# Uses of Package
org.apache.commons.math3.util

- Packages that use org.apache.commons.math3.util
  Package | Description
  --- | ---
  org.apache.commons.math3.analysis.integration | Numerical integration (quadrature) algorithms for univariate real functions.
  org.apache.commons.math3.exception | Specialized exceptions for algorithms errors.
  org.apache.commons.math3.linear | Linear algebra support.
  org.apache.commons.math3.optimization | This package provides common interfaces for the optimization algorithms provided in sub-packages.
  org.apache.commons.math3.optimization.direct | This package provides optimization algorithms that don't require derivatives.
  org.apache.commons.math3.util | Convenience routines and common data structures used throughout the commons-math library.

- Classes in org.apache.commons.math3.util used by org.apache.commons.math3.analysis.integration
  Class and Description
  Incrementor Utility that increments a counter until a maximum is reached, at which point, the instance will by default throw a `MaxCountExceededException`.

- Classes in org.apache.commons.math3.util used by org.apache.commons.math3.exception
  Class and Description
  MathArrays.OrderDirection Specification of ordering direction.

- Classes in org.apache.commons.math3.util used by org.apache.commons.math3.linear
  Class and Description
  IterationEvent The root class from which all events occurring while running an `IterationManager` should be derived.
  IterationManager This abstract class provides a general framework for managing iterative algorithms.
  OpenIntToDoubleHashMap.Iterator Iterator class for the map.

- Classes in org.apache.commons.math3.util used by org.apache.commons.math3.optimization
  Class and Description
  Pair Generic pair.

- Classes in org.apache.commons.math3.util used by org.apache.commons.math3.optimization.direct
  Class and Description
  Incrementor Utility that increments a counter until a maximum is reached, at which point, the instance will by default throw a `MaxCountExceededException`.

- Classes in org.apache.commons.math3.util used by org.apache.commons.math3.util
  Class and Description
  BigReal Arbitrary precision decimal number.
  BigRealField Representation of real numbers with arbitrary precision field.
  DoubleArray Provides a standard interface for double arrays.
  Incrementor.MaxCountExceededCallback Defines a method to be called at counter exhaustion.
  IterationEvent The root class from which all events occurring while running an `IterationManager` should be derived.
  IterationListener The listener interface for receiving events occurring in an iterative algorithm.
  MathArrays.OrderDirection Specification of ordering direction.
  MultidimensionalCounter.Iterator Perform iteration over the multidimensional counter.
  NumberTransformer Subclasses implementing this interface can transform Objects to doubles.
  OpenIntToDoubleHashMap Open addressed map from int to double.
  OpenIntToDoubleHashMap.Iterator Iterator class for the map.
  OpenIntToFieldHashMap Open addressed map from int to FieldElement.
  OpenIntToFieldHashMap.Iterator Iterator class for the map.
  Pair Generic pair.
  ResizableDoubleArray A variable length `DoubleArray` implementation that automatically handles expanding and contracting its internal storage array as elements are added and removed.

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