def test_update_coef(self):
"""
Test that the move is different from original move since
diffusion coefficient is different
Use the py.test -s flag to view the difference between the two
"""
np.set_printoptions(precision=6)
delta = np.zeros((self.cm.num_le,), dtype=world_point)
self.move(delta) # get the move before changing the coefficient
print
print "diffusion_coef = {0.diffusion_coef}".format(self.rm),
print "get_move output:"
print delta.view(dtype=np.float64).reshape(-1, 3)
self.rm.diffusion_coef = 10
assert self.rm.diffusion_coef == 10
srand(1)
new_delta = np.zeros((self.cm.num_le,), dtype=world_point)
self.move(new_delta) # get the move after changing coefficient
print
print "diffusion_coef = {0.diffusion_coef}".format(self.rm),
print "get_move output:"
print new_delta.view(dtype=np.float64).reshape(-1, 3)
print
print "-- Norm of difference between movement vector --"
print self._diff(delta, new_delta).reshape(-1, 1)
assert np.all(delta["lat"] != new_delta["lat"])
assert np.all(delta["long"] != new_delta["long"])
self.rm.diffusion_coef = 100000 # reset it
def test_update_coef(self):
"""
Test that the move is different from original move since
vertical diffusion coefficient is different
Use the py.test -s flag to view the difference between the two
"""
np.set_printoptions(precision=6)
delta = np.zeros((self.cm.num_le, ), dtype=world_point)
self.move(delta) # get the move before changing the coefficient
print
print self.msg.format(self.rm) + ' get_move output:'
print delta.view(dtype=np.float64).reshape(-1, 3)
self.rm.vertical_diffusion_coef_above_ml = 10
assert self.rm.vertical_diffusion_coef_above_ml == 10
srand(1)
new_delta = np.zeros((self.cm.num_le, ), dtype=world_point)
self.move(new_delta) # get the move after changing coefficient
print
print self.msg.format(self.rm) + ' get_move output:'
print new_delta.view(dtype=np.float64).reshape(-1, 3)
print
print '-- Norm of difference between movement vector --'
print self._diff(delta, new_delta).reshape(-1, 1)
assert np.all(delta['z'] != new_delta['z'])
self.rm.vertical_diffusion_coef_above_ml = 5 # reset it
def test_seed(self):
"""
Since seed is not reset, the move should be repeatable
"""
delta = np.zeros((self.cm.num_le, ), dtype=world_point)
self.move(delta)
srand(1)
new_delta = np.zeros((self.cm.num_le, ), dtype=world_point)
self.move(new_delta)
print
print '-- Do not reset seed and call get move again',
print 'to get identical results --'
print 'get_move results 1st time:'
print delta.view(dtype=np.float64).reshape(-1, 3)
print 'get_move results 2nd time - same seed:'
print new_delta.view(dtype=np.float64).reshape(-1, 3)
print
assert np.all(delta['lat'] == new_delta['lat'])
assert np.all(delta['long'] == new_delta['long'])
assert np.all(delta['z'] == new_delta['z'])
print '-- Norm of difference between movement vector --'
print self._diff(delta, new_delta)
def test_update_horiz_coef(self):
"""
Test that the move is different from original move since
horizontal diffusion coefficient is different
Use the py.test -s flag to view the difference between the two
"""
np.set_printoptions(precision=6)
delta = np.zeros((self.cm.num_le, ), dtype=world_point)
self.move(delta) # get the move before changing the coefficient
print
print self.msg.format(self.rm) + ' get_move output:'
print delta.view(dtype=np.float64).reshape(-1, 3)
self.rm.horizontal_diffusion_coef_above_ml = 1000
assert self.rm.horizontal_diffusion_coef_above_ml == 1000
srand(1)
new_delta = np.zeros((self.cm.num_le, ), dtype=world_point)
self.move(new_delta) # get the move after changing coefficient
print
print self.msg.format(self.rm) + ' get_move output:'
print new_delta.view(dtype=np.float64).reshape(-1, 3)
print
print '-- Norm of difference between movement vector --'
print self._diff(delta, new_delta).reshape(-1, 1)
assert np.all(delta['lat'] != new_delta['lat'])
assert np.all(delta['long'] != new_delta['long'])
self.rm.horizontal_diffusion_coef_above_ml = 100000 # reset it
def test_update_coef(self):
"""
Test that the move is different from original move
since rise velocity is different
Use the py.test -s flag to view the difference between the two
"""
# cy_helpers.srand(1) # this happens in conftest.py before every test
np.set_printoptions(precision=6)
delta = np.zeros((self.cm.num_le, ), dtype=world_point)
self.move(delta) # get the move before changing the coefficient
print
print 'rise_velocity = '
print self.rise_velocity
print 'get_move output:'
print delta.view(dtype=np.float64).reshape(-1, 3)
self.rise_velocity = np.linspace(0.02, 0.05, self.cm.num_le)
print 'rise_velocity = '
print self.rise_velocity
srand(1)
new_delta = np.zeros((self.cm.num_le, ), dtype=world_point)
self.move(new_delta) # get the move after changing coefficient
print
print 'get_move output:'
print new_delta.view(dtype=np.float64).reshape(-1, 3)
print
print '-- Norm of difference between movement vector --'
print self._diff(delta, new_delta).reshape(-1, 1)
assert np.all(delta['z'] != new_delta['z'])
def test_update_coef(self):
"""
Test that the move is different from original move
since rise velocity is different
Use the py.test -s flag to view the difference between the two
"""
# cy_helpers.srand(1) # this happens in conftest.py before every test
np.set_printoptions(precision=6)
delta = np.zeros((self.cm.num_le, ), dtype=world_point)
self.move(delta) # get the move before changing the coefficient
print
print 'rise_velocity = '
print self.rise_velocity
print 'get_move output:'
print delta.view(dtype=np.float64).reshape(-1, 3)
self.rise_velocity = np.linspace(0.02, 0.05, self.cm.num_le)
print 'rise_velocity = '
print self.rise_velocity
srand(1)
new_delta = np.zeros((self.cm.num_le, ), dtype=world_point)
self.move(new_delta) # get the move after changing coefficient
print
print 'get_move output:'
print new_delta.view(dtype=np.float64).reshape(-1, 3)
print
print '-- Norm of difference between movement vector --'
print self._diff(delta, new_delta).reshape(-1, 1)
assert np.all(delta['z'] != new_delta['z'])
def seed(seed=1):
"""
Set the C++, the python and the numpy random seed to desired value
:param seed: Random number generator should be seeded by this value.
Default is 1
"""
cy_helpers.srand(seed)
random.seed(seed)
np.random.seed(seed)
def seed(seed=1):
"""
Set the C++, the python and the numpy random seed to desired value
:param seed: Random number generator should be seeded by this value.
Default is 1
"""
cy_helpers.srand(seed)
random.seed(seed)
np.random.seed(seed)
def test_mixed_layer_zero(self):
"""
Test that the move for z above the mixed layer
is different from move for z below the mixed layer
and the same if the mixed layer is zero
Use the py.test -s flag to view the differences
"""
srand(1)
np.set_printoptions(precision=6)
delta = np.zeros((self.cm.num_le, ), dtype=world_point)
self.move(delta) # get the move before changing the coefficient
print
print self.msg.format(self.rm) + ' get_move output:'
print delta.view(dtype=np.float64).reshape(-1, 3)
srand(1)
self.cm.ref['z'][:]=20
new_delta = np.zeros((self.cm.num_le, ), dtype=world_point)
self.move(new_delta) # get the move after changing coefficient
print
print self.msg.format(self.rm) + ' get_move output:'
print new_delta.view(dtype=np.float64).reshape(-1, 3)
print
assert np.all(delta['z'] != new_delta['z'])
print '-- Norm of difference between movement vector --'
print self._diff(delta, new_delta).reshape(-1, 1)
self.rm.mixed_layer_depth = 0
srand(1)
self.cm.ref['z'][:]=.1
newer_delta = np.zeros((self.cm.num_le, ), dtype=world_point)
self.move(newer_delta) # get the move after changing mld
print
print self.msg.format(self.rm) + ' get_move output:'
print newer_delta.view(dtype=np.float64).reshape(-1, 3)
print
msg = r"{0} move is not within a tolerance of {1}"
tol = 1e-10
np.testing.assert_allclose(
new_delta['z'],
newer_delta['z'],
tol,
tol,
msg.format('random_vertical', tol),
0,
)
print '-- Norm of difference between movement vector --'
print self._diff(new_delta, newer_delta).reshape(-1, 1)
self.rm.mixed_layer_depth = 10
def test_mixed_layer_zero(self):
"""
Test that the move for z above the mixed layer
is different from move for z below the mixed layer
and the same if the mixed layer is zero
Use the py.test -s flag to view the differences
"""
srand(1)
np.set_printoptions(precision=6)
delta = np.zeros((self.cm.num_le, ), dtype=world_point)
self.move(delta) # get the move before changing the coefficient
print
print self.msg.format(self.rm) + ' get_move output:'
print delta.view(dtype=np.float64).reshape(-1, 3)
srand(1)
self.cm.ref['z'][:]=20
new_delta = np.zeros((self.cm.num_le, ), dtype=world_point)
self.move(new_delta) # get the move after changing coefficient
print
print self.msg.format(self.rm) + ' get_move output:'
print new_delta.view(dtype=np.float64).reshape(-1, 3)
print
assert np.all(delta['z'] != new_delta['z'])
print '-- Norm of difference between movement vector --'
print self._diff(delta, new_delta).reshape(-1, 1)
self.rm.mixed_layer_depth = 0
srand(1)
self.cm.ref['z'][:]=.1
newer_delta = np.zeros((self.cm.num_le, ), dtype=world_point)
self.move(newer_delta) # get the move after changing mld
print
print self.msg.format(self.rm) + ' get_move output:'
print newer_delta.view(dtype=np.float64).reshape(-1, 3)
print
msg = r"{0} move is not within a tolerance of {1}"
tol = 1e-10
np.testing.assert_allclose(
new_delta['z'],
newer_delta['z'],
tol,
tol,
msg.format('random_vertical', tol),
0,
)
print '-- Norm of difference between movement vector --'
print self._diff(new_delta, newer_delta).reshape(-1, 1)
self.rm.mixed_layer_depth = 10