Package org.apache.commons.numbers.field

Class AbstractField<T extends NativeOperators<T>>

java.lang.Object

org.apache.commons.numbers.field.AbstractField<T>

Type Parameters:

T - Type of the field elements.

All Implemented Interfaces:

Field<T>

Direct Known Subclasses:

BigFractionField, FP64Field, FractionField

public abstract class AbstractField<T extends NativeOperators<T>>
extends Object
implements Field<T>

Boiler-plate code for concrete implementations of Field.

Constructor Summary

Constructors

Constructor	Description
AbstractField()

Method Summary

Modifier and Type	Method	Description
T	add(T a, T b)
T	divide(T a, T b)
T	multiply(int n, T a)
T	multiply(T a, T b)
T	negate(T a)
T	reciprocal(T a)
T	subtract(T a, T b)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.commons.numbers.field.Field

one, zero

Constructor Detail

AbstractField

public AbstractField()

Method Detail

add

public T add(T a,
             T b)

Specified by:

add in interface Field<T extends NativeOperators<T>>

Parameters:

a - Field element.

b - Field element.

Returns:

a + b.

subtract

public T subtract(T a,
                  T b)

Specified by:

subtract in interface Field<T extends NativeOperators<T>>

Parameters:

a - Field element.

b - Field element.

Returns:

a - b.

negate

public T negate(T a)

Specified by:

negate in interface Field<T extends NativeOperators<T>>

Parameters:

a - Field element.

Returns:

-a.

multiply

public T multiply(int n,
                  T a)

Specified by:

multiply in interface Field<T extends NativeOperators<T>>

Parameters:

n - Number of times a must be added to itself.

a - Field element.

Returns:

n a.

multiply

public T multiply(T a,
                  T b)

Specified by:

multiply in interface Field<T extends NativeOperators<T>>

Parameters:

a - Field element.

b - Field element.

Returns:

a * b.

divide

public T divide(T a,
                T b)

Specified by:

divide in interface Field<T extends NativeOperators<T>>

Parameters:

a - Field element.

b - Field element.

Returns:

a * b-1.

reciprocal

public T reciprocal(T a)

Specified by:

reciprocal in interface Field<T extends NativeOperators<T>>

Parameters:

a - Field element.

Returns:

a-1.