Package org.apache.commons.math.util

Convenience routines and common data structures used throughout the commons-math library.

Interface Summary

Interface	Description
DoubleArray	Provides a standard interface for double arrays.
NumberTransformer	Subclasses implementing this interface can transform Objects to doubles.

Class Summary

Class	Description
BigReal	Arbitrary precision decimal number.
BigRealField	Representation of real numbers with arbitrary precision field.
CompositeFormat	Base class for formatters of composite objects (complex numbers, vectors ...).
ContinuedFraction	Provides a generic means to evaluate continued fractions.
DefaultTransformer	A Default NumberTransformer for java.lang.Numbers and Numeric Strings.
FastMath	Faster, more accurate, portable alternative to StrictMath.
MathUtils	Some useful additions to the built-in functions in Math.
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.
ResizableDoubleArray	A variable length DoubleArray implementation that automatically handles expanding and contracting its internal storage array as elements are added and removed.
TransformerMap	This TansformerMap automates the transformation of mixed object types.

Enum Summary

Enum	Description
MathUtils.OrderDirection	Specification of ordering direction.