MATH-1416: Depend on "Commons Numbers".

Replaced class "Precision" by its equivalent in module "commons-numbers-core".
apache · May 3, 2017 · e082e0c · e082e0c
1 parent ef2507a
commit e082e0c
Show file tree

Hide file tree

Showing 89 changed files with 90 additions and 1,247 deletions.
diff --git a/src/main/java/org/apache/commons/math4/analysis/differentiation/SparseGradient.java b/src/main/java/org/apache/commons/math4/analysis/differentiation/SparseGradient.java
@@ -28,7 +28,7 @@
 import org.apache.commons.math4.util.FastMath;
 import org.apache.commons.math4.util.MathArrays;
 import org.apache.commons.math4.util.MathUtils;
-import org.apache.commons.math4.util.Precision;
+import org.apache.commons.numbers.core.Precision;
 
 /**
  * First derivative computation with large number of variables.

diff --git a/src/main/java/org/apache/commons/math4/analysis/function/Gaussian.java b/src/main/java/org/apache/commons/math4/analysis/function/Gaussian.java
@@ -26,7 +26,7 @@
 import org.apache.commons.math4.exception.NotStrictlyPositiveException;
 import org.apache.commons.math4.exception.NullArgumentException;
 import org.apache.commons.math4.util.FastMath;
-import org.apache.commons.math4.util.Precision;
+import org.apache.commons.numbers.core.Precision;
 
 /**
  * <a href="http://en.wikipedia.org/wiki/Gaussian_function">

diff --git a/.../java/org/apache/commons/math4/analysis/integration/BaseAbstractUnivariateIntegrator.java b/.../java/org/apache/commons/math4/analysis/integration/BaseAbstractUnivariateIntegrator.java
@@ -80,7 +80,7 @@ public abstract class BaseAbstractUnivariateIntegrator implements UnivariateInte
      *       achieved due to large values or short mantissa length. If this
      *       should be the primary criterion for convergence rather then a
      *       safety measure, set the absolute accuracy to a ridiculously small value,
-     *       like {@link org.apache.commons.math4.util.Precision#SAFE_MIN Precision.SAFE_MIN}.</li>
+     *       like {@link org.apache.commons.numbers.core.Precision#SAFE_MIN Precision.SAFE_MIN}.</li>
      *   <li>absolute accuracy:
      *       The default is usually chosen so that results in the interval
      *       -10..-0.1 and +0.1..+10 can be found with a reasonable accuracy. If the

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
@@ -25,7 +25,7 @@
 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;
+import org.apache.commons.numbers.core.Precision;
 
 /**
  * Computes a cubic spline interpolation for the data set using the Akima

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
@@ -24,7 +24,7 @@
 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;
+import org.apache.commons.numbers.core.Precision;
 
 /**
  * This class implements a modification of the <a

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
@@ -21,7 +21,7 @@
 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;
+import org.apache.commons.numbers.core.Precision;
 
 /**
  * This class implements the <a href="http://mathworld.wolfram.com/BrentsMethod.html">

diff --git a/...in/java/org/apache/commons/math4/analysis/solvers/FieldBracketingNthOrderBrentSolver.java b/...in/java/org/apache/commons/math4/analysis/solvers/FieldBracketingNthOrderBrentSolver.java
@@ -27,7 +27,7 @@
 import org.apache.commons.math4.util.IntegerSequence;
 import org.apache.commons.math4.util.MathArrays;
 import org.apache.commons.math4.util.MathUtils;
-import org.apache.commons.math4.util.Precision;
+import org.apache.commons.numbers.core.Precision;
 
 /**
  * This class implements a modification of the <a

diff --git a/src/main/java/org/apache/commons/math4/complex/Complex.java b/src/main/java/org/apache/commons/math4/complex/Complex.java
@@ -27,7 +27,7 @@
 import org.apache.commons.math4.exception.util.LocalizedFormats;
 import org.apache.commons.math4.util.FastMath;
 import org.apache.commons.math4.util.MathUtils;
-import org.apache.commons.math4.util.Precision;
+import org.apache.commons.numbers.core.Precision;
 
 /**
  * Representation of a Complex number, i.e. a number which has both a
@@ -46,8 +46,8 @@
  * Note that this contradicts the IEEE-754 standard for floating
  * point numbers (according to which the test {@code x == x} must fail if
  * {@code x} is {@code NaN}). The method
- * {@link org.apache.commons.math4.util.Precision#equals(double,double,int)
- * equals for primitive double} in {@link org.apache.commons.math4.util.Precision}
+ * {@link org.apache.commons.numbers.core.Precision#equals(double,double,int)
+ * equals for primitive double} in {@link org.apache.commons.numbers.core.Precision}
  * conforms with IEEE-754 while this class conforms with the standard behavior
  * for Java object types.</p>
  *

diff --git a/src/main/java/org/apache/commons/math4/complex/Quaternion.java b/src/main/java/org/apache/commons/math4/complex/Quaternion.java
@@ -24,7 +24,7 @@
 import org.apache.commons.math4.exception.util.LocalizedFormats;
 import org.apache.commons.math4.util.FastMath;
 import org.apache.commons.math4.util.MathUtils;
-import org.apache.commons.math4.util.Precision;
+import org.apache.commons.numbers.core.Precision;
 
 /**
  * This class implements <a href="http://mathworld.wolfram.com/Quaternion.html">

diff --git a/src/main/java/org/apache/commons/math4/fitting/leastsquares/EvaluationRmsChecker.java b/src/main/java/org/apache/commons/math4/fitting/leastsquares/EvaluationRmsChecker.java
@@ -18,7 +18,7 @@
 
 import org.apache.commons.math4.fitting.leastsquares.LeastSquaresProblem.Evaluation;
 import org.apache.commons.math4.optim.ConvergenceChecker;
-import org.apache.commons.math4.util.Precision;
+import org.apache.commons.numbers.core.Precision;
 
 /**
  * Check if an optimization has converged based on the change in computed RMS.

diff --git a/src/main/java/org/apache/commons/math4/fitting/leastsquares/LevenbergMarquardtOptimizer.java b/src/main/java/org/apache/commons/math4/fitting/leastsquares/LevenbergMarquardtOptimizer.java
@@ -26,7 +26,7 @@
 import org.apache.commons.math4.optim.ConvergenceChecker;
 import org.apache.commons.math4.util.FastMath;
 import org.apache.commons.math4.util.Incrementor;
-import org.apache.commons.math4.util.Precision;
+import org.apache.commons.numbers.core.Precision;
 
 
 /**

diff --git a/src/main/java/org/apache/commons/math4/geometry/euclidean/oned/IntervalsSet.java b/src/main/java/org/apache/commons/math4/geometry/euclidean/oned/IntervalsSet.java
@@ -27,7 +27,7 @@
 import org.apache.commons.math4.geometry.partitioning.BSPTree;
 import org.apache.commons.math4.geometry.partitioning.BoundaryProjection;
 import org.apache.commons.math4.geometry.partitioning.SubHyperplane;
-import org.apache.commons.math4.util.Precision;
+import org.apache.commons.numbers.core.Precision;
 
 /** This class represents a 1D region: a set of intervals.
  * @since 3.0

diff --git a/src/main/java/org/apache/commons/math4/geometry/euclidean/threed/Line.java b/src/main/java/org/apache/commons/math4/geometry/euclidean/threed/Line.java
@@ -25,7 +25,7 @@
 import org.apache.commons.math4.geometry.euclidean.oned.Vector1D;
 import org.apache.commons.math4.geometry.partitioning.Embedding;
 import org.apache.commons.math4.util.FastMath;
-import org.apache.commons.math4.util.Precision;
+import org.apache.commons.numbers.core.Precision;
 
 /** The class represent lines in a three dimensional space.
 

diff --git a/src/main/java/org/apache/commons/math4/geometry/euclidean/twod/PolygonsSet.java b/src/main/java/org/apache/commons/math4/geometry/euclidean/twod/PolygonsSet.java
@@ -34,7 +34,7 @@
 import org.apache.commons.math4.geometry.partitioning.Side;
 import org.apache.commons.math4.geometry.partitioning.SubHyperplane;
 import org.apache.commons.math4.util.FastMath;
-import org.apache.commons.math4.util.Precision;
+import org.apache.commons.numbers.core.Precision;
 
 /** This class represents a 2D region: a set of polygons.
  * @since 3.0

diff --git a/src/main/java/org/apache/commons/math4/geometry/euclidean/twod/hull/ConvexHull2D.java b/src/main/java/org/apache/commons/math4/geometry/euclidean/twod/hull/ConvexHull2D.java
@@ -29,7 +29,7 @@
 import org.apache.commons.math4.geometry.partitioning.Region;
 import org.apache.commons.math4.geometry.partitioning.RegionFactory;
 import org.apache.commons.math4.util.MathArrays;
-import org.apache.commons.math4.util.Precision;
+import org.apache.commons.numbers.core.Precision;
 
 /**
  * This class represents a convex hull in an two-dimensional euclidean space.

diff --git a/src/main/java/org/apache/commons/math4/geometry/euclidean/twod/hull/MonotoneChain.java b/src/main/java/org/apache/commons/math4/geometry/euclidean/twod/hull/MonotoneChain.java
@@ -25,7 +25,7 @@
 import org.apache.commons.math4.geometry.euclidean.twod.Line;
 import org.apache.commons.math4.geometry.euclidean.twod.Vector2D;
 import org.apache.commons.math4.util.FastMath;
-import org.apache.commons.math4.util.Precision;
+import org.apache.commons.numbers.core.Precision;
 
 /**
  * Implements Andrew's monotone chain method to generate the convex hull of a finite set of

diff --git a/src/main/java/org/apache/commons/math4/geometry/spherical/oned/Arc.java b/src/main/java/org/apache/commons/math4/geometry/spherical/oned/Arc.java
@@ -21,7 +21,7 @@
 import org.apache.commons.math4.geometry.partitioning.Region.Location;
 import org.apache.commons.math4.util.FastMath;
 import org.apache.commons.math4.util.MathUtils;
-import org.apache.commons.math4.util.Precision;
+import org.apache.commons.numbers.core.Precision;
 
 
 /** This class represents an arc on a circle.

diff --git a/src/main/java/org/apache/commons/math4/geometry/spherical/oned/ArcsSet.java b/src/main/java/org/apache/commons/math4/geometry/spherical/oned/ArcsSet.java
@@ -34,7 +34,7 @@
 import org.apache.commons.math4.geometry.partitioning.SubHyperplane;
 import org.apache.commons.math4.util.FastMath;
 import org.apache.commons.math4.util.MathUtils;
-import org.apache.commons.math4.util.Precision;
+import org.apache.commons.numbers.core.Precision;
 
 /** This class represents a region of a circle: a set of arcs.
  * <p>

diff --git a/src/main/java/org/apache/commons/math4/linear/DiagonalMatrix.java b/src/main/java/org/apache/commons/math4/linear/DiagonalMatrix.java
@@ -25,7 +25,7 @@
 import org.apache.commons.math4.exception.OutOfRangeException;
 import org.apache.commons.math4.util.FastMath;
 import org.apache.commons.math4.util.MathUtils;
-import org.apache.commons.math4.util.Precision;
+import org.apache.commons.numbers.core.Precision;
 
 /**
  * Implementation of a diagonal matrix.

diff --git a/src/main/java/org/apache/commons/math4/linear/EigenDecomposition.java b/src/main/java/org/apache/commons/math4/linear/EigenDecomposition.java
@@ -24,7 +24,7 @@
 import org.apache.commons.math4.exception.MaxCountExceededException;
 import org.apache.commons.math4.exception.util.LocalizedFormats;
 import org.apache.commons.math4.util.FastMath;
-import org.apache.commons.math4.util.Precision;
+import org.apache.commons.numbers.core.Precision;
 
 /**
  * Calculates the eigen decomposition of a real matrix.

diff --git a/src/main/java/org/apache/commons/math4/linear/HessenbergTransformer.java b/src/main/java/org/apache/commons/math4/linear/HessenbergTransformer.java
@@ -18,7 +18,7 @@
 package org.apache.commons.math4.linear;
 
 import org.apache.commons.math4.util.FastMath;
-import org.apache.commons.math4.util.Precision;
+import org.apache.commons.numbers.core.Precision;
 
 /**
  * Class transforming a general real matrix to Hessenberg form.

diff --git a/src/main/java/org/apache/commons/math4/linear/MatrixUtils.java b/src/main/java/org/apache/commons/math4/linear/MatrixUtils.java
@@ -37,7 +37,7 @@
 import org.apache.commons.math4.util.FastMath;
 import org.apache.commons.math4.util.MathArrays;
 import org.apache.commons.math4.util.MathUtils;
-import org.apache.commons.math4.util.Precision;
+import org.apache.commons.numbers.core.Precision;
 
 /**
  * A collection of static methods that operate on or return matrices.

diff --git a/src/main/java/org/apache/commons/math4/linear/SchurTransformer.java b/src/main/java/org/apache/commons/math4/linear/SchurTransformer.java
@@ -20,7 +20,7 @@
 import org.apache.commons.math4.exception.MaxCountExceededException;
 import org.apache.commons.math4.exception.util.LocalizedFormats;
 import org.apache.commons.math4.util.FastMath;
-import org.apache.commons.math4.util.Precision;
+import org.apache.commons.numbers.core.Precision;
 
 /**
  * Class transforming a general real matrix to Schur form.

diff --git a/src/main/java/org/apache/commons/math4/linear/SingularValueDecomposition.java b/src/main/java/org/apache/commons/math4/linear/SingularValueDecomposition.java
@@ -19,7 +19,7 @@
 import org.apache.commons.math4.exception.NumberIsTooLargeException;
 import org.apache.commons.math4.exception.util.LocalizedFormats;
 import org.apache.commons.math4.util.FastMath;
-import org.apache.commons.math4.util.Precision;
+import org.apache.commons.numbers.core.Precision;
 
 /**
  * Calculates the compact Singular Value Decomposition of a matrix.

diff --git a/src/main/java/org/apache/commons/math4/ml/neuralnet/Neuron.java b/src/main/java/org/apache/commons/math4/ml/neuralnet/Neuron.java
@@ -23,7 +23,7 @@
 import java.util.concurrent.atomic.AtomicLong;
 
 import org.apache.commons.math4.exception.DimensionMismatchException;
-import org.apache.commons.math4.util.Precision;
+import org.apache.commons.numbers.core.Precision;
 
 
 /**

diff --git a/src/main/java/org/apache/commons/math4/ode/AbstractIntegrator.java b/src/main/java/org/apache/commons/math4/ode/AbstractIntegrator.java
@@ -39,7 +39,7 @@
 import org.apache.commons.math4.ode.sampling.StepHandler;
 import org.apache.commons.math4.util.FastMath;
 import org.apache.commons.math4.util.IntegerSequence;
-import org.apache.commons.math4.util.Precision;
+import org.apache.commons.numbers.core.Precision;
 
 /**
  * Base class managing common boilerplate for all integrators.

diff --git a/src/main/java/org/apache/commons/math4/ode/events/FilterType.java b/src/main/java/org/apache/commons/math4/ode/events/FilterType.java
@@ -83,7 +83,7 @@ protected boolean getTriggeredIncreasing() {
          *   <li>h = min(-s,-g,+g)</li>
          *   <li>h = -g</li>
          * </ul>
-         * where s is a tiny positive value: {@link org.apache.commons.math4.util.Precision#SAFE_MIN}.
+         * where s is a tiny positive value: {@link org.apache.commons.numbers.core.Precision#SAFE_MIN}.
          * </p>
          */
         @Override
@@ -261,7 +261,7 @@ protected boolean getTriggeredIncreasing() {
          *   <li>h = min(-s,-g,+g)</li>
          *   <li>h = -g</li>
          * </ul>
-         * where s is a tiny positive value: {@link org.apache.commons.math4.util.Precision#SAFE_MIN}.
+         * where s is a tiny positive value: {@link org.apache.commons.numbers.core.Precision#SAFE_MIN}.
          * </p>
          */
         @Override

diff --git a/src/main/java/org/apache/commons/math4/ode/events/Transformer.java b/src/main/java/org/apache/commons/math4/ode/events/Transformer.java
@@ -18,7 +18,7 @@
 package org.apache.commons.math4.ode.events;
 
 import org.apache.commons.math4.util.FastMath;
-import org.apache.commons.math4.util.Precision;
+import org.apache.commons.numbers.core.Precision;
 
 
 /** Transformer for {@link EventHandler#g(double, double[]) g functions}.

diff --git a/src/main/java/org/apache/commons/math4/ode/sampling/FieldStepNormalizer.java b/src/main/java/org/apache/commons/math4/ode/sampling/FieldStepNormalizer.java
@@ -21,7 +21,7 @@
 import org.apache.commons.math4.exception.MaxCountExceededException;
 import org.apache.commons.math4.ode.FieldODEStateAndDerivative;
 import org.apache.commons.math4.util.FastMath;
-import org.apache.commons.math4.util.Precision;
+import org.apache.commons.numbers.core.Precision;
 
 /**
  * This class wraps an object implementing {@link FieldFixedStepHandler}

diff --git a/src/main/java/org/apache/commons/math4/ode/sampling/StepNormalizer.java b/src/main/java/org/apache/commons/math4/ode/sampling/StepNormalizer.java
@@ -19,7 +19,7 @@
 
 import org.apache.commons.math4.exception.MaxCountExceededException;
 import org.apache.commons.math4.util.FastMath;
-import org.apache.commons.math4.util.Precision;
+import org.apache.commons.numbers.core.Precision;
 
 /**
  * This class wraps an object implementing {@link FixedStepHandler}

diff --git a/src/main/java/org/apache/commons/math4/optim/linear/SimplexSolver.java b/src/main/java/org/apache/commons/math4/optim/linear/SimplexSolver.java
@@ -23,7 +23,7 @@
 import org.apache.commons.math4.optim.OptimizationData;
 import org.apache.commons.math4.optim.PointValuePair;
 import org.apache.commons.math4.util.FastMath;
-import org.apache.commons.math4.util.Precision;
+import org.apache.commons.numbers.core.Precision;
 
 /**
  * Solves a linear problem using the "Two-Phase Simplex" method.

diff --git a/src/main/java/org/apache/commons/math4/optim/linear/SimplexTableau.java b/src/main/java/org/apache/commons/math4/optim/linear/SimplexTableau.java
@@ -34,7 +34,7 @@
 import org.apache.commons.math4.linear.RealVector;
 import org.apache.commons.math4.optim.PointValuePair;
 import org.apache.commons.math4.optim.nonlinear.scalar.GoalType;
-import org.apache.commons.math4.util.Precision;
+import org.apache.commons.numbers.core.Precision;
 
 /**
  * A tableau for use in the Simplex method.

diff --git a/src/main/java/org/apache/commons/math4/optim/univariate/BrentOptimizer.java b/src/main/java/org/apache/commons/math4/optim/univariate/BrentOptimizer.java
@@ -21,7 +21,7 @@
 import org.apache.commons.math4.optim.ConvergenceChecker;
 import org.apache.commons.math4.optim.nonlinear.scalar.GoalType;
 import org.apache.commons.math4.util.FastMath;
-import org.apache.commons.math4.util.Precision;
+import org.apache.commons.numbers.core.Precision;
 
 /**
  * For a function defined on some interval {@code (lo, hi)}, this class

diff --git a/.../java/org/apache/commons/math4/stat/descriptive/AbstractStorelessUnivariateStatistic.java b/.../java/org/apache/commons/math4/stat/descriptive/AbstractStorelessUnivariateStatistic.java
@@ -21,7 +21,7 @@
 import org.apache.commons.math4.exception.util.LocalizedFormats;
 import org.apache.commons.math4.util.MathArrays;
 import org.apache.commons.math4.util.MathUtils;
-import org.apache.commons.math4.util.Precision;
+import org.apache.commons.numbers.core.Precision;
 
 /**
  * Abstract base class for implementations of the

diff --git a/src/main/java/org/apache/commons/math4/stat/descriptive/MultivariateSummaryStatistics.java b/src/main/java/org/apache/commons/math4/stat/descriptive/MultivariateSummaryStatistics.java
@@ -34,7 +34,7 @@
 import org.apache.commons.math4.util.FastMath;
 import org.apache.commons.math4.util.MathArrays;
 import org.apache.commons.math4.util.MathUtils;
-import org.apache.commons.math4.util.Precision;
+import org.apache.commons.numbers.core.Precision;
 
 /**
  * <p>Computes summary statistics for a stream of n-tuples added using the

diff --git a/src/main/java/org/apache/commons/math4/stat/descriptive/StatisticalSummaryValues.java b/src/main/java/org/apache/commons/math4/stat/descriptive/StatisticalSummaryValues.java
@@ -20,7 +20,7 @@
 
 import org.apache.commons.math4.util.FastMath;
 import org.apache.commons.math4.util.MathUtils;
-import org.apache.commons.math4.util.Precision;
+import org.apache.commons.numbers.core.Precision;
 
 /**
  *  Value object representing the results of a univariate statistical summary.

diff --git a/src/main/java/org/apache/commons/math4/stat/descriptive/SummaryStatistics.java b/src/main/java/org/apache/commons/math4/stat/descriptive/SummaryStatistics.java
@@ -32,7 +32,7 @@
 import org.apache.commons.math4.stat.descriptive.summary.SumOfSquares;
 import org.apache.commons.math4.util.FastMath;
 import org.apache.commons.math4.util.MathUtils;
-import org.apache.commons.math4.util.Precision;
+import org.apache.commons.numbers.core.Precision;
 
 /**
  * <p>

diff --git a/src/main/java/org/apache/commons/math4/stat/descriptive/rank/PSquarePercentile.java b/src/main/java/org/apache/commons/math4/stat/descriptive/rank/PSquarePercentile.java
@@ -37,7 +37,7 @@
 import org.apache.commons.math4.stat.descriptive.StorelessUnivariateStatistic;
 import org.apache.commons.math4.util.MathArrays;
 import org.apache.commons.math4.util.MathUtils;
-import org.apache.commons.math4.util.Precision;
+import org.apache.commons.numbers.core.Precision;
 
 /**
  * A {@link StorelessUnivariateStatistic} estimating percentiles using the

diff --git a/src/main/java/org/apache/commons/math4/stat/descriptive/rank/Percentile.java b/src/main/java/org/apache/commons/math4/stat/descriptive/rank/Percentile.java
@@ -32,7 +32,7 @@
 import org.apache.commons.math4.util.MathUtils;
 import org.apache.commons.math4.util.MedianOf3PivotingStrategy;
 import org.apache.commons.math4.util.PivotingStrategyInterface;
-import org.apache.commons.math4.util.Precision;
+import org.apache.commons.numbers.core.Precision;
 
 /**
  * Provides percentile computation.

diff --git a/src/main/java/org/apache/commons/math4/stat/regression/MillerUpdatingRegression.java b/src/main/java/org/apache/commons/math4/stat/regression/MillerUpdatingRegression.java
@@ -21,7 +21,7 @@
 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;
+import org.apache.commons.numbers.core.Precision;
 
 /**
  * This class is a concrete implementation of the {@link UpdatingMultipleLinearRegression} interface.

diff --git a/src/main/java/org/apache/commons/math4/stat/regression/SimpleRegression.java b/src/main/java/org/apache/commons/math4/stat/regression/SimpleRegression.java
@@ -24,7 +24,7 @@
 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.Precision;
+import org.apache.commons.numbers.core.Precision;
 
 /**
  * Estimates an ordinary least squares regression model

diff --git a/src/main/java/org/apache/commons/math4/util/ContinuedFraction.java b/src/main/java/org/apache/commons/math4/util/ContinuedFraction.java
@@ -16,6 +16,7 @@
  */
 package org.apache.commons.math4.util;
 
+import org.apache.commons.numbers.core.Precision;
 import org.apache.commons.math4.exception.ConvergenceException;
 import org.apache.commons.math4.exception.MaxCountExceededException;
 import org.apache.commons.math4.exception.util.LocalizedFormats;