Fn (Strange Eons API)

All Known Implementing Classes:

AbstractFunctionFilter, BrightnessContrastFilter, Interpolation.CubicSpline, Interpolation.InterpolatedFunction, Interpolation.LinearRegression, Interpolation.QuadraticRegression
```
public interface Fn
```
An interface implemented by classes that can be used as numerical functions with arity 1.

Author:

Chris Jennings

- Field Summary
  
  Fields
  Modifier and Type Field Description
  
  static Fn IDENTITY
  A function that returns the input value unchanged.
- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  double f(double x)
  Computes the value of the function.

- Field Detail
  - IDENTITY
```
static final Fn IDENTITY
```
    A function that returns the input value unchanged.
- Method Detail
  - f
```
double f(double x)
```
    Computes the value of the function.
    
    Parameters:
    
    x - the x value for which to evaluate the function
    
    Returns:
    
    f(x)