Apache Commons Math 3.6.1 · org.apache.commons.math3.util

Modifier and Type	Interface and Description
public interface	DoubleArray Provides a standard interface for double arrays.
public interface	IterationListener The listener interface for receiving events occurring in an iterative algorithm.
public interface	NumberTransformer Subclasses implementing this interface can transform Objects to doubles.
public interface	PivotingStrategyInterface A strategy to pick a pivoting index of an array for doing partitioning.

Class Summary

Modifier and Type	Class and Description
public class	ArithmeticUtils Some useful, arithmetics related, additions to the built-in functions in `Math`.
public class	BigReal Arbitrary precision decimal number.
public class	BigRealField Representation of real numbers with arbitrary precision field.
public class	CentralPivotingStrategy A mid point strategy based on the average of begin and end indices.
public class	Combinations Utility to create combinations `(n, k)` of `k` elements in a set of `n` elements.
public class	CombinatoricsUtils Combinatorial utilities.
public class	CompositeFormat Base class for formatters of composite objects (complex numbers, vectors ...).
public abstract class	ContinuedFraction Provides a generic means to evaluate continued fractions.
public class	Decimal64 This class wraps a `double` value in an object.
public class	Decimal64Field The field of double precision floating-point numbers.
public class	DefaultTransformer A Default NumberTransformer for java.lang.Numbers and Numeric Strings.
public class	FastMath Faster, more accurate, portable alternative to `Math` and `StrictMath` for large scale computation.
pack-priv class	FastMathCalc Class used to compute the classical functions tables.
pack-priv class	FastMathLiteralArrays Utility class for loading tabulated data used by `FastMath`.
public class	Incrementor Deprecated Use `IntegerSequence.Incrementor` instead. Utility that increments a counter until a maximum is reached, at which point, the instance will by default throw a `MaxCountExceededException`.
public class	IntegerSequence Provides a sequence of integers.
public class	IterationEvent The root class from which all events occurring while running an `IterationManager` should be derived.
public class	IterationManager This abstract class provides a general framework for managing iterative algorithms.
public class	KthSelector A Simple K^th selector implementation to pick up the K^th ordered element from a work array containing the input numbers.
public class	MathArrays Arrays utilities.
public class	MathUtils Miscellaneous utility functions.
public class	MedianOf3PivotingStrategy Classic median of 3 strategy given begin and end indices.
public class	MultidimensionalCounter Converter between unidimensional storage structure and multidimensional conceptual structure.
public class	OpenIntToDoubleHashMap Open addressed map from int to double.
public class	OpenIntToFieldHashMap< the type of the field elements T extends FieldElement<T>> Open addressed map from int to FieldElement.
public class	Pair< Key type. K, Value type. V> Generic pair.
public class	Precision Utilities for comparing numbers.
public class	RandomPivotingStrategy A strategy of selecting random index between begin and end indices.
public class	ResizableDoubleArray A variable length `DoubleArray` implementation that automatically handles expanding and contracting its internal storage array as elements are added and removed.
public class	TransformerMap This TansformerMap automates the transformation of mixed object types.

Package org.apache.commons.math3.util

Interface Summary

Class Summary