jphase.fit
Class FitterUtils

java.lang.Object
  jphase.fit.FitterUtils

public class FitterUtils
extends java.lang.Object

This class contains a set of methods to make some usual calculations for the PhaseFitter classes

Author:

Juan Fernando P�rez

Constructor Summary

FitterUtils()

Method Summary

static double	ceil(double x, double epsilon) Calculates the ceil of a double with a predefined precision
static double	factMomentK(int[] data, int k) Calculates the k-th factorial moment of the data trace
static double	floor(double x, double epsilon) Calculates the floor of a double with a predefined precision
static double	powerMomentK(double[] data, int k) Calculates the k-th power moment of the data trace
static double	sqrt(double x, double epsilon) Calculates the square root of a double with a predefined precision

Methods inherited from class java.lang.Object

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

Constructor Detail

FitterUtils

public FitterUtils()

Method Detail

powerMomentK

public static double powerMomentK(double[] data,
                                  int k)

Calculates the k-th power moment of the data trace

Parameters:

data - data trace

k - power moment to be calculated (>= 1)

Returns:

Data k-th power Moment

factMomentK

public static double factMomentK(int[] data,
                                 int k)

Calculates the k-th factorial moment of the data trace

Parameters:

data - data trace

k - factorial moment to be calculated (>= 1)

Returns:

Data k-th factorial Moment

floor

public static double floor(double x,
                           double epsilon)

Calculates the floor of a double with a predefined precision

Parameters:

x -

epsilon - precision

Returns:

The floor of a double with the predefined precision

ceil

public static double ceil(double x,
                          double epsilon)

Calculates the ceil of a double with a predefined precision

Parameters:

x -

epsilon - precision

Returns:

The ceil of a double with the predefined precision

sqrt

public static double sqrt(double x,
                          double epsilon)

Calculates the square root of a double with a predefined precision

Parameters:

x -

epsilon - precision

Returns:

The square root of a double with the predefined precision