@Test
public void testEqualsAndHashCode() {
final DeltaMeanCalculator f1 = new DeltaMeanCalculator(ALGEBRA);
final DeltaMeanCalculator f2 = new DeltaMeanCalculator(new ColtMatrixAlgebra());
assertEquals(f1, F);
assertEquals(f1.hashCode(), F.hashCode());
assertFalse(f1.equals(f2));
}
