org.hipparchus.util

Class FieldSinCos<T>

java.lang.Object

org.hipparchus.util.FieldSinCos<T>

Type Parameters:

T - the type of the field elements

public class FieldSinCos<T>
extends Object

Holder for both sin and cosine values.

This class is a simple container, it does not provide any computational method.

Since:

1.4

See Also:

FastMath.sinCos(org.hipparchus.RealFieldElement)

Constructor Summary

Constructors

Constructor and Description
FieldSinCos(T sin, T cos) Simple constructor.

Method Summary

Modifier and Type	Method and Description
T	cos() Get the value of the cosine.
static <S extends CalculusFieldElement<S>> FieldSinCos<S>	difference(FieldSinCos<S> scAlpha, FieldSinCos<S> scBeta) Compute sine and cosine of angles difference.
T	sin() Get the value of the sine.
static <S extends CalculusFieldElement<S>> FieldSinCos<S>	sum(FieldSinCos<S> scAlpha, FieldSinCos<S> scBeta) Compute sine and cosine of angles sum.

Methods inherited from class java.lang.Object

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

Constructor Detail

FieldSinCos

public FieldSinCos(T sin,
                   T cos)

Simple constructor.

Parameters:

sin - value of the sine

cos - value of the cosine

Method Detail

sin

public T sin()

Get the value of the sine.

Returns:

value of the sine

cos

public T cos()

Get the value of the cosine.

Returns:

value of the cosine

sum

public static <S extends CalculusFieldElement<S>> FieldSinCos<S> sum(FieldSinCos<S> scAlpha,
                                                                     FieldSinCos<S> scBeta)

Compute sine and cosine of angles sum.

Type Parameters:

S - the type of the field elements

Parameters:

scAlpha - \((sin \alpha, \cos \alpha)\)

scBeta - \((sin \beta, \cos \beta)\)

Returns:

\((sin \alpha+\beta, \cos \alpha+\beta)\)

Since:

1.8

difference

public static <S extends CalculusFieldElement<S>> FieldSinCos<S> difference(FieldSinCos<S> scAlpha,
                                                                            FieldSinCos<S> scBeta)

Compute sine and cosine of angles difference.

Type Parameters:

S - the type of the field elements

Parameters:

scAlpha - \((sin \alpha, \cos \alpha)\)

scBeta - \((sin \beta, \cos \beta)\)

Returns:

\((sin \alpha+\beta, \cos \alpha-\beta)\)

Since:

1.8