Package org.apache.commons.math3

Interface Field<T>

Type Parameters:
T - the type of the field elements
All Known Implementing Classes:
BigFractionField, BigRealField, ComplexField, Decimal64Field, DfpField, FractionField
public interface Field<T>
Interface representing a field.

Classes implementing this interface will often be singletons.

Since:
2.0
See Also:

  • Method Summary

    Modifier and Type
    Method
    Description
    T
    getOne()
    Get the multiplicative identity of the field.
    Class<? extends FieldElement<T>>
    getRuntimeClass()
    Returns the runtime class of the FieldElement.
    T
    getZero()
    Get the additive identity of the field.

  • Method Details

    • 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

    • getRuntimeClass

      Class<? extends FieldElement<T>> getRuntimeClass()
      Returns the runtime class of the FieldElement.
      Returns:
      The Class object that represents the runtime class of this object.