// Written by Zhuang Guo
//	Minor modifications by Paul Lu

public class WorkerThread extends Thread{
   private Matrix A;
   private Matrix B;
   private Matrix C;
   private int row_start;
   private int row_end;

   public WorkerThread(Matrix a, Matrix b, Matrix c,
   			int rstart, int rend){
      this.A = a;
      this.B = b;
      this.C = c;
      this.row_start = rstart;
      this.row_end = rend;
   }

   public void run(){
      for(int i=row_start;i<row_end;i++)
         for(int j=0;j<B.height();j++){
	    double value = 0;
	    
	    for(int k=0;k<A.width();k++)
	       value += A.element(i,k)*B.element(k,j);

	    C.element(i,j,value);
	 }
   }
}