JSci.maths.wavelet.MultiscaleFunction Maven / Gradle / Ivy

package JSci.maths.wavelet;

/*****************************************
* Abstract encapsulation mostly meant for
* wavelet functions (dyadic case).
* @author Daniel Lemire
*****************************************/
public abstract class MultiscaleFunction implements Cloneable {
	public abstract int dimension(int jfin);

	public abstract int dimension();
  /********************************************
  * Return a copy of the object
  *********************************************/
	public  Object clone() {
    try {
      MultiscaleFunction mf=(MultiscaleFunction) super.clone();
      return(mf);
    } catch (CloneNotSupportedException cnse) {
      throw new InternalError();
    }
  }
  /**********************************************
  * Return a string representing the object
  ***********************************************/
  public abstract String toString();

	/************************************************
  * Return as an array the sampled values
  * of the function
  * @param j number of iterations
	*************************************************/
	public abstract double[] evaluate (int j) ;

  /******************************************
  * Compute the mass (integral)
  * @param a left boundary of the interval
  * @param b right boundary of the interval
  * @param jfin number of iterations to consider
  *   (precision)
  **********************************************/
	public double mass(double a, double b, int jfin) {
		double somme=0;
		double[] values=evaluate(jfin);
		for(int k=1;k