def test_linear_basics(self):
"""Test linear tf."""
gd = np.ones(100) * 0
rtf = LinearRTransform(-0.7, 0.8)
assert abs(rtf.transform(gd)[0] - -0.7) < 1e-15
gd = np.ones(100) * 99
assert abs(rtf.transform(gd)[0] - 0.8) < 1e-10
self.check_consistency(rtf)
self.check_deriv(rtf)
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 = LinearRTransform(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_linear_bounds(self):
"""Test linear tf raise errors."""
with self.assertRaises(ValueError):
LinearRTransform(1.1, 0.9)
def test_linear_properties(self):
"""Test linear tf properties."""
rtf = LinearRTransform(-0.7, 0.8)
assert rtf.rmin == -0.7
assert rtf.rmax == 0.8