def test_not_complex(self):
"""Test that returned object is not complex."""
Vphi = np.array([1, 2]).reshape((2, 1))
phidot = np.array([1, 1]).reshape((2, 1))
H = np.array([1]).reshape((1, 1))
modes = np.array([[1, 1j], [-1j, 3 - 1j]]).reshape((2, 2, 1))
modesdot = np.array([[1, -1j], [1j, 3 + 1j]]).reshape((2, 2, 1))
axis = 0
arr = adiabatic.Pzeta_spectrum(Vphi, phidot, H, modes, modesdot, axis)
assert_((not np.iscomplexobj(arr)))
def test_imaginary(self):
"""Test calculation with complex values."""
Vphi = np.array([1, 2]).reshape((2, 1))
phidot = np.array([1, 1]).reshape((2, 1))
H = np.array([1]).reshape((1, 1))
modes = np.array([[1, 1j], [-1j, 3 - 1j]]).reshape((2, 2, 1))
modesdot = np.array([[1, -1j], [1j, 3 + 1j]]).reshape((2, 2, 1))
axis = 0
arr = adiabatic.Pzeta_spectrum(Vphi, phidot, H, modes, modesdot, axis)
desired = np.array([38 / 36.0])
assert_almost_equal(arr, desired)
def test_singlefield(self):
"""Test single field calculation."""
modes = np.array([[7]])
modesdot = np.array([[5]])
Vphi = 3
phidot = 0.5
H = 2
axis = 0
actual = (29.25)**2 / 9.0
arr = adiabatic.Pzeta_spectrum(Vphi, phidot, H, modes, modesdot, axis)
assert_almost_equal(arr, actual)
def test_two_by_two_by_one(self):
"""Test that 2x2x1 calculation works."""
Vphi = np.array([5.5, 2.3]).reshape((2, 1))
phidot = np.array([2, 5]).reshape((2, 1))
modes = np.array([[1 / 3.0, 0.1], [0.1, 0.5]]).reshape((2, 2, 1))
modesdot = np.array([[0.1, 0.2], [0.2, 1 / 7.0]]).reshape((2, 2, 1))
axis = 0
H = np.array([3]).reshape((1, 1))
arr = adiabatic.Pzeta_spectrum(Vphi, phidot, H, modes, modesdot, axis)
desired = np.array([135451.600445493 / (783**2)])
assert_almost_equal(arr, desired)
def test_shape(self):
"""Test whether the rhodots are shaped correctly."""
arr = adiabatic.Pzeta_spectrum(self.Vphi, self.phidot, self.H,
self.modes, self.modesdot, self.axis)
result = arr.shape
newshape = list(self.phidot.shape)
del newshape[self.axis]
actual = tuple(newshape)
assert_(
result == actual, "Result shape %s, but desired shape is %s" %
(str(result), str(actual)))