public void testHashCode() {
Complex x = new Complex(0.0, 0.0);
Complex y = new Complex(0.0, 0.0 + Double.MIN_VALUE);
assertFalse(x.hashCode() == y.hashCode());
y = new Complex(0.0 + Double.MIN_VALUE, 0.0);
assertFalse(x.hashCode() == y.hashCode());
Complex realNaN = new Complex(Double.NaN, 0.0);
Complex imaginaryNaN = new Complex(0.0, Double.NaN);
assertEquals(realNaN.hashCode(), imaginaryNaN.hashCode());
assertEquals(imaginaryNaN.hashCode(), Complex.NaN.hashCode());
}
/** Verify that either part NaN results in NaN */
public void testGetArgumentNaN() {
assertEquals(nan, nanZero.getArgument());
assertEquals(nan, zeroNaN.getArgument());
assertEquals(nan, Complex.NaN.getArgument());
}
public void testAbsNaN() {
assertTrue(Double.isNaN(Complex.NaN.abs()));
Complex z = new Complex(inf, nan);
assertTrue(Double.isNaN(z.abs()));
}
public void testTanhNaN() {
assertTrue(Complex.NaN.tanh().isNaN());
}
public void testSqrt1zNaN() {
assertTrue(Complex.NaN.sqrt1z().isNaN());
}
public void testSinhNaN() {
assertTrue(Complex.NaN.sinh().isNaN());
}
public void testPowNaNBase() {
Complex x = new Complex(3, 4);
assertTrue(Complex.NaN.pow(x).isNaN());
}
public void testLogNaN() {
assertTrue(Complex.NaN.log().isNaN());
}
public void testExpNaN() {
assertTrue(Complex.NaN.exp().isNaN());
}
public void testCoshNaN() {
assertTrue(Complex.NaN.cosh().isNaN());
}
public void testAtanNaN() {
assertTrue(Complex.NaN.atan().isNaN());
assertTrue(Complex.I.atan().isNaN());
}
public void testAsinNaN() {
assertTrue(Complex.NaN.asin().isNaN());
}
public void testAcosNaN() {
assertTrue(Complex.NaN.acos().isNaN());
}
public void testNegateNaN() {
Complex z = Complex.NaN.negate();
assertTrue(z.isNaN());
}
public void testConjugateNaN() {
Complex z = Complex.NaN.conjugate();
assertTrue(z.isNaN());
}
