org.apache.commons.math

Interface Field<T>

Type Parameters:

T - the type of the field elements

All Known Implementing Classes:

BigFractionField, BigRealField, ComplexField, DfpField, FractionField

public interface Field<T>

Interface representing a field.

Classes implementing this interface will often be singletons.

Since:

2.0

See Also:

FieldElement

Method Summary

Modifier and Type	Method and Description
T	getOne() Get the multiplicative identity of the field.
T	getZero() Get the additive identity of the field.

Method Detail

getZero

T getZero()

Get the additive identity of the field.

The additive identity is the element e₀ of the field such that for all elements a of the field, the equalities a + e₀ = e₀ + a = a hold.

Returns:

additive identity of the field

getOne

T getOne()

Get the multiplicative identity of the field.

The multiplicative identity is the element e₁ of the field such that for all elements a of the field, the equalities a × e₁ = e₁ × a = a hold.

Returns:

multiplicative identity of the field