viper.comparison.distances
Interface Distances.SmartValueDistance

Enclosing interface:

Distances

public static interface Distances.SmartValueDistance

An extended distance function object that can deal with both don't-care values and blackout values.

Method Summary

java.lang.Number

helpGetDistance(java.lang.Object alphaVal, java.lang.Object betaVal, java.lang.Object blackoutVal, java.lang.Object ignoreVal, CanonicalFileDescriptor cfd) Gets the distance between two values, with some constraints.

Method Detail

helpGetDistance

public java.lang.Number helpGetDistance(java.lang.Object alphaVal,
                                        java.lang.Object betaVal,
                                        java.lang.Object blackoutVal,
                                        java.lang.Object ignoreVal,
                                        CanonicalFileDescriptor cfd)
                                 throws IgnoredValueException

Gets the distance between two values, with some constraints.

Parameters:

alphaVal - the target

betaVal - the candidate

blackoutVal - values here are bad

ignoreVal - values here don't matter

cfd - information about the media

Returns:

the distance

Throws:

IgnoredValueException - if nothing was evaluated due to the size of the ignored region