package tscore;

/* File : Integrator.java

* Project: Math Tools in Java

* Purpose: Abstract class for Integration

* Author : Wachara R.

* First Released: Wed 07 Mar 2007

* Last Updated : Wed 07 Mar 2007

*/

//import common.Function;

/** Abstract class for integration */

public abstract class Integrator {

/** Function to integrate */ Function function;

/** the number of equal-width intervals */ int intervals;

/** the lower limit of integration */ double lower;

/** the upper limit of integration */ double upper;

/** Integration results */ double IntegrationResult;

Integrator() { }

Integrator( Function f, double a, double b, int n){

this.function = f;

this.lower = a;

this.upper = b;

this.intervals = n;

}

/** getting the Integration result */

public double getIntegrationResult(){ return IntegrationResult;}

/** Compute the area at nth region */

abstract double integrate()throws IntegrationException;

abstract double findAreaUnderCurve(double x_left, double h);

}