public void testExp() {
Complex z = new Complex(3, 4);
Complex expected = new Complex(-13.12878, -15.20078);
TestUtils.assertEquals(expected, z.exp(), 1.0e-5);
TestUtils.assertEquals(Complex.ONE, Complex.ZERO.exp(), 10e-12);
Complex iPi = Complex.I.multiply(new Complex(pi, 0));
TestUtils.assertEquals(Complex.ONE.negate(), iPi.exp(), 10e-12);
}
public void testPowZero() {
TestUtils.assertSame(Complex.NaN, Complex.ZERO.pow(Complex.ONE));
TestUtils.assertSame(Complex.NaN, Complex.ZERO.pow(Complex.ZERO));
TestUtils.assertSame(Complex.NaN, Complex.ZERO.pow(Complex.I));
TestUtils.assertEquals(Complex.ONE, Complex.ONE.pow(Complex.ZERO), 10e-12);
TestUtils.assertEquals(Complex.ONE, Complex.I.pow(Complex.ZERO), 10e-12);
TestUtils.assertEquals(Complex.ONE, new Complex(-1, 3).pow(Complex.ZERO), 10e-12);
}
public void testAtanNaN() {
assertTrue(Complex.NaN.atan().isNaN());
assertTrue(Complex.I.atan().isNaN());
}