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package collins.Multithreading;

import com.sun.org.apache.xerces.internal.dom.DeepNodeListImpl;
import java.util.Arrays;

/**
 *
 * @author collins
 */
public class MatrixVektor implements Runnable{
    
    //Instanzvariable fuer den Thread
    private static Thread thread;
    
    public MatrixVektor(){
        this.thread = new Thread(this, "Matrix-Vektor-Multiplikation");
        thread.start();
        
    }

    public static int[] matrixMultvektor(int[][] matrix, int[] vektor) {
        int[] result = null;
        for (int i = 0; i < matrix.length; i++) {
            for (int j = 0; j < matrix[i].length; j++) {
             result[i] += matrix[i][j] * vektor[j];
            }
        }
        return result;
    }

    public static void main(String[] args) {
        
        int[][] matrix = new int[][]{{1, 2}, {3, 4}};
        System.out.println("Matrix: \n" + Arrays.deepToString(matrix));
        //int[][] matrix = {{1,2},{3,4}};
        int[] vektor = new int[]{2, 2};
        System.out.println("Vektor: \n" + Arrays.toString(vektor));
        int[] result = new int[2];
        for (int i = 0; i < matrix.length; i++) {
            for (int j = 0; j < matrix[i].length; j++) {
                
                //Berechnung
                result[i] += matrix[i][j] * vektor[j];
            }
        }
        System.out.println("Matrix * Vektor: \n" + Arrays.toString(result));
    }

    @Override
    public void run() {
        while(true){
            System.out.println(this.thread.getName()+" running...");
            try{
                Thread.sleep(500);
            }
            catch(InterruptedException ie){
                
            }
        }
    }
}