ExtendedStateScalarFunction (OREKIT 14.0-SNAPSHOT API)

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
```
@FunctionalInterface
public interface ExtendedStateScalarFunction
```
Interface representing a scalar function depending only on SpacecraftState or its field counterpart.

Since:

14.0

Author:

Romain Serra

Method Summary

All Methods Static Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`static ExtendedStateScalarFunction`	`of(ToDoubleFunction<SpacecraftState> function)`	Create instance from pure double function.
`default <T extends CalculusFieldElement<T>> T`	`value(FieldSpacecraftState<T> fieldState)`	Evaluate the Field function.
`double`	`value(SpacecraftState state)`	Evaluate the function.

- Method Detail
  - value
```
double value(SpacecraftState state)
```
    Evaluate the function.
    
    Parameters:
    
    state - spacecraft state as the sole free parameter of the function.
    
    Returns:
    
    scalar value of the function
  - value
```
default <T extends CalculusFieldElement<T>> T value(FieldSpacecraftState<T> fieldState)
```
    Evaluate the Field function.
    
    Type Parameters:
    
    T - field type
    
    Parameters:
    
    fieldState - spacecraft state as the sole free parameter of the function.
    
    Returns:
    
    scalar value of the function
  - of
```
static ExtendedStateScalarFunction of(ToDoubleFunction<SpacecraftState> function)
```
    Create instance from pure double function.
    
    Parameters:
    
    function - function of double
    
    Returns:
    
    extended function