main/java/org/apache/commons/math4/analysis/polynomials/PolynomialSplineFunction.java
+++ b/src/main/java/org/apache/commons/math4/analysis/polynomials/PolynomialSplineFunction.java
@@ -14,21 +14,21 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis.polynomials;
+package org.apache.commons.math4.analysis.polynomials;
 
 import java.util.Arrays;
 
-import org.apache.commons.math3.util.MathArrays;
-import org.apache.commons.math3.analysis.DifferentiableUnivariateFunction;
-import org.apache.commons.math3.analysis.UnivariateFunction;
-import org.apache.commons.math3.analysis.differentiation.DerivativeStructure;
-import org.apache.commons.math3.analysis.differentiation.UnivariateDifferentiableFunction;
-import org.apache.commons.math3.exception.NonMonotonicSequenceException;
-import org.apache.commons.math3.exception.OutOfRangeException;
-import org.apache.commons.math3.exception.NumberIsTooSmallException;
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.exception.util.LocalizedFormats;
+import org.apache.commons.math4.analysis.DifferentiableUnivariateFunction;
+import org.apache.commons.math4.analysis.UnivariateFunction;
+import org.apache.commons.math4.analysis.differentiation.DerivativeStructure;
+import org.apache.commons.math4.analysis.differentiation.UnivariateDifferentiableFunction;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.NonMonotonicSequenceException;
+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;
 
 /**
  * Represents a polynomial spline function.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/polynomials/PolynomialsUtils.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/polynomials/PolynomialsUtils.java b/src/main/java/org/apache/commons/math4/analysis/polynomials/PolynomialsUtils.java
index e6eccef..5416e19 100644
--- a/src/main/java/org/apache/commons/math4/analysis/polynomials/PolynomialsUtils.java
+++ b/src/main/java/org/apache/commons/math4/analysis/polynomials/PolynomialsUtils.java
@@ -14,16 +14,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis.polynomials;
+package org.apache.commons.math4.analysis.polynomials;
 
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
-import org.apache.commons.math3.fraction.BigFraction;
-import org.apache.commons.math3.util.CombinatoricsUtils;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.fraction.BigFraction;
+import org.apache.commons.math4.util.CombinatoricsUtils;
+import org.apache.commons.math4.util.FastMath;
 
 /**
  * A collection of static methods that operate on or return polynomials.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/polynomials/package-info.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/polynomials/package-info.java b/src/main/java/org/apache/commons/math4/analysis/polynomials/package-info.java
index 85b99f7..8c8232c 100644
--- a/src/main/java/org/apache/commons/math4/analysis/polynomials/package-info.java
+++ b/src/main/java/org/apache/commons/math4/analysis/polynomials/package-info.java
@@ -20,4 +20,4 @@
  *     univariate real functions.
  *
  */
-package org.apache.commons.math3.analysis.polynomials;
+package org.apache.commons.math4.analysis.polynomials;

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/solvers/AbstractDifferentiableUnivariateSolver.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/solvers/AbstractDifferentiableUnivariateSolver.java b/src/main/java/org/apache/commons/math4/analysis/solvers/AbstractDifferentiableUnivariateSolver.java
index d0fda00..1fba119 100644
--- a/src/main/java/org/apache/commons/math4/analysis/solvers/AbstractDifferentiableUnivariateSolver.java
+++ b/src/main/java/org/apache/commons/math4/analysis/solvers/AbstractDifferentiableUnivariateSolver.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.analysis.UnivariateFunction;
-import org.apache.commons.math3.exception.TooManyEvaluationsException;
+import org.apache.commons.math4.analysis.DifferentiableUnivariateFunction;
+import org.apache.commons.math4.analysis.UnivariateFunction;
+import org.apache.commons.math4.exception.TooManyEvaluationsException;
 
 /**
  * Provide a default implementation for several functions useful to generic

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/solvers/AbstractPolynomialSolver.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/solvers/AbstractPolynomialSolver.java b/src/main/java/org/apache/commons/math4/analysis/solvers/AbstractPolynomialSolver.java
index d641e87..ec25f98 100644
--- a/src/main/java/org/apache/commons/math4/analysis/solvers/AbstractPolynomialSolver.java
+++ b/src/main/java/org/apache/commons/math4/analysis/solvers/AbstractPolynomialSolver.java
@@ -15,9 +15,9 @@
  * 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;
 
 /**
  * Base class for solvers.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/solvers/AbstractUnivariateDifferentiableSolver.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/solvers/AbstractUnivariateDifferentiableSolver.java b/src/main/java/org/apache/commons/math4/analysis/solvers/AbstractUnivariateDifferentiableSolver.java
index 9745e9b..50a1ac0 100644
--- a/src/main/java/org/apache/commons/math4/analysis/solvers/AbstractUnivariateDifferentiableSolver.java
+++ b/src/main/java/org/apache/commons/math4/analysis/solvers/AbstractUnivariateDifferentiableSolver.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.differentiation.DerivativeStructure;
-import org.apache.commons.math3.analysis.differentiation.UnivariateDifferentiableFunction;
-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;
 
 /**
  * Provide a default implementation for several functions useful to generic

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/solvers/AbstractUnivariateSolver.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/solvers/AbstractUnivariateSolver.java b/src/main/java/org/apache/commons/math4/analysis/solvers/AbstractUnivariateSolver.java
index 078c70f..ebc8cb3 100644
--- a/src/main/java/org/apache/commons/math4/analysis/solvers/AbstractUnivariateSolver.java
+++ b/src/main/java/org/apache/commons/math4/analysis/solvers/AbstractUnivariateSolver.java
@@ -15,9 +15,9 @@
  * 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;
 
 /**
  * Base class for solvers.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/solvers/AllowedSolution.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/solvers/AllowedSolution.java b/src/main/java/org/apache/commons/math4/analysis/solvers/AllowedSolution.java
index a02a29b..61d5c03 100644
--- a/src/main/java/org/apache/commons/math4/analysis/solvers/AllowedSolution.java
+++ b/src/main/java/org/apache/commons/math4/analysis/solvers/AllowedSolution.java
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.analysis.solvers;
+package org.apache.commons.math4.analysis.solvers;
 
 
 /** The kinds of solutions that a {@link BracketedUnivariateSolver
@@ -29,8 +29,8 @@ package org.apache.commons.math3.analysis.solvers;
  * or slightly larger than the actual root. Root-finding algorithms generally
  * only guarantee that the returned solution is within the requested
  * tolerances. In certain cases however, in particular for
- * {@link org.apache.commons.math3.ode.events.EventHandler state events} of
- * {@link org.apache.commons.math3.ode.ODEIntegrator ODE solvers}, it
+ * {@link org.apache.commons.math4.ode.events.EventHandler state events} of
+ * {@link org.apache.commons.math4.ode.ODEIntegrator ODE solvers}, it
  * may be necessary to guarantee that a solution is returned that lies on a
  * specific side the solution.</p>
  *

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/solvers/BaseAbstractUnivariateSolver.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/solvers/BaseAbstractUnivariateSolver.java b/src/main/java/org/apache/commons/math4/analysis/solvers/BaseAbstractUnivariateSolver.java
index 4fb9ecf..f74e860 100644
--- a/src/main/java/org/apache/commons/math4/analysis/solvers/BaseAbstractUnivariateSolver.java
+++ b/src/main/java/org/apache/commons/math4/analysis/solvers/BaseAbstractUnivariateSolver.java
@@ -15,16 +15,16 @@
  * 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.math3.exception.MaxCountExceededException;
-import org.apache.commons.math3.exception.NoBracketingException;
-import org.apache.commons.math3.exception.TooManyEvaluationsException;
-import org.apache.commons.math3.exception.NumberIsTooLargeException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.util.Incrementor;
-import org.apache.commons.math3.util.MathUtils;
+import org.apache.commons.math4.analysis.UnivariateFunction;
+import org.apache.commons.math4.exception.MaxCountExceededException;
+import org.apache.commons.math4.exception.NoBracketingException;
+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.util.Incrementor;
+import org.apache.commons.math4.util.MathUtils;
 
 /**
  * Provide a default implementation for several functions useful to generic

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/solvers/BaseSecantSolver.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/solvers/BaseSecantSolver.java b/src/main/java/org/apache/commons/math4/analysis/solvers/BaseSecantSolver.java
index 44a2173..076fe7e 100644
--- a/src/main/java/org/apache/commons/math4/analysis/solvers/BaseSecantSolver.java
+++ b/src/main/java/org/apache/commons/math4/analysis/solvers/BaseSecantSolver.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.util.FastMath;
-import org.apache.commons.math3.analysis.UnivariateFunction;
-import org.apache.commons.math3.exception.ConvergenceException;
-import org.apache.commons.math3.exception.MathInternalError;
+import org.apache.commons.math4.analysis.UnivariateFunction;
+import org.apache.commons.math4.exception.ConvergenceException;
+import org.apache.commons.math4.exception.MathInternalError;
+import org.apache.commons.math4.util.FastMath;
 
 /**
  * Base class for all bracketing <em>Secant</em>-based methods for root-finding

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/solvers/BaseUnivariateSolver.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/solvers/BaseUnivariateSolver.java b/src/main/java/org/apache/commons/math4/analysis/solvers/BaseUnivariateSolver.java
index f00590e..d5b90dc 100644
--- a/src/main/java/org/apache/commons/math4/analysis/solvers/BaseUnivariateSolver.java
+++ b/src/main/java/org/apache/commons/math4/analysis/solvers/BaseUnivariateSolver.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.analysis.UnivariateFunction;
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.TooManyEvaluationsException;
+import org.apache.commons.math4.analysis.UnivariateFunction;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.TooManyEvaluationsException;
 
 
 /**
@@ -133,9 +133,9 @@ public interface BaseUnivariateSolver<FUNC extends UnivariateFunction> {
      * @param startValue Start value to use.
      * @return a value where the function is zero.
      * @param maxEval Maximum number of evaluations.
-     * @throws org.apache.commons.math3.exception.MathIllegalArgumentException
+     * @throws org.apache.commons.math4.exception.MathIllegalArgumentException
      * if the arguments do not satisfy the requirements specified by the solver.
-     * @throws org.apache.commons.math3.exception.TooManyEvaluationsException if
+     * @throws org.apache.commons.math4.exception.TooManyEvaluationsException if
      * the allowed number of evaluations is exceeded.
      */
     double solve(int maxEval, FUNC f, double startValue);

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/solvers/BisectionSolver.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/solvers/BisectionSolver.java b/src/main/java/org/apache/commons/math4/analysis/solvers/BisectionSolver.java
index 49f4057..658c2a0 100644
--- a/src/main/java/org/apache/commons/math4/analysis/solvers/BisectionSolver.java
+++ b/src/main/java/org/apache/commons/math4/analysis/solvers/BisectionSolver.java
@@ -14,10 +14,10 @@
  * 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.TooManyEvaluationsException;
+import org.apache.commons.math4.exception.TooManyEvaluationsException;
+import org.apache.commons.math4.util.FastMath;
 
 /**
  * Implements the <a href="http://mathworld.wolfram.com/Bisection.html">

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/solvers/BracketedUnivariateSolver.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/solvers/BracketedUnivariateSolver.java b/src/main/java/org/apache/commons/math4/analysis/solvers/BracketedUnivariateSolver.java
index 789fc99..60e8a25 100644
--- a/src/main/java/org/apache/commons/math4/analysis/solvers/BracketedUnivariateSolver.java
+++ b/src/main/java/org/apache/commons/math4/analysis/solvers/BracketedUnivariateSolver.java
@@ -15,9 +15,9 @@
  * 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;
 
 /** Interface for {@link UnivariateSolver (univariate real) root-finding
  * algorithms} that maintain a bracketed solution. There are several advantages
@@ -59,9 +59,9 @@ public interface BracketedUnivariateSolver<FUNC extends UnivariateFunction>
      * @param allowedSolution The kind of solutions that the root-finding algorithm may
      * accept as solutions.
      * @return A value where the function is zero.
-     * @throws org.apache.commons.math3.exception.MathIllegalArgumentException
+     * @throws org.apache.commons.math4.exception.MathIllegalArgumentException
      * if the arguments do not satisfy the requirements specified by the solver.
-     * @throws org.apache.commons.math3.exception.TooManyEvaluationsException if
+     * @throws org.apache.commons.math4.exception.TooManyEvaluationsException if
      * the allowed number of evaluations is exceeded.
      */
     double solve(int maxEval, FUNC f, double min, double max,
@@ -81,9 +81,9 @@ public interface BracketedUnivariateSolver<FUNC extends UnivariateFunction>
      * @param allowedSolution The kind of solutions that the root-finding algorithm may
      * accept as solutions.
      * @return A value where the function is zero.
-     * @throws org.apache.commons.math3.exception.MathIllegalArgumentException
+     * @throws org.apache.commons.math4.exception.MathIllegalArgumentException
      * if the arguments do not satisfy the requirements specified by the solver.
-     * @throws org.apache.commons.math3.exception.TooManyEvaluationsException if
+     * @throws org.apache.commons.math4.exception.TooManyEvaluationsException if
      * the allowed number of evaluations is exceeded.
      */
     double solve(int maxEval, FUNC f, double min, double max, double startValue,

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/solvers/BracketingNthOrderBrentSolver.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/solvers/BracketingNthOrderBrentSolver.java b/src/main/java/org/apache/commons/math4/analysis/solvers/BracketingNthOrderBrentSolver.java
index 4981592..4bb46d2 100644
--- a/src/main/java/org/apache/commons/math4/analysis/solvers/BracketingNthOrderBrentSolver.java
+++ b/src/main/java/org/apache/commons/math4/analysis/solvers/BracketingNthOrderBrentSolver.java
@@ -14,17 +14,17 @@
  * 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.math3.exception.MathInternalError;
-import org.apache.commons.math3.exception.NoBracketingException;
-import org.apache.commons.math3.exception.NumberIsTooSmallException;
-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.math3.util.Precision;
+import org.apache.commons.math4.analysis.UnivariateFunction;
+import org.apache.commons.math4.exception.MathInternalError;
+import org.apache.commons.math4.exception.NoBracketingException;
+import org.apache.commons.math4.exception.NumberIsTooLargeException;
+import org.apache.commons.math4.exception.NumberIsTooSmallException;
+import org.apache.commons.math4.exception.TooManyEvaluationsException;
+import org.apache.commons.math4.util.FastMath;
+import org.apache.commons.math4.util.Precision;
 
 /**
  * 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/analysis/solvers/BrentSolver.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/solvers/BrentSolver.java b/src/main/java/org/apache/commons/math4/analysis/solvers/BrentSolver.java
index 0cc8750..0d2afee 100644
--- a/src/main/java/org/apache/commons/math4/analysis/solvers/BrentSolver.java
+++ b/src/main/java/org/apache/commons/math4/analysis/solvers/BrentSolver.java
@@ -14,14 +14,14 @@
  * 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.TooManyEvaluationsException;
-import org.apache.commons.math3.exception.NumberIsTooLargeException;
-import org.apache.commons.math3.util.FastMath;
-import org.apache.commons.math3.util.Precision;
+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;
+import org.apache.commons.math4.util.Precision;
 
 /**
  * This class implements the <a href="http://mathworld.wolfram.com/BrentsMethod.html">

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/main/java/org/apache/commons/math4/analysis/solvers/DifferentiableUnivariateSolver.java
----------------------------------------------------------------------
diff --git a/src/main/java/org/apache/commons/math4/analysis/solvers/DifferentiableUnivariateSolver.java b/src/main/java/org/apache/commons/math4/analysis/solvers/DifferentiableUnivariateSolver.java
index b9ae158..09a1d20 100644
--- a/src/main/java/org/apache/commons/math4/analysis/solvers/DifferentiableUnivariateSolver.java
+++ b/src/main/java/org/apache/commons/math4/analysis/solvers/DifferentiableUnivariateSolver.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.DifferentiableUnivariateFunction;
+import org.apache.commons.math4.analysis.DifferentiableUnivariateFunction;
 
 
 /**


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