uk.ac.starlink.array

Interface Function

public interface Function

Defines a real function of a real variable y=f(x) and its inverse.

Version:

$Id$

Author:

Mark Taylor (Starlink)

Method Summary

Modifier and Type	Method and Description
double	forward(double x) The forward function.
double	inverse(double y) The inverse function.

Method Detail

forward

double forward(double x)

The forward function. If only the inverse function will be required, it is permissible to throw an UnsupportedOperationException.

Parameters:

x - the argument x of the function

Returns:

the return value y of the function. May be Double.NaN.

inverse

double inverse(double y)

The inverse function. If only the forward function will be required, it is permissible to throw an UnsupportedOperationException.

Parameters:

y - the argument y of the inverse function

Returns:

the return value x of the inverse function May be Double.NaN.