class DenseVector extends Vector {

	@Override
	public DenseVector minus(Vector other) {
		DenseVector r = this.clone();
		if (other instanceof DenseVector) {
			BLAS.axpy(-1.0, (DenseVector) other, r);
		} else {
			BLAS.axpy(-1.0, (SparseVector) other, r);
		}
		return r;
	}

	public  DenseVector();
	public  DenseVector(int n);
	public  DenseVector(double[] data);

}