def test_bad_set_unknown(self):
unknowns_dict = OrderedDict()
unknowns_dict['y1'] = {
'shape': (3, 2),
'size': 6,
'val': np.ones((3, 2))
}
for u, meta in unknowns_dict.items():
meta['pathname'] = u
meta['promoted_name'] = u
u = SrcVecWrapper()
u.setup(unknowns_dict, store_byobjs=True)
u = SrcVecWrapper()
u.setup(unknowns_dict, store_byobjs=True)
try:
u['A.y1'] = np.zeros((3, 2))
except KeyError as err:
self.assertEqual(str(err), '"Variable \'A.y1\' does not exist"')
else:
self.fail('KeyError expected')
def test_correct_keys_in_jac(self):
expected_keys = [('y', 'x')]
params_dict = OrderedDict()
params_dict['x'] = {
'val': np.ones((2)),
'pathname': 'x',
'promoted_name': 'x',
'shape': 2,
'size': 2
}
unknowns_dict = OrderedDict()
unknowns_dict['y'] = {
'val': np.zeros((2)),
'pathname': 'y',
'promoted_name': 'y',
'shape': 2,
'size': 2
}
resids_dict = OrderedDict()
resids_dict['y'] = {
'val': np.zeros((2)),
'pathname': 'y',
'promoted_name': 'y',
'shape': 2,
'size': 2
}
params = SrcVecWrapper()
params.setup(params_dict, store_byobjs=True)
unknowns = SrcVecWrapper()
unknowns.setup(unknowns_dict, store_byobjs=True)
resids = SrcVecWrapper()
resids.setup(resids_dict, store_byobjs=True)
jac = self.p.root.c1.fd_jacobian(params, unknowns, resids)
self.assertEqual(set(expected_keys), set(jac.keys()))
def test_view(self):
unknowns_dict = OrderedDict()
unknowns_dict['C1.y1'] = {
'shape': (3, 2),
'size': 6,
'val': np.ones((3, 2))
}
unknowns_dict['C1.y2'] = {'shape': 1, 'size': 1, 'val': 2.0}
unknowns_dict['C1.y3'] = {'size': 0, 'val': "foo", 'pass_by_obj': True}
unknowns_dict['C2.y4'] = {
'shape': (2, 1),
'val': np.zeros((2, 1)),
'size': 2,
}
unknowns_dict['C2.s1'] = {
'shape': 1,
'size': 1,
'val': -1.0,
'state': True,
}
for u, meta in unknowns_dict.items():
meta['pathname'] = u
meta['promoted_name'] = u
u = SrcVecWrapper()
u.setup(unknowns_dict, store_byobjs=True)
varmap = OrderedDict([
('C1.y1', 'y1'),
('C1.y2', 'y2'),
('C1.y3', 'y3'),
])
uview = u.get_view('noname', None, varmap)
self.assertEqual(list(uview.keys()), ['y1', 'y2', 'y3'])
uview['y2'] = 77.
uview['y3'] = 'bar'
self.assertEqual(uview['y2'], 77.)
self.assertEqual(u['C1.y2'], 77.)
self.assertEqual(uview['y3'], 'bar')
self.assertEqual(u['C1.y3'], 'bar')
# now get a view that's empty
uview2 = u.get_view('nonname', None, {})
self.assertEqual(list(uview2.keys()), [])
def test_flat(self):
unknowns_dict = OrderedDict()
unknowns_dict['C1.y1'] = {
'shape': (3, 2),
'size': 6,
'val': np.ones((3, 2))
}
unknowns_dict['C1.y2'] = {'shape': 1, 'size': 1, 'val': 2.0}
unknowns_dict['C1.y3'] = {'size': 0, 'val': "foo", 'pass_by_obj': True}
unknowns_dict['C2.y4'] = {
'shape': (2, 1),
'size': 2,
'val': np.zeros((2, 1)),
}
unknowns_dict['C2.s1'] = {
'shape': 1,
'size': 1,
'val': -1.0,
'state': True,
}
for u, meta in unknowns_dict.items():
meta['pathname'] = u
meta['promoted_name'] = u
u = SrcVecWrapper()
u.setup(unknowns_dict, store_byobjs=True)
self.assertTrue(
(np.array(u.flat['C1.y1']) == np.array([1., 1., 1., 1., 1.,
1.])).all())
self.assertTrue((np.array(u.flat['C1.y2']) == np.array([2.])).all())
try:
u.flat['C1.y3']
except Exception as err:
self.assertEqual(
str(err),
"'C1.y3' is a 'pass by object' variable. Flat value not found."
)
else:
self.fail('Exception expected')
self.assertTrue((np.array(u.flat['C2.y4']) == np.array([0.,
0.])).all())
self.assertTrue((np.array(u.flat['C2.s1']) == np.array([-1.])).all())
def test_norm(self):
unknowns_dict = OrderedDict()
unknowns_dict['y1'] = {
'shape': (2, 1),
'size': 2,
'val': np.array([2.0, 3.0])
}
unknowns_dict['y2'] = {'shape': 1, 'size': 1, 'val': -4.0}
for u, meta in unknowns_dict.items():
meta['pathname'] = u
meta['promoted_name'] = u
u = SrcVecWrapper()
u.setup(unknowns_dict, store_byobjs=True)
unorm = u.norm()
self.assertAlmostEqual(unorm, np.linalg.norm(np.array([2.0, 3.0,
-4.0])))
def test_correct_vals_in_jac(self):
params_dict = OrderedDict()
params_dict['x'] = {
'val': np.ones((2)),
'pathname': 'x',
'promoted_name': 'x',
'shape': 2,
'size': 2
}
unknowns_dict = OrderedDict()
unknowns_dict['y'] = {
'val': np.zeros((2)),
'pathname': 'y',
'promoted_name': 'y',
'shape': 2,
'size': 2
}
resids_dict = OrderedDict()
resids_dict['y'] = {
'val': np.zeros((2)),
'pathname': 'y',
'promoted_name': 'y',
'shape': 2,
'size': 2
}
params = SrcVecWrapper()
params.setup(params_dict, store_byobjs=True)
unknowns = SrcVecWrapper()
unknowns.setup(unknowns_dict, store_byobjs=True)
resids = SrcVecWrapper()
resids.setup(resids_dict, store_byobjs=True)
self.p.root.c1.solve_nonlinear(params, unknowns, resids)
jac = self.p.root.c1.fd_jacobian(params, unknowns, resids)
expected_jac = {('y', 'x'): np.array([[2., 7.], [5., -3.]])}
assert_equal_jacobian(self, jac, expected_jac, 1e-8)
#Got lucky that the way this comp was written, it would accept any square
# matrix. But provided jacobian would be really wrong!
params_dict = OrderedDict()
params_dict['x'] = {
'val': np.ones((2, 2)),
'pathname': 'x',
'promoted_name': 'x',
'shape': (2, 2),
'size': 4
}
unknowns_dict = OrderedDict()
unknowns_dict['y'] = {
'val': np.zeros((2, 2)),
'pathname': 'y',
'promoted_name': 'y',
'shape': (2, 2),
'size': 4
}
resids_dict = OrderedDict()
resids_dict['y'] = {
'val': np.zeros((2, 2)),
'pathname': 'y',
'promoted_name': 'y',
'shape': (2, 2),
'size': 4
}
params = SrcVecWrapper()
params.setup(params_dict, store_byobjs=True)
unknowns = SrcVecWrapper()
unknowns.setup(unknowns_dict, store_byobjs=True)
resids = SrcVecWrapper()
resids.setup(resids_dict, store_byobjs=True)
self.p.root.c1.solve_nonlinear(params, unknowns, resids)
jac = self.p.root.c1.fd_jacobian(params, unknowns, resids)
expected_jac = {
('y', 'x'):
np.array([[2, 0, 7, 0], [0, 2, 0, 7], [5, 0, -3, 0], [0, 5, 0,
-3]])
}
assert_equal_jacobian(self, jac, expected_jac, 1e-8)
def test_correct_vals_in_jac_implicit(self):
params_dict = OrderedDict()
params_dict['x'] = {
'val': np.array([0.5]),
'pathname': 'x',
'promoted_name': 'x',
'shape': (1, ),
'size': 1
}
unknowns_dict = OrderedDict()
unknowns_dict['y'] = {
'val': np.array([0.0]),
'pathname': 'y',
'promoted_name': 'y',
'shape': (1, ),
'size': 1
}
unknowns_dict['z'] = {
'val': np.array([0.0]),
'pathname': 'z',
'promoted_name': 'z',
'shape': (1, ),
'size': 1
}
resids_dict = OrderedDict()
resids_dict['y'] = {
'val': np.array([0.0]),
'pathname': 'y',
'promoted_name': 'y',
'shape': (1, ),
'size': 1
}
resids_dict['z'] = {
'val': np.array([0.0]),
'pathname': 'z',
'promoted_name': 'z',
'shape': (1, ),
'size': 1
}
params = SrcVecWrapper()
params.setup(params_dict, store_byobjs=True)
unknowns = SrcVecWrapper()
unknowns.setup(unknowns_dict, store_byobjs=True)
resids = SrcVecWrapper()
resids.setup(resids_dict, store_byobjs=True)
# Partials
self.p.root.ci1.solve_nonlinear(params, unknowns, resids)
jac = self.p.root.ci1.fd_jacobian(params, unknowns, resids)
expected_jac = {}
# Output equation
expected_jac[('y', 'x')] = 1.
expected_jac[('y', 'z')] = 2.0
# State equation
expected_jac[('z', 'z')] = params['x'] + 1
expected_jac[('z', 'x')] = unknowns['z']
assert_equal_jacobian(self, jac, expected_jac, 1e-8)
# Totals
# Really tighten this up
self.p.root.ci1.atol = 1e-14
self.p.root.ci1.solve_nonlinear(params, unknowns, resids)
jac = self.p.root.ci1.fd_jacobian(params,
unknowns,
resids,
total_derivs=True)
expected_jac = {}
expected_jac[('y', 'x')] = -2.5555555555555554
expected_jac[('z', 'x')] = -1.7777777777777777
assert_equal_jacobian(self, jac, expected_jac, 1e-5)
def test_vecwrapper(self):
unknowns_dict = OrderedDict()
unknowns_dict['y1'] = {
'shape': (3, 2),
'size': 6,
'val': np.ones((3, 2))
}
unknowns_dict['y2'] = {'shape': 1, 'size': 1, 'val': 2.0}
unknowns_dict['y3'] = {'size': 0, 'val': "foo", 'pass_by_obj': True}
unknowns_dict['y4'] = {
'shape': (2, 1),
'size': 2,
'val': np.zeros((2, 1)),
}
unknowns_dict['s1'] = {
'shape': 1,
'size': 1,
'val': -1.0,
'state': True,
}
for u, meta in unknowns_dict.items():
meta['pathname'] = u
meta['promoted_name'] = u
u = SrcVecWrapper()
u.setup(unknowns_dict, store_byobjs=True)
self.assertEqual(u.vec.size, 10)
self.assertEqual(len(u), 5)
self.assertEqual(list(u.keys()), ['y1', 'y2', 'y3', 'y4', 's1'])
self.assertTrue(np.all(u['y1'] == np.ones((3, 2))))
self.assertEqual(u['y2'], 2.0)
self.assertEqual(u['y3'], 'foo')
self.assertTrue(np.all(u['y4'] == np.zeros((2, 1))))
self.assertEqual(u['s1'], -1.0)
self.assertEqual(u.get_states(), ['s1'])
self.assertEqual([t[0] for t in u.get_vecvars()],
['y1', 'y2', 'y4', 's1'])
self.assertEqual([t[0] for t in u.get_byobjs()], ['y3'])
u['y1'] = np.ones((3, 2)) * 3.
u['y2'] = 2.5
u['y3'] = 'bar'
u['y4'] = np.ones((2, 1)) * 7.
u['s1'] = 5.
self.assertTrue(np.all(u['y1'] == np.ones((3, 2)) * 3.))
self.assertTrue(np.all(u['y4'] == np.ones((2, 1)) * 7.))
self.assertEqual(u['y2'], 2.5)
self.assertEqual(u['y3'], 'bar')
self.assertEqual(u['s1'], 5.)
# set with a different shaped array
try:
u['y1'] = np.ones((3, 3))
except Exception as err:
self.assertEqual(
str(err),
"could not broadcast input array from shape (9) into shape (6)"
)
else:
self.fail("Exception expected")
params = OrderedDict()
params['y1'] = {'shape': (3, 2), 'size': 6, 'val': np.ones((3, 2))}
params['y2'] = {'shape': 1, 'size': 1, 'val': 2.0}
params['y3'] = {'size': 0, 'val': "foo"}
params['y4'] = {'shape': (2, 1), 'size': 6, 'val': np.zeros((2, 1))}
for p, meta in params.items():
meta['pathname'] = p
meta['promoted_name'] = p
connections = {}
for p in params:
connections[p] = p
p = TgtVecWrapper()
p.setup(None, params, u, params.keys(), connections, store_byobjs=True)
self.assertEqual(p.vec.size, 9)
self.assertEqual(len(p), 4)
self.assertEqual(list(p.keys()), ['y1', 'y2', 'y3', 'y4'])
self.assertTrue(np.all(p['y1'] == np.zeros((3, 2))))
self.assertEqual(p['y2'], 0.)
self.assertEqual(p['y3'], 'bar')
self.assertTrue(np.all(p['y4'] == np.zeros((2, 1))))
p['y1'] = np.ones((3, 2)) * 9.
self.assertTrue(np.all(p['y1'] == np.ones((3, 2)) * 9.))