// sample client for testing
public static void main(String[] args) {
Complex a = new Complex(5.0, 6.0);
Complex b = new Complex(-3.0, 4.0);
System.out.println("a = " + a);
System.out.println("b = " + b);
System.out.println("Re(a) = " + a.re());
System.out.println("Im(a) = " + a.im());
System.out.println("b + a = " + b.plus(a));
System.out.println("a - b = " + a.minus(b));
System.out.println("a * b = " + a.times(b));
System.out.println("b * a = " + b.times(a));
System.out.println("a / b = " + a.divides(b));
System.out.println("(a / b) * b = " + a.divides(b).times(b));
System.out.println("conj(a) = " + a.conjugate());
System.out.println("|a| = " + a.abs());
System.out.println("tan(a) = " + a.tan());
}
public void testConjugateInfiinite() {
Complex z = new Complex(0, inf);
assertEquals(neginf, z.conjugate().getImaginary(), 0);
z = new Complex(0, neginf);
assertEquals(inf, z.conjugate().getImaginary(), 0);
}
public void testConjugate() {
Complex x = new Complex(3.0, 4.0);
Complex z = x.conjugate();
assertEquals(3.0, z.getReal(), 1.0e-5);
assertEquals(-4.0, z.getImaginary(), 1.0e-5);
}