rm clone of row_vector_cell

Author: curtischong

torch_sim/optimizers.py

@@ -385,7 +385,6 @@ def gd_init(
             cell=state.cell,
             pbc=state.pbc,
             reference_cell=state.cell.clone(),
-            row_vector_cell=state.row_vector_cell.clone(),
             cell_factor=cell_factor,
             hydrostatic_strain=hydrostatic_strain,
             constant_volume=constant_volume,
@@ -937,7 +936,6 @@ def fire_init(
             cell_masses=cell_masses,
             # Optimization attributes
             reference_cell=state.cell.clone(),
-            row_vector_cell=state.row_vector_cell.clone(),
             cell_factor=cell_factor,
             pressure=pressure,
             dt=dt_start,
@@ -1244,7 +1242,6 @@ def fire_init(
             cell_masses=cell_masses,
             # Optimization attributes
             reference_cell=state.cell.clone(),
-            row_vector_cell=state.row_vector_cell.clone(),
             cell_factor=cell_factor,
             pressure=pressure,
             dt=dt_start,

torch_sim/state.py

@@ -498,9 +498,8 @@ class DeformGradMixin:
     """Mixin for states that support deformation gradients."""
 
     reference_cell: torch.Tensor
-    row_vector_cell: torch.Tensor
 
-    _system_attributes: ClassVar[set[str]] = {"reference_cell", "row_vector_cell"}
+    _system_attributes: ClassVar[set[str]] = {"reference_cell"}
 
     @property
     def reference_row_vector_cell(self) -> torch.Tensor: