# Package org.apache.commons.numbers.core

Basic utilities.
• Interface Summary
Interface Description
Multiplication<T>
Multiplication.
NativeOperators<T>
Operators that can be implemented in a more performant way using the language constructs.
Precision.DoubleEquivalence
Interface containing comparison operations for doubles that allow values to be considered equal even if they are not exactly equal.
• Class Summary
Class Description
ArithmeticUtils
Some useful, arithmetics related, additions to the built-in functions in Math.
Precision
Utilities for comparing numbers.
Sum
Class providing accurate floating-point sums and linear combinations.
• Enum Summary
Enum Description
Norm
Norm functions.