SFT
Class SFTUtils.DiffFunction

java.lang.Object
  Function.Function
      Function.DirectProdFunction
          SFT.SFTUtils.DiffFunction

Enclosing class:

SFTUtils

public static class SFTUtils.DiffFunction
extends DirectProdFunction

Class for calculating a difference function for two given functions f1, f2 s.t. DiffFunction(x) = f1(x) - f2(x)

Constructor Summary

SFTUtils.DiffFunction(long[] G, DirectProdFunction f1, DirectProdFunction f2)

Method Summary

Complex

getValue(long[] elem) Returns the value of the function for the input element in G.

Methods inherited from class Function.DirectProdFunction

calcEuclideanNorm, calcInfinityNorm, getG, setG

Methods inherited from class java.lang.Object

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

Constructor Detail

SFTUtils.DiffFunction

public SFTUtils.DiffFunction(long[] G,
                             DirectProdFunction f1,
                             DirectProdFunction f2)
                      throws FunctionException

Throws:

FunctionException

Method Detail

getValue

public Complex getValue(long[] elem)

Description copied from class: DirectProdFunction

Returns the value of the function for the input element in G.

Specified by:

getValue in class DirectProdFunction

Parameters:

elem - The element whose this function's value is calculated.

Returns:

The value of the function for the input element in G.