Add HOOMD Supports

environment-dev.yml

@@ -24,3 +24,6 @@ dependencies:
   - ipywidgets
   - ele>=0.2.0
   - pre-commit
+  - symengine
+  - python-symengine
+  - hoomd>=3

environment.yml

@@ -13,3 +13,5 @@ dependencies:
   - ele>=0.2.0
   - foyer>=0.11.3
   - forcefield-utilities>=0.2.1
+  - symengine
+  - python-symengine

gmso/external/__init__.py

@@ -1,5 +1,10 @@
 """Support for various in-memory representations of chemical systems."""
 from .convert_foyer_xml import from_foyer_xml
+from .convert_hoomd import (
+    to_gsd_snapshot,
+    to_hoomd_forcefield,
+    to_hoomd_snapshot,
+)
 from .convert_mbuild import from_mbuild, from_mbuild_box, to_mbuild
 from .convert_networkx import from_networkx, to_networkx
 from .convert_openmm import to_openmm