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From t.@apache.org
Subject [62/82] [math] Update for next development iteration: commons-math4
Date Mon, 16 Feb 2015 22:40:32 GMT
http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/QuinticFunction.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/QuinticFunction.java b/src/test/java/org/apache/commons/math4/analysis/QuinticFunction.java
index f6010e0..5339436 100644
--- a/src/test/java/org/apache/commons/math4/analysis/QuinticFunction.java
+++ b/src/test/java/org/apache/commons/math4/analysis/QuinticFunction.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;
+package org.apache.commons.math4.analysis;
 
-import org.apache.commons.math3.analysis.differentiation.DerivativeStructure;
-import org.apache.commons.math3.analysis.differentiation.UnivariateDifferentiableFunction;
+import org.apache.commons.math4.analysis.differentiation.DerivativeStructure;
+import org.apache.commons.math4.analysis.differentiation.UnivariateDifferentiableFunction;
 
 /**
  * Auxiliary class for testing solvers.
@@ -26,7 +26,7 @@ import org.apache.commons.math3.analysis.differentiation.UnivariateDifferentiabl
 public class QuinticFunction implements UnivariateDifferentiableFunction {
 
     /* Evaluate quintic.
-     * @see org.apache.commons.math3.UnivariateFunction#value(double)
+     * @see org.apache.commons.math4.UnivariateFunction#value(double)
      */
     public double value(double x) {
         return (x-1)*(x-0.5)*x*(x+0.5)*(x+1);

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/SumSincFunction.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/SumSincFunction.java b/src/test/java/org/apache/commons/math4/analysis/SumSincFunction.java
index d2af31a..cb44ab2 100644
--- a/src/test/java/org/apache/commons/math4/analysis/SumSincFunction.java
+++ b/src/test/java/org/apache/commons/math4/analysis/SumSincFunction.java
@@ -14,9 +14,11 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis;
+package org.apache.commons.math4.analysis;
 
-import org.apache.commons.math3.analysis.function.Sinc;
+import org.apache.commons.math4.analysis.MultivariateFunction;
+import org.apache.commons.math4.analysis.UnivariateFunction;
+import org.apache.commons.math4.analysis.function.Sinc;
 
 /**
  * Auxiliary class for testing optimizers.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/XMinus5Function.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/XMinus5Function.java b/src/test/java/org/apache/commons/math4/analysis/XMinus5Function.java
index a5ddc97..61fdc48 100644
--- a/src/test/java/org/apache/commons/math4/analysis/XMinus5Function.java
+++ b/src/test/java/org/apache/commons/math4/analysis/XMinus5Function.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;
+package org.apache.commons.math4.analysis;
 
-import org.apache.commons.math3.analysis.differentiation.DerivativeStructure;
-import org.apache.commons.math3.analysis.differentiation.UnivariateDifferentiableFunction;
+import org.apache.commons.math4.analysis.differentiation.DerivativeStructure;
+import org.apache.commons.math4.analysis.differentiation.UnivariateDifferentiableFunction;
 
 /**
  * Auxiliary class for testing solvers.
@@ -26,7 +26,7 @@ import org.apache.commons.math3.analysis.differentiation.UnivariateDifferentiabl
 public class XMinus5Function implements UnivariateDifferentiableFunction {
 
     /* Evaluate x - 5 fuction.
-     * @see org.apache.commons.math3.UnivariateFunction#value(double)
+     * @see org.apache.commons.math4.UnivariateFunction#value(double)
      */
     public double value(double x) {
         return x - 5;

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/differentiation/DSCompilerTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/differentiation/DSCompilerTest.java b/src/test/java/org/apache/commons/math4/analysis/differentiation/DSCompilerTest.java
index 9d03c29..e54d7a3 100644
--- a/src/test/java/org/apache/commons/math4/analysis/differentiation/DSCompilerTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/differentiation/DSCompilerTest.java
@@ -15,14 +15,15 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.analysis.differentiation;
+package org.apache.commons.math4.analysis.differentiation;
 
 import java.lang.reflect.Field;
 import java.util.HashMap;
 import java.util.Map;
 
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.util.CombinatoricsUtils;
+import org.apache.commons.math4.analysis.differentiation.DSCompiler;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.util.CombinatoricsUtils;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/differentiation/DerivativeStructureTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/differentiation/DerivativeStructureTest.java b/src/test/java/org/apache/commons/math4/analysis/differentiation/DerivativeStructureTest.java
index 39b4d5f..dc251bb 100644
--- a/src/test/java/org/apache/commons/math4/analysis/differentiation/DerivativeStructureTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/differentiation/DerivativeStructureTest.java
@@ -15,20 +15,21 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.analysis.differentiation;
+package org.apache.commons.math4.analysis.differentiation;
 
 import java.util.Arrays;
 import java.util.List;
 
-import org.apache.commons.math3.ExtendedFieldElementAbstractTest;
-import org.apache.commons.math3.TestUtils;
-import org.apache.commons.math3.analysis.polynomials.PolynomialFunction;
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.NumberIsTooLargeException;
-import org.apache.commons.math3.random.Well1024a;
-import org.apache.commons.math3.util.ArithmeticUtils;
-import org.apache.commons.math3.util.CombinatoricsUtils;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.ExtendedFieldElementAbstractTest;
+import org.apache.commons.math4.TestUtils;
+import org.apache.commons.math4.analysis.differentiation.DerivativeStructure;
+import org.apache.commons.math4.analysis.polynomials.PolynomialFunction;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.NumberIsTooLargeException;
+import org.apache.commons.math4.random.Well1024a;
+import org.apache.commons.math4.util.ArithmeticUtils;
+import org.apache.commons.math4.util.CombinatoricsUtils;
+import org.apache.commons.math4.util.FastMath;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/differentiation/FiniteDifferencesDifferentiatorTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/differentiation/FiniteDifferencesDifferentiatorTest.java b/src/test/java/org/apache/commons/math4/analysis/differentiation/FiniteDifferencesDifferentiatorTest.java
index 9702305..acea0d7 100644
--- a/src/test/java/org/apache/commons/math4/analysis/differentiation/FiniteDifferencesDifferentiatorTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/differentiation/FiniteDifferencesDifferentiatorTest.java
@@ -15,20 +15,26 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.analysis.differentiation;
-
-import org.apache.commons.math3.TestUtils;
-import org.apache.commons.math3.analysis.QuinticFunction;
-import org.apache.commons.math3.analysis.UnivariateFunction;
-import org.apache.commons.math3.analysis.UnivariateMatrixFunction;
-import org.apache.commons.math3.analysis.UnivariateVectorFunction;
-import org.apache.commons.math3.analysis.function.Gaussian;
-import org.apache.commons.math3.analysis.function.Sin;
-import org.apache.commons.math3.exception.MathInternalError;
-import org.apache.commons.math3.exception.NotPositiveException;
-import org.apache.commons.math3.exception.NumberIsTooLargeException;
-import org.apache.commons.math3.exception.NumberIsTooSmallException;
-import org.apache.commons.math3.util.FastMath;
+package org.apache.commons.math4.analysis.differentiation;
+
+import org.apache.commons.math4.TestUtils;
+import org.apache.commons.math4.analysis.QuinticFunction;
+import org.apache.commons.math4.analysis.UnivariateFunction;
+import org.apache.commons.math4.analysis.UnivariateMatrixFunction;
+import org.apache.commons.math4.analysis.UnivariateVectorFunction;
+import org.apache.commons.math4.analysis.differentiation.DerivativeStructure;
+import org.apache.commons.math4.analysis.differentiation.FiniteDifferencesDifferentiator;
+import org.apache.commons.math4.analysis.differentiation.UnivariateDifferentiableFunction;
+import org.apache.commons.math4.analysis.differentiation.UnivariateDifferentiableMatrixFunction;
+import org.apache.commons.math4.analysis.differentiation.UnivariateDifferentiableVectorFunction;
+import org.apache.commons.math4.analysis.differentiation.UnivariateFunctionDifferentiator;
+import org.apache.commons.math4.analysis.function.Gaussian;
+import org.apache.commons.math4.analysis.function.Sin;
+import org.apache.commons.math4.exception.MathInternalError;
+import org.apache.commons.math4.exception.NotPositiveException;
+import org.apache.commons.math4.exception.NumberIsTooLargeException;
+import org.apache.commons.math4.exception.NumberIsTooSmallException;
+import org.apache.commons.math4.util.FastMath;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/differentiation/GradientFunctionTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/differentiation/GradientFunctionTest.java b/src/test/java/org/apache/commons/math4/analysis/differentiation/GradientFunctionTest.java
index 7faf9b6..69372e4 100644
--- a/src/test/java/org/apache/commons/math4/analysis/differentiation/GradientFunctionTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/differentiation/GradientFunctionTest.java
@@ -15,12 +15,15 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.analysis.differentiation;
+package org.apache.commons.math4.analysis.differentiation;
 
-import org.apache.commons.math3.TestUtils;
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.TestUtils;
+import org.apache.commons.math4.analysis.differentiation.DerivativeStructure;
+import org.apache.commons.math4.analysis.differentiation.GradientFunction;
+import org.apache.commons.math4.analysis.differentiation.MultivariateDifferentiableFunction;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.util.FastMath;
 import org.junit.Test;
 
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/differentiation/JacobianFunctionTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/differentiation/JacobianFunctionTest.java b/src/test/java/org/apache/commons/math4/analysis/differentiation/JacobianFunctionTest.java
index b7c00fe..d3359c5 100644
--- a/src/test/java/org/apache/commons/math4/analysis/differentiation/JacobianFunctionTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/differentiation/JacobianFunctionTest.java
@@ -15,12 +15,14 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.analysis.differentiation;
+package org.apache.commons.math4.analysis.differentiation;
 
 import org.junit.Assert;
-
-import org.apache.commons.math3.TestUtils;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.TestUtils;
+import org.apache.commons.math4.analysis.differentiation.DerivativeStructure;
+import org.apache.commons.math4.analysis.differentiation.JacobianFunction;
+import org.apache.commons.math4.analysis.differentiation.MultivariateDifferentiableVectorFunction;
+import org.apache.commons.math4.util.FastMath;
 import org.junit.Test;
 
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/differentiation/SparseGradientTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/differentiation/SparseGradientTest.java b/src/test/java/org/apache/commons/math4/analysis/differentiation/SparseGradientTest.java
index 559da87..a82a163 100644
--- a/src/test/java/org/apache/commons/math4/analysis/differentiation/SparseGradientTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/differentiation/SparseGradientTest.java
@@ -14,16 +14,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis.differentiation;
+package org.apache.commons.math4.analysis.differentiation;
 
 import java.util.Arrays;
 import java.util.List;
 
-import org.apache.commons.math3.ExtendedFieldElementAbstractTest;
-import org.apache.commons.math3.TestUtils;
-import org.apache.commons.math3.analysis.polynomials.PolynomialFunction;
-import org.apache.commons.math3.random.Well1024a;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.ExtendedFieldElementAbstractTest;
+import org.apache.commons.math4.TestUtils;
+import org.apache.commons.math4.analysis.differentiation.SparseGradient;
+import org.apache.commons.math4.analysis.polynomials.PolynomialFunction;
+import org.apache.commons.math4.random.Well1024a;
+import org.apache.commons.math4.util.FastMath;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/function/GaussianTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/function/GaussianTest.java b/src/test/java/org/apache/commons/math4/analysis/function/GaussianTest.java
index ef7536d..c3b8574 100644
--- a/src/test/java/org/apache/commons/math4/analysis/function/GaussianTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/function/GaussianTest.java
@@ -15,15 +15,16 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.analysis.function;
-
-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.DimensionMismatchException;
-import org.apache.commons.math3.exception.NotStrictlyPositiveException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.util.FastMath;
+package org.apache.commons.math4.analysis.function;
+
+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.analysis.function.Gaussian;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.NotStrictlyPositiveException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.util.FastMath;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/function/HarmonicOscillatorTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/function/HarmonicOscillatorTest.java b/src/test/java/org/apache/commons/math4/analysis/function/HarmonicOscillatorTest.java
index 99d7137..c195d20 100644
--- a/src/test/java/org/apache/commons/math4/analysis/function/HarmonicOscillatorTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/function/HarmonicOscillatorTest.java
@@ -15,14 +15,15 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.analysis.function;
+package org.apache.commons.math4.analysis.function;
 
-import org.apache.commons.math3.analysis.UnivariateFunction;
-import org.apache.commons.math3.analysis.differentiation.DerivativeStructure;
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.NullArgumentException;
-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.analysis.differentiation.DerivativeStructure;
+import org.apache.commons.math4.analysis.function.HarmonicOscillator;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.util.FastMath;
+import org.apache.commons.math4.util.Precision;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/function/LogisticTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/function/LogisticTest.java b/src/test/java/org/apache/commons/math4/analysis/function/LogisticTest.java
index f721719..61c1384 100644
--- a/src/test/java/org/apache/commons/math4/analysis/function/LogisticTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/function/LogisticTest.java
@@ -15,15 +15,16 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.analysis.function;
-
-import org.apache.commons.math3.analysis.UnivariateFunction;
-import org.apache.commons.math3.analysis.differentiation.DerivativeStructure;
-import org.apache.commons.math3.exception.NotStrictlyPositiveException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.util.FastMath;
-
+package org.apache.commons.math4.analysis.function;
+
+import org.apache.commons.math4.analysis.UnivariateFunction;
+import org.apache.commons.math4.analysis.differentiation.DerivativeStructure;
+import org.apache.commons.math4.analysis.function.Logistic;
+import org.apache.commons.math4.analysis.function.Sigmoid;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.NotStrictlyPositiveException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.util.FastMath;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/function/LogitTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/function/LogitTest.java b/src/test/java/org/apache/commons/math4/analysis/function/LogitTest.java
index e38265d..9639fa8 100644
--- a/src/test/java/org/apache/commons/math4/analysis/function/LogitTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/function/LogitTest.java
@@ -15,19 +15,20 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.analysis.function;
-
-import org.apache.commons.math3.analysis.UnivariateFunction;
-import org.apache.commons.math3.analysis.FunctionUtils;
-import org.apache.commons.math3.analysis.differentiation.DerivativeStructure;
-import org.apache.commons.math3.analysis.differentiation.UnivariateDifferentiableFunction;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.OutOfRangeException;
-import org.apache.commons.math3.random.RandomGenerator;
-import org.apache.commons.math3.random.Well1024a;
-import org.apache.commons.math3.util.FastMath;
-
+package org.apache.commons.math4.analysis.function;
+
+import org.apache.commons.math4.analysis.FunctionUtils;
+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.analysis.function.Logit;
+import org.apache.commons.math4.analysis.function.Sigmoid;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.exception.OutOfRangeException;
+import org.apache.commons.math4.random.RandomGenerator;
+import org.apache.commons.math4.random.Well1024a;
+import org.apache.commons.math4.util.FastMath;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/function/SigmoidTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/function/SigmoidTest.java b/src/test/java/org/apache/commons/math4/analysis/function/SigmoidTest.java
index 59f6312..b9f458b 100644
--- a/src/test/java/org/apache/commons/math4/analysis/function/SigmoidTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/function/SigmoidTest.java
@@ -15,13 +15,13 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.analysis.function;
-
-import org.apache.commons.math3.analysis.UnivariateFunction;
-import org.apache.commons.math3.analysis.differentiation.DerivativeStructure;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.exception.DimensionMismatchException;
+package org.apache.commons.math4.analysis.function;
 
+import org.apache.commons.math4.analysis.UnivariateFunction;
+import org.apache.commons.math4.analysis.differentiation.DerivativeStructure;
+import org.apache.commons.math4.analysis.function.Sigmoid;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.NullArgumentException;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/function/SincTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/function/SincTest.java b/src/test/java/org/apache/commons/math4/analysis/function/SincTest.java
index d5d37f8..864f76e 100644
--- a/src/test/java/org/apache/commons/math4/analysis/function/SincTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/function/SincTest.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.function;
+package org.apache.commons.math4.analysis.function;
 
-import org.apache.commons.math3.analysis.UnivariateFunction;
-import org.apache.commons.math3.analysis.differentiation.DerivativeStructure;
-import org.apache.commons.math3.dfp.Dfp;
-import org.apache.commons.math3.dfp.DfpField;
-import org.apache.commons.math3.dfp.DfpMath;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.analysis.UnivariateFunction;
+import org.apache.commons.math4.analysis.differentiation.DerivativeStructure;
+import org.apache.commons.math4.analysis.function.Sinc;
+import org.apache.commons.math4.dfp.Dfp;
+import org.apache.commons.math4.dfp.DfpField;
+import org.apache.commons.math4.dfp.DfpMath;
+import org.apache.commons.math4.util.FastMath;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/function/SqrtTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/function/SqrtTest.java b/src/test/java/org/apache/commons/math4/analysis/function/SqrtTest.java
index a888977..04d0769 100644
--- a/src/test/java/org/apache/commons/math4/analysis/function/SqrtTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/function/SqrtTest.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.function;
-
-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.util.FastMath;
+package org.apache.commons.math4.analysis.function;
 
+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.analysis.function.Sqrt;
+import org.apache.commons.math4.util.FastMath;
 import org.junit.Test;
 import org.junit.Assert;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/function/StepFunctionTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/function/StepFunctionTest.java b/src/test/java/org/apache/commons/math4/analysis/function/StepFunctionTest.java
index 247a0a9..e6e4bfc 100644
--- a/src/test/java/org/apache/commons/math4/analysis/function/StepFunctionTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/function/StepFunctionTest.java
@@ -15,14 +15,14 @@
  * limitations under the License.
  */
 
-package org.apache.commons.math3.analysis.function;
-
-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.exception.NullArgumentException;
-import org.apache.commons.math3.exception.NoDataException;
+package org.apache.commons.math4.analysis.function;
 
+import org.apache.commons.math4.analysis.UnivariateFunction;
+import org.apache.commons.math4.analysis.function.StepFunction;
+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.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/integration/IterativeLegendreGaussIntegratorTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/integration/IterativeLegendreGaussIntegratorTest.java b/src/test/java/org/apache/commons/math4/analysis/integration/IterativeLegendreGaussIntegratorTest.java
index 7a15a29..e59eb94 100644
--- a/src/test/java/org/apache/commons/math4/analysis/integration/IterativeLegendreGaussIntegratorTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/integration/IterativeLegendreGaussIntegratorTest.java
@@ -14,17 +14,20 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis.integration;
+package org.apache.commons.math4.analysis.integration;
 
 import java.util.Random;
 
-import org.apache.commons.math3.analysis.QuinticFunction;
-import org.apache.commons.math3.analysis.UnivariateFunction;
-import org.apache.commons.math3.analysis.function.Sin;
-import org.apache.commons.math3.analysis.function.Gaussian;
-import org.apache.commons.math3.analysis.polynomials.PolynomialFunction;
-import org.apache.commons.math3.exception.TooManyEvaluationsException;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.analysis.QuinticFunction;
+import org.apache.commons.math4.analysis.UnivariateFunction;
+import org.apache.commons.math4.analysis.function.Gaussian;
+import org.apache.commons.math4.analysis.function.Sin;
+import org.apache.commons.math4.analysis.integration.BaseAbstractUnivariateIntegrator;
+import org.apache.commons.math4.analysis.integration.IterativeLegendreGaussIntegrator;
+import org.apache.commons.math4.analysis.integration.UnivariateIntegrator;
+import org.apache.commons.math4.analysis.polynomials.PolynomialFunction;
+import org.apache.commons.math4.exception.TooManyEvaluationsException;
+import org.apache.commons.math4.util.FastMath;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/integration/LegendreGaussIntegratorTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/integration/LegendreGaussIntegratorTest.java b/src/test/java/org/apache/commons/math4/analysis/integration/LegendreGaussIntegratorTest.java
index c7d48bb..f0b8af0 100644
--- a/src/test/java/org/apache/commons/math4/analysis/integration/LegendreGaussIntegratorTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/integration/LegendreGaussIntegratorTest.java
@@ -14,16 +14,19 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis.integration;
+package org.apache.commons.math4.analysis.integration;
 
 import java.util.Random;
 
-import org.apache.commons.math3.analysis.QuinticFunction;
-import org.apache.commons.math3.analysis.UnivariateFunction;
-import org.apache.commons.math3.analysis.function.Sin;
-import org.apache.commons.math3.analysis.polynomials.PolynomialFunction;
-import org.apache.commons.math3.exception.TooManyEvaluationsException;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.analysis.QuinticFunction;
+import org.apache.commons.math4.analysis.UnivariateFunction;
+import org.apache.commons.math4.analysis.function.Sin;
+import org.apache.commons.math4.analysis.integration.BaseAbstractUnivariateIntegrator;
+import org.apache.commons.math4.analysis.integration.LegendreGaussIntegrator;
+import org.apache.commons.math4.analysis.integration.UnivariateIntegrator;
+import org.apache.commons.math4.analysis.polynomials.PolynomialFunction;
+import org.apache.commons.math4.exception.TooManyEvaluationsException;
+import org.apache.commons.math4.util.FastMath;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/integration/MidPointIntegratorTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/integration/MidPointIntegratorTest.java b/src/test/java/org/apache/commons/math4/analysis/integration/MidPointIntegratorTest.java
index 36daa3e..afd590a 100644
--- a/src/test/java/org/apache/commons/math4/analysis/integration/MidPointIntegratorTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/integration/MidPointIntegratorTest.java
@@ -14,14 +14,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis.integration;
+package org.apache.commons.math4.analysis.integration;
 
-import org.apache.commons.math3.analysis.QuinticFunction;
-import org.apache.commons.math3.analysis.UnivariateFunction;
-import org.apache.commons.math3.analysis.function.Sin;
-import org.apache.commons.math3.exception.NumberIsTooLargeException;
-import org.apache.commons.math3.exception.NumberIsTooSmallException;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.analysis.QuinticFunction;
+import org.apache.commons.math4.analysis.UnivariateFunction;
+import org.apache.commons.math4.analysis.function.Sin;
+import org.apache.commons.math4.analysis.integration.MidPointIntegrator;
+import org.apache.commons.math4.analysis.integration.UnivariateIntegrator;
+import org.apache.commons.math4.exception.NumberIsTooLargeException;
+import org.apache.commons.math4.exception.NumberIsTooSmallException;
+import org.apache.commons.math4.util.FastMath;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/integration/RombergIntegratorTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/integration/RombergIntegratorTest.java b/src/test/java/org/apache/commons/math4/analysis/integration/RombergIntegratorTest.java
index f83f3e6..1e5200e 100644
--- a/src/test/java/org/apache/commons/math4/analysis/integration/RombergIntegratorTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/integration/RombergIntegratorTest.java
@@ -14,14 +14,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis.integration;
+package org.apache.commons.math4.analysis.integration;
 
-import org.apache.commons.math3.analysis.QuinticFunction;
-import org.apache.commons.math3.analysis.UnivariateFunction;
-import org.apache.commons.math3.analysis.function.Sin;
-import org.apache.commons.math3.exception.NumberIsTooLargeException;
-import org.apache.commons.math3.exception.NumberIsTooSmallException;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.analysis.QuinticFunction;
+import org.apache.commons.math4.analysis.UnivariateFunction;
+import org.apache.commons.math4.analysis.function.Sin;
+import org.apache.commons.math4.analysis.integration.RombergIntegrator;
+import org.apache.commons.math4.analysis.integration.UnivariateIntegrator;
+import org.apache.commons.math4.exception.NumberIsTooLargeException;
+import org.apache.commons.math4.exception.NumberIsTooSmallException;
+import org.apache.commons.math4.util.FastMath;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/integration/SimpsonIntegratorTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/integration/SimpsonIntegratorTest.java b/src/test/java/org/apache/commons/math4/analysis/integration/SimpsonIntegratorTest.java
index b80e7e8..22947b3 100644
--- a/src/test/java/org/apache/commons/math4/analysis/integration/SimpsonIntegratorTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/integration/SimpsonIntegratorTest.java
@@ -14,14 +14,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis.integration;
+package org.apache.commons.math4.analysis.integration;
 
-import org.apache.commons.math3.analysis.QuinticFunction;
-import org.apache.commons.math3.analysis.UnivariateFunction;
-import org.apache.commons.math3.analysis.function.Sin;
-import org.apache.commons.math3.exception.NumberIsTooLargeException;
-import org.apache.commons.math3.exception.NumberIsTooSmallException;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.analysis.QuinticFunction;
+import org.apache.commons.math4.analysis.UnivariateFunction;
+import org.apache.commons.math4.analysis.function.Sin;
+import org.apache.commons.math4.analysis.integration.SimpsonIntegrator;
+import org.apache.commons.math4.analysis.integration.UnivariateIntegrator;
+import org.apache.commons.math4.exception.NumberIsTooLargeException;
+import org.apache.commons.math4.exception.NumberIsTooSmallException;
+import org.apache.commons.math4.util.FastMath;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/integration/TrapezoidIntegratorTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/integration/TrapezoidIntegratorTest.java b/src/test/java/org/apache/commons/math4/analysis/integration/TrapezoidIntegratorTest.java
index b340104..bb21487 100644
--- a/src/test/java/org/apache/commons/math4/analysis/integration/TrapezoidIntegratorTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/integration/TrapezoidIntegratorTest.java
@@ -14,14 +14,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis.integration;
+package org.apache.commons.math4.analysis.integration;
 
-import org.apache.commons.math3.analysis.QuinticFunction;
-import org.apache.commons.math3.analysis.UnivariateFunction;
-import org.apache.commons.math3.analysis.function.Sin;
-import org.apache.commons.math3.exception.NumberIsTooLargeException;
-import org.apache.commons.math3.exception.NumberIsTooSmallException;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.analysis.QuinticFunction;
+import org.apache.commons.math4.analysis.UnivariateFunction;
+import org.apache.commons.math4.analysis.function.Sin;
+import org.apache.commons.math4.analysis.integration.TrapezoidIntegrator;
+import org.apache.commons.math4.analysis.integration.UnivariateIntegrator;
+import org.apache.commons.math4.exception.NumberIsTooLargeException;
+import org.apache.commons.math4.exception.NumberIsTooSmallException;
+import org.apache.commons.math4.util.FastMath;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/integration/gauss/BaseRuleFactoryTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/integration/gauss/BaseRuleFactoryTest.java b/src/test/java/org/apache/commons/math4/analysis/integration/gauss/BaseRuleFactoryTest.java
index 0511141..89c05de 100644
--- a/src/test/java/org/apache/commons/math4/analysis/integration/gauss/BaseRuleFactoryTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/integration/gauss/BaseRuleFactoryTest.java
@@ -14,7 +14,7 @@
  * 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 java.util.List;
 import java.util.ArrayList;
@@ -25,7 +25,9 @@ import java.util.concurrent.Callable;
 import java.util.concurrent.Future;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.atomic.AtomicInteger;
-import org.apache.commons.math3.util.Pair;
+
+import org.apache.commons.math4.analysis.integration.gauss.BaseRuleFactory;
+import org.apache.commons.math4.util.Pair;
 import org.junit.Test;
 import org.junit.Assert;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/integration/gauss/GaussIntegratorTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/integration/gauss/GaussIntegratorTest.java b/src/test/java/org/apache/commons/math4/analysis/integration/gauss/GaussIntegratorTest.java
index 459106c..8270d3b 100644
--- a/src/test/java/org/apache/commons/math4/analysis/integration/gauss/GaussIntegratorTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/integration/gauss/GaussIntegratorTest.java
@@ -14,11 +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.analysis.function.Constant;
-import org.apache.commons.math3.util.Pair;
+import org.apache.commons.math4.analysis.UnivariateFunction;
+import org.apache.commons.math4.analysis.function.Constant;
+import org.apache.commons.math4.analysis.integration.gauss.GaussIntegrator;
+import org.apache.commons.math4.util.Pair;
 import org.junit.Test;
 import org.junit.Assert;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/integration/gauss/GaussianQuadratureAbstractTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/integration/gauss/GaussianQuadratureAbstractTest.java b/src/test/java/org/apache/commons/math4/analysis/integration/gauss/GaussianQuadratureAbstractTest.java
index 9ff9076..10d9bc4 100644
--- a/src/test/java/org/apache/commons/math4/analysis/integration/gauss/GaussianQuadratureAbstractTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/integration/gauss/GaussianQuadratureAbstractTest.java
@@ -14,10 +14,11 @@
  * 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.function.Power;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.analysis.function.Power;
+import org.apache.commons.math4.analysis.integration.gauss.GaussIntegrator;
+import org.apache.commons.math4.util.FastMath;
 import org.junit.Test;
 import org.junit.Assert;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/integration/gauss/HermiteParametricTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/integration/gauss/HermiteParametricTest.java b/src/test/java/org/apache/commons/math4/analysis/integration/gauss/HermiteParametricTest.java
index e2b15c2..8eb304f 100644
--- a/src/test/java/org/apache/commons/math4/analysis/integration/gauss/HermiteParametricTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/integration/gauss/HermiteParametricTest.java
@@ -14,7 +14,7 @@
  * 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 java.util.ArrayList;
 import java.util.Collection;
@@ -22,7 +22,9 @@ import java.util.Collection;
 import org.junit.runner.RunWith;
 import org.junit.runners.Parameterized;
 import org.junit.runners.Parameterized.Parameters;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.analysis.integration.gauss.GaussIntegratorFactory;
+import org.apache.commons.math4.analysis.integration.gauss.HermiteRuleFactory;
+import org.apache.commons.math4.util.FastMath;
 
 /**
  * Test of the {@link HermiteRuleFactory}.

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/integration/gauss/HermiteTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/integration/gauss/HermiteTest.java b/src/test/java/org/apache/commons/math4/analysis/integration/gauss/HermiteTest.java
index 659ac78..b140443 100644
--- a/src/test/java/org/apache/commons/math4/analysis/integration/gauss/HermiteTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/integration/gauss/HermiteTest.java
@@ -14,10 +14,13 @@
  * 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.util.FastMath;
+import org.apache.commons.math4.analysis.UnivariateFunction;
+import org.apache.commons.math4.analysis.integration.gauss.GaussIntegrator;
+import org.apache.commons.math4.analysis.integration.gauss.GaussIntegratorFactory;
+import org.apache.commons.math4.analysis.integration.gauss.HermiteRuleFactory;
+import org.apache.commons.math4.util.FastMath;
 import org.junit.Test;
 import org.junit.Assert;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/integration/gauss/LegendreHighPrecisionParametricTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/integration/gauss/LegendreHighPrecisionParametricTest.java b/src/test/java/org/apache/commons/math4/analysis/integration/gauss/LegendreHighPrecisionParametricTest.java
index c545a5f..976488f 100644
--- a/src/test/java/org/apache/commons/math4/analysis/integration/gauss/LegendreHighPrecisionParametricTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/integration/gauss/LegendreHighPrecisionParametricTest.java
@@ -14,11 +14,13 @@
  * 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 java.util.ArrayList;
 import java.util.Collection;
 
+import org.apache.commons.math4.analysis.integration.gauss.GaussIntegratorFactory;
+import org.apache.commons.math4.analysis.integration.gauss.LegendreHighPrecisionRuleFactory;
 import org.junit.runner.RunWith;
 import org.junit.runners.Parameterized;
 import org.junit.runners.Parameterized.Parameters;

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/integration/gauss/LegendreHighPrecisionTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/integration/gauss/LegendreHighPrecisionTest.java b/src/test/java/org/apache/commons/math4/analysis/integration/gauss/LegendreHighPrecisionTest.java
index 17a0c87..acdecdc 100644
--- a/src/test/java/org/apache/commons/math4/analysis/integration/gauss/LegendreHighPrecisionTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/integration/gauss/LegendreHighPrecisionTest.java
@@ -14,12 +14,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis.integration.gauss;
-
-import org.apache.commons.math3.analysis.function.Cos;
-import org.apache.commons.math3.analysis.function.Inverse;
-import org.apache.commons.math3.analysis.function.Log;
-import org.apache.commons.math3.analysis.UnivariateFunction;
+package org.apache.commons.math4.analysis.integration.gauss;
+
+import org.apache.commons.math4.analysis.UnivariateFunction;
+import org.apache.commons.math4.analysis.function.Cos;
+import org.apache.commons.math4.analysis.function.Inverse;
+import org.apache.commons.math4.analysis.function.Log;
+import org.apache.commons.math4.analysis.integration.gauss.GaussIntegrator;
+import org.apache.commons.math4.analysis.integration.gauss.GaussIntegratorFactory;
+import org.apache.commons.math4.analysis.integration.gauss.LegendreHighPrecisionRuleFactory;
 import org.junit.Test;
 import org.junit.Assert;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/integration/gauss/LegendreParametricTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/integration/gauss/LegendreParametricTest.java b/src/test/java/org/apache/commons/math4/analysis/integration/gauss/LegendreParametricTest.java
index a01988c..3f0fc63 100644
--- a/src/test/java/org/apache/commons/math4/analysis/integration/gauss/LegendreParametricTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/integration/gauss/LegendreParametricTest.java
@@ -14,11 +14,13 @@
  * 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 java.util.ArrayList;
 import java.util.Collection;
 
+import org.apache.commons.math4.analysis.integration.gauss.GaussIntegratorFactory;
+import org.apache.commons.math4.analysis.integration.gauss.LegendreRuleFactory;
 import org.junit.runner.RunWith;
 import org.junit.runners.Parameterized;
 import org.junit.runners.Parameterized.Parameters;

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/integration/gauss/LegendreTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/integration/gauss/LegendreTest.java b/src/test/java/org/apache/commons/math4/analysis/integration/gauss/LegendreTest.java
index 2ade4e3..f21753b 100644
--- a/src/test/java/org/apache/commons/math4/analysis/integration/gauss/LegendreTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/integration/gauss/LegendreTest.java
@@ -14,12 +14,15 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.commons.math3.analysis.integration.gauss;
-
-import org.apache.commons.math3.analysis.function.Cos;
-import org.apache.commons.math3.analysis.function.Inverse;
-import org.apache.commons.math3.analysis.function.Log;
-import org.apache.commons.math3.analysis.UnivariateFunction;
+package org.apache.commons.math4.analysis.integration.gauss;
+
+import org.apache.commons.math4.analysis.UnivariateFunction;
+import org.apache.commons.math4.analysis.function.Cos;
+import org.apache.commons.math4.analysis.function.Inverse;
+import org.apache.commons.math4.analysis.function.Log;
+import org.apache.commons.math4.analysis.integration.gauss.GaussIntegrator;
+import org.apache.commons.math4.analysis.integration.gauss.GaussIntegratorFactory;
+import org.apache.commons.math4.analysis.integration.gauss.LegendreRuleFactory;
 import org.junit.Test;
 import org.junit.Assert;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/interpolation/AkimaSplineInterpolatorTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/interpolation/AkimaSplineInterpolatorTest.java b/src/test/java/org/apache/commons/math4/analysis/interpolation/AkimaSplineInterpolatorTest.java
index adf39d6..87fd5b9 100644
--- a/src/test/java/org/apache/commons/math4/analysis/interpolation/AkimaSplineInterpolatorTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/interpolation/AkimaSplineInterpolatorTest.java
@@ -14,18 +14,20 @@
  * 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.UnivariateFunction;
-import org.apache.commons.math3.distribution.UniformRealDistribution;
-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.random.RandomGenerator;
-import org.apache.commons.math3.random.Well19937c;
-import org.apache.commons.math3.util.FastMath;
-import org.apache.commons.math3.util.Precision;
+package org.apache.commons.math4.analysis.interpolation;
+
+import org.apache.commons.math4.analysis.UnivariateFunction;
+import org.apache.commons.math4.analysis.interpolation.AkimaSplineInterpolator;
+import org.apache.commons.math4.analysis.interpolation.UnivariateInterpolator;
+import org.apache.commons.math4.distribution.UniformRealDistribution;
+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.random.RandomGenerator;
+import org.apache.commons.math4.random.Well19937c;
+import org.apache.commons.math4.util.FastMath;
+import org.apache.commons.math4.util.Precision;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/interpolation/BicubicInterpolatingFunctionTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/interpolation/BicubicInterpolatingFunctionTest.java b/src/test/java/org/apache/commons/math4/analysis/interpolation/BicubicInterpolatingFunctionTest.java
index 6d56ed8..dd63a6c 100644
--- a/src/test/java/org/apache/commons/math4/analysis/interpolation/BicubicInterpolatingFunctionTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/interpolation/BicubicInterpolatingFunctionTest.java
@@ -14,17 +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.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.OutOfRangeException;
-import org.apache.commons.math3.analysis.BivariateFunction;
-import org.apache.commons.math3.distribution.UniformRealDistribution;
-import org.apache.commons.math3.random.RandomGenerator;
-import org.apache.commons.math3.random.Well19937c;
-import org.apache.commons.math3.util.FastMath;
-import org.apache.commons.math3.util.Precision;
+package org.apache.commons.math4.analysis.interpolation;
+
+import org.apache.commons.math4.analysis.BivariateFunction;
+import org.apache.commons.math4.analysis.interpolation.BicubicInterpolatingFunction;
+import org.apache.commons.math4.distribution.UniformRealDistribution;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.OutOfRangeException;
+import org.apache.commons.math4.random.RandomGenerator;
+import org.apache.commons.math4.random.Well19937c;
+import org.apache.commons.math4.util.FastMath;
+import org.apache.commons.math4.util.Precision;
 import org.junit.Assert;
 import org.junit.Test;
 import org.junit.Ignore;

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/interpolation/BicubicInterpolatorTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/interpolation/BicubicInterpolatorTest.java b/src/test/java/org/apache/commons/math4/analysis/interpolation/BicubicInterpolatorTest.java
index e2a3550..9d94b03 100644
--- a/src/test/java/org/apache/commons/math4/analysis/interpolation/BicubicInterpolatorTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/interpolation/BicubicInterpolatorTest.java
@@ -14,14 +14,17 @@
  * 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.MathIllegalArgumentException;
-import org.apache.commons.math3.analysis.BivariateFunction;
-import org.apache.commons.math3.distribution.UniformRealDistribution;
-import org.apache.commons.math3.random.RandomGenerator;
-import org.apache.commons.math3.random.Well19937c;
+package org.apache.commons.math4.analysis.interpolation;
+
+import org.apache.commons.math4.analysis.BivariateFunction;
+import org.apache.commons.math4.analysis.interpolation.BicubicInterpolatingFunction;
+import org.apache.commons.math4.analysis.interpolation.BicubicInterpolator;
+import org.apache.commons.math4.analysis.interpolation.BivariateGridInterpolator;
+import org.apache.commons.math4.distribution.UniformRealDistribution;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.random.RandomGenerator;
+import org.apache.commons.math4.random.Well19937c;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/interpolation/BicubicSplineInterpolatingFunctionTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/interpolation/BicubicSplineInterpolatingFunctionTest.java b/src/test/java/org/apache/commons/math4/analysis/interpolation/BicubicSplineInterpolatingFunctionTest.java
index 8c78aed..92bf82b 100644
--- a/src/test/java/org/apache/commons/math4/analysis/interpolation/BicubicSplineInterpolatingFunctionTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/interpolation/BicubicSplineInterpolatingFunctionTest.java
@@ -14,15 +14,17 @@
  * 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.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.OutOfRangeException;
-import org.apache.commons.math3.analysis.BivariateFunction;
-import org.apache.commons.math3.distribution.UniformRealDistribution;
-import org.apache.commons.math3.random.RandomGenerator;
-import org.apache.commons.math3.random.Well19937c;
+package org.apache.commons.math4.analysis.interpolation;
+
+import org.apache.commons.math4.analysis.BivariateFunction;
+import org.apache.commons.math4.analysis.interpolation.BicubicSplineFunction;
+import org.apache.commons.math4.analysis.interpolation.BicubicSplineInterpolatingFunction;
+import org.apache.commons.math4.distribution.UniformRealDistribution;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.OutOfRangeException;
+import org.apache.commons.math4.random.RandomGenerator;
+import org.apache.commons.math4.random.Well19937c;
 import org.junit.Assert;
 import org.junit.Test;
 import org.junit.Ignore;

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/interpolation/BicubicSplineInterpolatorTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/interpolation/BicubicSplineInterpolatorTest.java b/src/test/java/org/apache/commons/math4/analysis/interpolation/BicubicSplineInterpolatorTest.java
index c4a56bb..91f1f66 100644
--- a/src/test/java/org/apache/commons/math4/analysis/interpolation/BicubicSplineInterpolatorTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/interpolation/BicubicSplineInterpolatorTest.java
@@ -14,14 +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 org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.analysis.BivariateFunction;
-import org.apache.commons.math3.distribution.UniformRealDistribution;
-import org.apache.commons.math3.random.RandomGenerator;
-import org.apache.commons.math3.random.Well19937c;
+import org.apache.commons.math4.analysis.BivariateFunction;
+import org.apache.commons.math4.analysis.interpolation.BicubicSplineInterpolator;
+import org.apache.commons.math4.analysis.interpolation.BivariateGridInterpolator;
+import org.apache.commons.math4.distribution.UniformRealDistribution;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.random.RandomGenerator;
+import org.apache.commons.math4.random.Well19937c;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/interpolation/DividedDifferenceInterpolatorTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/interpolation/DividedDifferenceInterpolatorTest.java b/src/test/java/org/apache/commons/math4/analysis/interpolation/DividedDifferenceInterpolatorTest.java
index 9d53f46..7db781a 100644
--- a/src/test/java/org/apache/commons/math4/analysis/interpolation/DividedDifferenceInterpolatorTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/interpolation/DividedDifferenceInterpolatorTest.java
@@ -14,13 +14,15 @@
  * 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.UnivariateFunction;
-import org.apache.commons.math3.analysis.function.Expm1;
-import org.apache.commons.math3.analysis.function.Sin;
-import org.apache.commons.math3.exception.NonMonotonicSequenceException;
-import org.apache.commons.math3.util.FastMath;
+package org.apache.commons.math4.analysis.interpolation;
+
+import org.apache.commons.math4.analysis.UnivariateFunction;
+import org.apache.commons.math4.analysis.function.Expm1;
+import org.apache.commons.math4.analysis.function.Sin;
+import org.apache.commons.math4.analysis.interpolation.DividedDifferenceInterpolator;
+import org.apache.commons.math4.analysis.interpolation.UnivariateInterpolator;
+import org.apache.commons.math4.exception.NonMonotonicSequenceException;
+import org.apache.commons.math4.util.FastMath;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/interpolation/FieldHermiteInterpolatorTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/interpolation/FieldHermiteInterpolatorTest.java b/src/test/java/org/apache/commons/math4/analysis/interpolation/FieldHermiteInterpolatorTest.java
index 2671126..0c3b27b 100644
--- a/src/test/java/org/apache/commons/math4/analysis/interpolation/FieldHermiteInterpolatorTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/interpolation/FieldHermiteInterpolatorTest.java
@@ -14,16 +14,17 @@
  * 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.Random;
 
-import org.apache.commons.math3.analysis.polynomials.PolynomialFunction;
-import org.apache.commons.math3.dfp.Dfp;
-import org.apache.commons.math3.dfp.DfpField;
-import org.apache.commons.math3.exception.NoDataException;
-import org.apache.commons.math3.fraction.BigFraction;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.analysis.interpolation.FieldHermiteInterpolator;
+import org.apache.commons.math4.analysis.polynomials.PolynomialFunction;
+import org.apache.commons.math4.dfp.Dfp;
+import org.apache.commons.math4.dfp.DfpField;
+import org.apache.commons.math4.exception.NoDataException;
+import org.apache.commons.math4.fraction.BigFraction;
+import org.apache.commons.math4.util.FastMath;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/interpolation/HermiteInterpolatorTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/interpolation/HermiteInterpolatorTest.java b/src/test/java/org/apache/commons/math4/analysis/interpolation/HermiteInterpolatorTest.java
index 7cf5a44..8dbb6ac 100644
--- a/src/test/java/org/apache/commons/math4/analysis/interpolation/HermiteInterpolatorTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/interpolation/HermiteInterpolatorTest.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.util.Random;
 
-import org.apache.commons.math3.analysis.differentiation.DerivativeStructure;
-import org.apache.commons.math3.analysis.polynomials.PolynomialFunction;
-import org.apache.commons.math3.exception.NoDataException;
-import org.apache.commons.math3.util.FastMath;
+import org.apache.commons.math4.analysis.differentiation.DerivativeStructure;
+import org.apache.commons.math4.analysis.interpolation.HermiteInterpolator;
+import org.apache.commons.math4.analysis.polynomials.PolynomialFunction;
+import org.apache.commons.math4.exception.NoDataException;
+import org.apache.commons.math4.util.FastMath;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/interpolation/LinearInterpolatorTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/interpolation/LinearInterpolatorTest.java b/src/test/java/org/apache/commons/math4/analysis/interpolation/LinearInterpolatorTest.java
index 3dc3884..38b44aa 100644
--- a/src/test/java/org/apache/commons/math4/analysis/interpolation/LinearInterpolatorTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/interpolation/LinearInterpolatorTest.java
@@ -14,15 +14,17 @@
  * 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.NonMonotonicSequenceException;
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.NumberIsTooSmallException;
-import org.apache.commons.math3.TestUtils;
-import org.apache.commons.math3.analysis.UnivariateFunction;
-import org.apache.commons.math3.analysis.polynomials.PolynomialFunction;
-import org.apache.commons.math3.analysis.polynomials.PolynomialSplineFunction;
+package org.apache.commons.math4.analysis.interpolation;
+
+import org.apache.commons.math4.TestUtils;
+import org.apache.commons.math4.analysis.UnivariateFunction;
+import org.apache.commons.math4.analysis.interpolation.LinearInterpolator;
+import org.apache.commons.math4.analysis.interpolation.UnivariateInterpolator;
+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.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/interpolation/LoessInterpolatorTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/interpolation/LoessInterpolatorTest.java b/src/test/java/org/apache/commons/math4/analysis/interpolation/LoessInterpolatorTest.java
index 7cdea6e..6c3c40f 100644
--- a/src/test/java/org/apache/commons/math4/analysis/interpolation/LoessInterpolatorTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/interpolation/LoessInterpolatorTest.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.interpolation;
-
-import org.apache.commons.math3.util.FastMath;
-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.NonMonotonicSequenceException;
-import org.apache.commons.math3.exception.NotFiniteNumberException;
-import org.apache.commons.math3.exception.NumberIsTooSmallException;
-
+package org.apache.commons.math4.analysis.interpolation;
+
+import org.apache.commons.math4.analysis.interpolation.LoessInterpolator;
+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.NumberIsTooSmallException;
+import org.apache.commons.math4.exception.OutOfRangeException;
+import org.apache.commons.math4.util.FastMath;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/interpolation/MicrosphereInterpolatorTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/interpolation/MicrosphereInterpolatorTest.java b/src/test/java/org/apache/commons/math4/analysis/interpolation/MicrosphereInterpolatorTest.java
index d894d14..2626869 100644
--- a/src/test/java/org/apache/commons/math4/analysis/interpolation/MicrosphereInterpolatorTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/interpolation/MicrosphereInterpolatorTest.java
@@ -14,10 +14,12 @@
  * 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.util.FastMath;
+import org.apache.commons.math4.analysis.MultivariateFunction;
+import org.apache.commons.math4.analysis.interpolation.MicrosphereInterpolator;
+import org.apache.commons.math4.analysis.interpolation.MultivariateInterpolator;
+import org.apache.commons.math4.util.FastMath;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/interpolation/NevilleInterpolatorTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/interpolation/NevilleInterpolatorTest.java b/src/test/java/org/apache/commons/math4/analysis/interpolation/NevilleInterpolatorTest.java
index 3054009..764da07 100644
--- a/src/test/java/org/apache/commons/math4/analysis/interpolation/NevilleInterpolatorTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/interpolation/NevilleInterpolatorTest.java
@@ -14,13 +14,15 @@
  * 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.UnivariateFunction;
-import org.apache.commons.math3.analysis.function.Expm1;
-import org.apache.commons.math3.analysis.function.Sin;
-import org.apache.commons.math3.exception.NonMonotonicSequenceException;
-import org.apache.commons.math3.util.FastMath;
+package org.apache.commons.math4.analysis.interpolation;
+
+import org.apache.commons.math4.analysis.UnivariateFunction;
+import org.apache.commons.math4.analysis.function.Expm1;
+import org.apache.commons.math4.analysis.function.Sin;
+import org.apache.commons.math4.analysis.interpolation.NevilleInterpolator;
+import org.apache.commons.math4.analysis.interpolation.UnivariateInterpolator;
+import org.apache.commons.math4.exception.NonMonotonicSequenceException;
+import org.apache.commons.math4.util.FastMath;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/interpolation/PiecewiseBicubicSplineInterpolatingFunctionTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/interpolation/PiecewiseBicubicSplineInterpolatingFunctionTest.java b/src/test/java/org/apache/commons/math4/analysis/interpolation/PiecewiseBicubicSplineInterpolatingFunctionTest.java
index 35cb18e..c39e644 100644
--- a/src/test/java/org/apache/commons/math4/analysis/interpolation/PiecewiseBicubicSplineInterpolatingFunctionTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/interpolation/PiecewiseBicubicSplineInterpolatingFunctionTest.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 org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.InsufficientDataException;
-import org.apache.commons.math3.exception.NonMonotonicSequenceException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.analysis.BivariateFunction;
-import org.apache.commons.math3.distribution.UniformRealDistribution;
-import org.apache.commons.math3.random.RandomGenerator;
-import org.apache.commons.math3.random.Well19937c;
-import org.apache.commons.math3.util.FastMath;
-import org.apache.commons.math3.util.Precision;
+import org.apache.commons.math4.analysis.BivariateFunction;
+import org.apache.commons.math4.analysis.interpolation.PiecewiseBicubicSplineInterpolatingFunction;
+import org.apache.commons.math4.distribution.UniformRealDistribution;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.InsufficientDataException;
+import org.apache.commons.math4.exception.NonMonotonicSequenceException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.random.RandomGenerator;
+import org.apache.commons.math4.random.Well19937c;
+import org.apache.commons.math4.util.FastMath;
+import org.apache.commons.math4.util.Precision;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/interpolation/PiecewiseBicubicSplineInterpolatorTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/interpolation/PiecewiseBicubicSplineInterpolatorTest.java b/src/test/java/org/apache/commons/math4/analysis/interpolation/PiecewiseBicubicSplineInterpolatorTest.java
index 367971b..eee82f9 100644
--- a/src/test/java/org/apache/commons/math4/analysis/interpolation/PiecewiseBicubicSplineInterpolatorTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/interpolation/PiecewiseBicubicSplineInterpolatorTest.java
@@ -14,17 +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.InsufficientDataException;
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.exception.NonMonotonicSequenceException;
-import org.apache.commons.math3.exception.NullArgumentException;
-import org.apache.commons.math3.analysis.BivariateFunction;
-import org.apache.commons.math3.distribution.UniformRealDistribution;
-import org.apache.commons.math3.random.RandomGenerator;
-import org.apache.commons.math3.random.Well19937c;
+package org.apache.commons.math4.analysis.interpolation;
+
+import org.apache.commons.math4.analysis.BivariateFunction;
+import org.apache.commons.math4.analysis.interpolation.BivariateGridInterpolator;
+import org.apache.commons.math4.analysis.interpolation.PiecewiseBicubicSplineInterpolator;
+import org.apache.commons.math4.distribution.UniformRealDistribution;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.InsufficientDataException;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.exception.NonMonotonicSequenceException;
+import org.apache.commons.math4.exception.NullArgumentException;
+import org.apache.commons.math4.random.RandomGenerator;
+import org.apache.commons.math4.random.Well19937c;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/interpolation/SmoothingPolynomialBicubicSplineInterpolatorTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/interpolation/SmoothingPolynomialBicubicSplineInterpolatorTest.java b/src/test/java/org/apache/commons/math4/analysis/interpolation/SmoothingPolynomialBicubicSplineInterpolatorTest.java
index 51c9760..9cdd888 100644
--- a/src/test/java/org/apache/commons/math4/analysis/interpolation/SmoothingPolynomialBicubicSplineInterpolatorTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/interpolation/SmoothingPolynomialBicubicSplineInterpolatorTest.java
@@ -14,12 +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.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.util.FastMath;
-import org.apache.commons.math3.analysis.BivariateFunction;
+package org.apache.commons.math4.analysis.interpolation;
+
+import org.apache.commons.math4.analysis.BivariateFunction;
+import org.apache.commons.math4.analysis.interpolation.BivariateGridInterpolator;
+import org.apache.commons.math4.analysis.interpolation.SmoothingPolynomialBicubicSplineInterpolator;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.util.FastMath;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/interpolation/SplineInterpolatorTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/interpolation/SplineInterpolatorTest.java b/src/test/java/org/apache/commons/math4/analysis/interpolation/SplineInterpolatorTest.java
index f9b2e3e..46d3455 100644
--- a/src/test/java/org/apache/commons/math4/analysis/interpolation/SplineInterpolatorTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/interpolation/SplineInterpolatorTest.java
@@ -14,16 +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.exception.NonMonotonicSequenceException;
-import org.apache.commons.math3.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.NumberIsTooSmallException;
-import org.apache.commons.math3.util.FastMath;
-import org.apache.commons.math3.TestUtils;
-import org.apache.commons.math3.analysis.UnivariateFunction;
-import org.apache.commons.math3.analysis.polynomials.PolynomialFunction;
-import org.apache.commons.math3.analysis.polynomials.PolynomialSplineFunction;
+package org.apache.commons.math4.analysis.interpolation;
+
+import org.apache.commons.math4.TestUtils;
+import org.apache.commons.math4.analysis.UnivariateFunction;
+import org.apache.commons.math4.analysis.interpolation.SplineInterpolator;
+import org.apache.commons.math4.analysis.interpolation.UnivariateInterpolator;
+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.util.FastMath;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/interpolation/TricubicInterpolatingFunctionTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/interpolation/TricubicInterpolatingFunctionTest.java b/src/test/java/org/apache/commons/math4/analysis/interpolation/TricubicInterpolatingFunctionTest.java
index 9760555..bf3da2a 100644
--- a/src/test/java/org/apache/commons/math4/analysis/interpolation/TricubicInterpolatingFunctionTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/interpolation/TricubicInterpolatingFunctionTest.java
@@ -14,16 +14,17 @@
  * 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.MathIllegalArgumentException;
-import org.apache.commons.math3.analysis.TrivariateFunction;
-import org.apache.commons.math3.distribution.UniformRealDistribution;
-import org.apache.commons.math3.random.RandomGenerator;
-import org.apache.commons.math3.random.Well19937c;
-import org.apache.commons.math3.util.FastMath;
-import org.apache.commons.math3.util.Precision;
+package org.apache.commons.math4.analysis.interpolation;
+
+import org.apache.commons.math4.analysis.TrivariateFunction;
+import org.apache.commons.math4.analysis.interpolation.TricubicInterpolatingFunction;
+import org.apache.commons.math4.distribution.UniformRealDistribution;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.random.RandomGenerator;
+import org.apache.commons.math4.random.Well19937c;
+import org.apache.commons.math4.util.FastMath;
+import org.apache.commons.math4.util.Precision;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/interpolation/TricubicInterpolatorTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/interpolation/TricubicInterpolatorTest.java b/src/test/java/org/apache/commons/math4/analysis/interpolation/TricubicInterpolatorTest.java
index d66e2d6..d975c18 100644
--- a/src/test/java/org/apache/commons/math4/analysis/interpolation/TricubicInterpolatorTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/interpolation/TricubicInterpolatorTest.java
@@ -14,12 +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.exception.DimensionMismatchException;
-import org.apache.commons.math3.exception.MathIllegalArgumentException;
-import org.apache.commons.math3.util.FastMath;
-import org.apache.commons.math3.analysis.TrivariateFunction;
+package org.apache.commons.math4.analysis.interpolation;
+
+import org.apache.commons.math4.analysis.TrivariateFunction;
+import org.apache.commons.math4.analysis.interpolation.TricubicInterpolatingFunction;
+import org.apache.commons.math4.analysis.interpolation.TricubicInterpolator;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.util.FastMath;
 import org.junit.Assert;
 import org.junit.Test;
 

http://git-wip-us.apache.org/repos/asf/commons-math/blob/e4e1ac23/src/test/java/org/apache/commons/math4/analysis/interpolation/TricubicSplineInterpolatingFunctionTest.java
----------------------------------------------------------------------
diff --git a/src/test/java/org/apache/commons/math4/analysis/interpolation/TricubicSplineInterpolatingFunctionTest.java b/src/test/java/org/apache/commons/math4/analysis/interpolation/TricubicSplineInterpolatingFunctionTest.java
index 90bce9e..945e9d5 100644
--- a/src/test/java/org/apache/commons/math4/analysis/interpolation/TricubicSplineInterpolatingFunctionTest.java
+++ b/src/test/java/org/apache/commons/math4/analysis/interpolation/TricubicSplineInterpolatingFunctionTest.java
@@ -14,12 +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.MathIllegalArgumentException;
-import org.apache.commons.math3.util.FastMath;
-import org.apache.commons.math3.analysis.TrivariateFunction;
+import org.apache.commons.math4.analysis.TrivariateFunction;
+import org.apache.commons.math4.analysis.interpolation.TricubicSplineInterpolatingFunction;
+import org.apache.commons.math4.exception.DimensionMismatchException;
+import org.apache.commons.math4.exception.MathIllegalArgumentException;
+import org.apache.commons.math4.util.FastMath;
 import org.junit.Assert;
 import org.junit.Test;
 


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