class TestFreeForm(unittest.TestCase):
def setUp(self):
SP.random.seed(1)
self.n = 4
self.C = FreeFormCov(self.n)
self.name = 'freeform'
self.n_params = self.C.getNumberParams()
params = SP.randn(self.n_params)
self.C.setParams(params)
def test_grad(self):
def func(x, i):
self.C.setParams(x)
return self.C.K()
def grad(x, i):
self.C.setParams(x)
return self.C.K_grad_i(i)
x0 = self.C.getParams()
err = mcheck_grad(func, grad, x0)
np.testing.assert_almost_equal(err, 0., decimal=6)
def test_param_activation(self):
self.assertEqual(len(self.C.getParams()), 10)
self.C.act_K = False
self.assertEqual(len(self.C.getParams()), 0)
self.C.setParams(np.array([]))
with self.assertRaises(ValueError):
self.C.setParams(np.array([0]))
with self.assertRaises(ValueError):
self.C.K_grad_i(0)
