com.interpss.common.func.impl

Class LookupTableImpl

java.lang.Object

com.interpss.common.func.impl.LookupTableImpl

All Implemented Interfaces:

ILookupTable

public class LookupTableImpl
extends java.lang.Object
implements ILookupTable

Lookup table implementation

Nested Class Summary

Nested classes/interfaces inherited from interface com.interpss.common.func.ILookupTable

ILookupTable.Type

Constructor Summary

Constructors

Constructor and Description
LookupTableImpl(ILookupTable.Type type) Constructor

Method Summary

Modifier and Type	Method and Description
void	addPoint(Point p) Add a data point
double	closestPointLeft(double x0) find closest point left to x
double	closestPointRight(double x0) find closest point right to x
double	getDydx(double x) Get dy/dx
double[]	getMax(double startX) starting from the point x, find [x, y] such that f(x) = max
double	getY(double x) Get y = f(x)
void	setData(double[] xAry, double[] yAry) Set data points, assuming xAry and yAry have the same dimension
void	setData(java.util.List<Vector_xy> list) Constructor.
void	setData(java.util.List<Vector_xy> list, boolean inverse) Constructor.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

LookupTableImpl

public LookupTableImpl(ILookupTable.Type type)

Constructor

Parameters:

type - LookupTable type (TypeLinearLine, TypeSplineCurve)

Method Detail

addPoint

public void addPoint(Point p)
              throws InterpssException

Add a data point

Specified by:

addPoint in interface ILookupTable

Parameters:

p - data point (x, y)

Throws:

InterpssException

setData

public void setData(double[] xAry,
                    double[] yAry)
             throws InterpssException

Set data points, assuming xAry and yAry have the same dimension

Specified by:

setData in interface ILookupTable

Parameters:

xAry -

yAry -

Throws:

InterpssException

setData

public void setData(java.util.List<Vector_xy> list)
             throws InterpssException

Constructor. If inverse = true. the position of (x,y) is switched

Specified by:

setData in interface ILookupTable

Parameters:

list -

Throws:

InterpssException

setData

public void setData(java.util.List<Vector_xy> list,
                    boolean inverse)
             throws InterpssException

Constructor. If inverse = true. the position of (x,y) is switched

Specified by:

setData in interface ILookupTable

Parameters:

list -

inverse -

Throws:

InterpssException

getY

public double getY(double x)
            throws InterpssException

Get y = f(x)

Specified by:

getY in interface ILookupTable

Parameters:

x - x value

Returns:

y value

Throws:

InterpssException

getDydx

public double getDydx(double x)
               throws InterpssException

Get dy/dx

Specified by:

getDydx in interface ILookupTable

Parameters:

x - x value

Returns:

dy/dx value

Throws:

InterpssException

getMax

public double[] getMax(double startX)
                throws InterpssException

starting from the point x, find [x, y] such that f(x) = max

Specified by:

getMax in interface ILookupTable

Parameters:

startX - the start point for search

Returns:

[x, y] as [0] and [1]

Throws:

InterpssException

closestPointLeft

public double closestPointLeft(double x0)

find closest point left to x

Parameters:

x -

Returns:

closestPointRight

public double closestPointRight(double x0)

find closest point right to x

Parameters:

x -

Returns:

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object