/**
 * Tools. Well, not many of them. You can put your additional helper routines
 * for example here if you play around with these example codes any longer...
 */

/**
 * 
 *
 */
public class Tools {
    public static double[][] threshold(double[][] original, double threshold){
        double[][] result = new double[original.length][original[0].length];
        for(int i=0;i<original.length;i++){
            for(int j=0;j<original[0].length;j++){
                result[i][j] = original[i][j]>=threshold ? 1.0 : 0.0;
            }
        }
        return result;
    }
}