Merge pull request #701 from slayoo/dev

bump Thrust dependency; fix empty_particles to avoid creating zero-size vectors on GPU; correct GPU skip condition in test_permutation_global_repeatable

PySDM/impl/particle_attributes_factory.py

@@ -93,5 +93,5 @@ def empty_particles(particles, n_sd) -> ParticleAttributes:
         return ParticleAttributes(
             particulator=particles, idx=idx,
             extensive_attribute_storage=None, extensive_keys={},
-            cell_start=np.zeros(0, dtype=np.int64), attributes={}
+            cell_start=np.zeros(2, dtype=np.int64), attributes={}
         )

setup.py

@@ -16,7 +16,7 @@ def get_long_description():
     use_scm_version=True,
     setup_requires=['setuptools_scm'],
     install_requires=[
-        'ThrustRTC==0.3.16',
+        'ThrustRTC==0.3.17',
         'CURandRTC' + ('==0.1.6' if 'CI' in os.environ else '>=0.1.2'),
         'numba' + ('==0.54.0' if 'CI' in os.environ else '>=0.51.2'),
         'numpy' + ('==1.20.2' if 'CI' in os.environ else ''),

tests/unit_tests/impl/test_particle_attributes.py

@@ -203,7 +203,7 @@ def test_permutation_local(backend_class):
     @staticmethod
     # pylint: disable=redefined-outer-name
     def test_permutation_global_repeatable(backend_class):
-        if isinstance(backend_class, ThrustRTC):
+        if backend_class is ThrustRTC:
             return  # TODO #328
 
         n_sd = 800