/**
* For datasets, the equals() method just checks keys and values.
*/
public void testEquals() {
PowerFunction2D f1 = new PowerFunction2D(1.0, 2.0);
PowerFunction2D f2 = new PowerFunction2D(1.0, 2.0);
assertTrue(f1.equals(f2));
f1 = new PowerFunction2D(2.0, 3.0);
assertFalse(f1.equals(f2));
f2 = new PowerFunction2D(2.0, 3.0);
assertTrue(f1.equals(f2));
}