def testAngle64(self):
    mag = np.random.rand(10).astype(np.float64)
    angle = (2 * np.pi * np.arange(10) / 100.).astype(np.float64)
    cplx = mag * np.exp(1j * angle)
    cplx = np.append(cplx, [1., 1.j, -1., -1.j])