@Test
public void testMultiplyByVectorPairwiseWithoutCopy() {

	double[] data = { 2, 2 };
	IVector toMultiply = new SparseDoubleVector(data);
	IVector vector = new SparseDoubleVector(data);
	vector.multiplyByVectorPairwise(toMultiply);
	this.assertResultVectorIs4(vector);
}