Package org.hipparchus.util

Convenience routines and common data structures used throughout the Hipparchus library.

Interface Summary

Interface	Description
Blendable<B>	Interface representing classes that can blend with other instances of themselves using a given blending value.
FieldBlendable<B,T extends FieldElement<T>>	Interface representing classes that can blend with other instances of themselves using a given blending value.
Incrementor.MaxCountExceededCallback	Defines a method to be called at counter exhaustion.
IterationListener	The listener interface for receiving events occurring in an iterative algorithm.
MathArrays.Function	Real-valued function that operates on an array or a part of it.
UnscentedTransformProvider	Provider for unscented transform.

Class Summary

Class	Description
AbstractUnscentedTransform	Base class for unscented transform providers.
ArithmeticUtils	Some useful, arithmetics related, additions to the built-in functions in Math.
BigReal	Arbitrary precision decimal number.
BigRealField	Representation of real numbers with arbitrary precision field.
Binary64	This class wraps a double value in an object.
Binary64Field	The field of double precision floating-point numbers.
Combinations	Utility to create combinations (n, k) of k elements in a set of n elements.
CombinatoricsUtils	Combinatorial utilities.
CombinatoricsUtils.FactorialLog	Class for computing the natural logarithm of the factorial of n.
CompositeFormat	Base class for formatters of composite objects (complex numbers, vectors ...).
ContinuedFraction	Provides a generic means to evaluate continued fractions.
FastMath	Faster, more accurate, portable alternative to Math and StrictMath for large scale computation.
FieldContinuedFraction	Provides a generic means to evaluate continued fractions.
FieldSinCos<T>	Holder for both sine and cosine values.
FieldSinhCosh<T>	Holder for both hyperbolic sine and hyperbolic cosine values.
FieldTuple<T extends CalculusFieldElement<T>>	This class allows to perform the same computation of all components of a Tuple at once.
Incrementor	Utility that increments a counter until a maximum is reached, at which point, the instance will by default throw a MathIllegalStateException.
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.
JulierUnscentedTransform	Unscented transform as defined by Julier and Uhlmann.
KthSelector	A Simple Kth selector implementation to pick up the Kth ordered element from a work array containing the input numbers.
MathArrays	Arrays utilities.
MathUtils	Miscellaneous utility functions.
MathUtils.FieldSumAndResidual<T extends FieldElement<T>>	Result class for MathUtils.twoSum(FieldElement, FieldElement) containing the sum and the residual error in the sum.
MathUtils.SumAndResidual	Result class for MathUtils.twoSum(double, double) containing the sum and the residual error in the sum.
MerweUnscentedTransform	Unscented transform as defined by Merwe and Wan.
MultidimensionalCounter	Converter between unidimensional storage structure and multidimensional conceptual structure.
OpenIntToDoubleHashMap	Open addressed map from int to double.
OpenIntToFieldHashMap<T extends FieldElement<T>>	Open addressed map from int to FieldElement.
Pair<K,V>	Generic pair.
Precision	Utilities for comparing numbers.
ResizableDoubleArray	A variable length primitive double array implementation that automatically handles expanding and contracting its internal storage array as elements are added and removed.
RosenNumberPartitionIterator	An iterator that generates all partitions of n elements, into k parts containing the number of elements in each part, based on Rosen's algorithm.
RyuDouble	An implementation of Ryū for double.
SinCos	Holder for both sine and cosine values.
SinhCosh	Holder for both hyperbolic sine and hyperbolic cosine values.
Tuple	This class allows to perform the same computation of all components of a Tuple at once.

Enum Summary

Enum	Description
MathArrays.OrderDirection	Specification of ordering direction.
MathArrays.Position	Specification for indicating that some operation applies before or after a given index.
PivotingStrategy	A strategy to pick a pivoting index of an array for doing partitioning.
ResizableDoubleArray.ExpansionMode	Specification of expansion algorithm.