umontreal.iro.lecuyer.functions
Class PiecewiseConstantFunction

java.lang.Object
  umontreal.iro.lecuyer.functions.PiecewiseConstantFunction

All Implemented Interfaces:

MathFunction

public class PiecewiseConstantFunction
extends Object
implements MathFunction

Represents a piecewise-constant function.

Constructor Summary

PiecewiseConstantFunction(double[] x, double[] y)
Constructs a new piecewise-constant function with X and Y coordinates given by x and y.

Method Summary

double	evaluate(double x) Returns the value of the function evaluated at x.
double[]	getX() Returns the X coordinates of the function.
double[]	getY() Returns the Y coordinates of the function.

Methods inherited from class java.lang.Object

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

Constructor Detail

PiecewiseConstantFunction

public PiecewiseConstantFunction(double[] x,
                                 double[] y)

Constructs a new piecewise-constant function with X and Y coordinates given by x and y.

Parameters:

x - the X coordinates.

y - the Y coordinates.

Method Detail

getX

public double[] getX()

Returns the X coordinates of the function.

Returns:

the X coordinates of the function.

getY

public double[] getY()

Returns the Y coordinates of the function.

Returns:

the Y coordinates of the function.

evaluate

public double evaluate(double x)

Description copied from interface: MathFunction

Returns the value of the function evaluated at x.

Specified by:

evaluate in interface MathFunction

Parameters:

x - value at which the function is evaluated

Returns:

function evaluated at x