Complex e = new Complex(1.09868411346781, 0.45508986056222733, "j");
assertEquals(e, EngineeringFns.engineerImsqrt(s, null));
}
public static void testEngineerImsub() {
String[] s = {"13+4i","5+3i"};
Complex e = new Complex(8, 1);
assertEquals(e, EngineeringFns.engineerImsub(s, null));
}