def test_domain(self):
"""Test domain errors."""
rad = GaussLegendre(10)
with self.assertRaises(ValueError):
tf = IdentityRTransform()
tf.transform_1d_grid(rad)
with self.assertRaises(ValueError):
tf = LinearInfiniteRTransform(0.1, 1.5)
tf.transform_1d_grid(rad)
with self.assertRaises(ValueError):
tf = ExpRTransform(0.1, 1e1)
tf.transform_1d_grid(rad)
with self.assertRaises(ValueError):
tf = PowerRTransform(1e-3, 1e2)
tf.transform_1d_grid(rad)
with self.assertRaises(ValueError):
tf = HyperbolicRTransform(0.4 / 450, 1.0 / 450)
tf.transform_1d_grid(rad)
def test_hyperbolic_bounds(self):
"""Test hyperbolic tf raise errors."""
with self.assertRaises(ValueError):
HyperbolicRTransform(0, 1.0 / 450)
with self.assertRaises(ValueError):
HyperbolicRTransform(-0.1, 1.0 / 450)
a = np.ones(450)
tf = HyperbolicRTransform(0.4, 1.0)
with self.assertRaises(ValueError):
tf.transform(a)
with self.assertRaises(ValueError):
tf.deriv(a)
with self.assertRaises(ValueError):
tf.deriv2(a)
with self.assertRaises(ValueError):
tf.deriv3(a)
with self.assertRaises(ValueError):
tf.inverse(a)
with self.assertRaises(ValueError):
a = np.ones(3)
tf = HyperbolicRTransform(0.4, 0.5)
tf.transform(a)
with self.assertRaises(ValueError):
HyperbolicRTransform(0.2, 0.0)
with self.assertRaises(ValueError):
HyperbolicRTransform(0.2, -1.0)
def test_hyperbolic_properties(self):
"""Test hyperbolic tf properties."""
rtf = HyperbolicRTransform(0.4 / 450, 1.0 / 450)
assert rtf.a == 0.4 / 450
assert rtf.b == 1.0 / 450
def test_hyperbolic_basics(self):
"""Test hyperbolic tf."""
rtf = HyperbolicRTransform(0.4 / 450, 1.0 / 450)
self.check_consistency(rtf)
self.check_deriv(rtf)