net.sourceforge.combean.base
Class LinearMapping

java.lang.Object
  net.sourceforge.combean.base.LinearMapping

All Implemented Interfaces:

IndexMapping

public class LinearMapping
extends Object
implements IndexMapping

A linear mapping f(x) = cx + t.

Constructor Summary

LinearMapping(int scale, int offset)
Constructor.

Method Summary

int	mapIndex(int origIndex) Mapping function.

Methods inherited from class java.lang.Object

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

Constructor Detail

LinearMapping

public LinearMapping(int scale,
                     int offset)

Constructor.

Parameters:

scale - the scaling factor

offset - the constant, additive offset

Method Detail

mapIndex

public int mapIndex(int origIndex)

Description copied from interface: IndexMapping

Mapping function.

Specified by:

mapIndex in interface IndexMapping

Parameters:

origIndex - the original index value to be mapped

Returns:

the mapped index value