def test_final_state(croupier, backend):
from PySDM.backends import ThrustRTC
if backend is ThrustRTC:
return # TODO #330
# Arrange
n_part = 100000
v_mean = 2e-6
d = 1.2
n_sd = 32
x = 4
y = 4
attributes = {}
spectrum = Lognormal(n_part, v_mean, d)
attributes['volume'], attributes['n'] = Linear(spectrum).sample(n_sd)
core = DummyCore(backend, n_sd)
core.environment = DummyEnvironment(grid=(x, y))
core.croupier = croupier
attributes['cell id'] = np.array((n_sd, ), dtype=int)
cell_origin_np = np.concatenate(
[np.random.randint(0, x, n_sd),
np.random.randint(0, y, n_sd)]).reshape((2, -1))
attributes['cell origin'] = cell_origin_np
position_in_cell_np = np.concatenate(
[np.random.rand(n_sd), np.random.rand(n_sd)]).reshape((2, -1))
attributes['position in cell'] = position_in_cell_np
core.build(attributes)
# Act
u01 = backend.Storage.from_ndarray(np.random.random(n_sd))
core.particles.permutation(u01, local=core.croupier == 'local')
_ = core.particles.cell_start
# Assert
assert (np.diff(core.particles['cell id'][core.particles._Particles__idx])
>= 0).all()
def test_final_state(croupier):
# Arrange
n_part = 10000
v_mean = 2e-6
d = 1.2
v_min = 0.01e-6
v_max = 10e-6
n_sd = 64
x = 4
y = 4
attributes = {}
spectrum = Lognormal(n_part, v_mean, d)
attributes['volume'], attributes['n'] = linear(n_sd, spectrum,
(v_min, v_max))
core = DummyCore(backend, n_sd)
core.environment = DummyEnvironment(grid=(x, y))
core.croupier = croupier
attributes['cell id'] = backend.array((n_sd, ), dtype=int)
cell_origin_np = np.concatenate(
[np.random.randint(0, x, n_sd),
np.random.randint(0, y, n_sd)]).reshape((2, -1))
attributes['cell origin'] = backend.from_ndarray(cell_origin_np)
position_in_cell_np = np.concatenate(
[np.random.rand(n_sd), np.random.rand(n_sd)]).reshape((2, -1))
attributes['position in cell'] = backend.from_ndarray(position_in_cell_np)
core.build(attributes)
# Act
u01 = backend.Storage.from_ndarray(np.random.random(n_sd))
core.state.permutation(u01)
_ = core.state.cell_start
# Assert
assert (np.diff(core.state['cell id'][core.state._State__idx]) >= 0).all()
