use regular abs, update numba cache check

Author: philipc2

uxarray/grid/grid.py

@@ -22,7 +22,7 @@
 from uxarray.cross_sections import GridCrossSectionAccessor
 from uxarray.formatting_html import grid_repr
 from uxarray.grid.area import get_all_face_area_from_coords
-from uxarray.grid.bounds import _populate_face_bounds
+from uxarray.grid.bounds import _construct_face_bounds_array, _populate_face_bounds
 from uxarray.grid.connectivity import (
     _populate_edge_face_connectivity,
     _populate_edge_node_connectivity,
@@ -1428,7 +1428,7 @@ def bounds(self):
 
         """
         if "bounds" not in self._ds:
-            if not is_numba_function_cached(_populate_face_bounds):
+            if not is_numba_function_cached(_construct_face_bounds_array):
                 warn(
                     "Necessary functions for computing the bounds of each face are not yet compiled with Numba. "
                     "This initial execution will be significantly longer.",
@@ -1980,8 +1980,6 @@ def normalize_cartesian_coordinates(self):
             self._ds[f"{prefix}_y"] = dy / norm
             self._ds[f"{prefix}_z"] = dz / norm
 
-        self._normalized = True
-
     def to_xarray(self, grid_format: Optional[str] = "ugrid"):
         """Returns an ``xarray.Dataset`` with the variables stored under the
         ``Grid`` encoded in a specific grid format.

uxarray/grid/validation.py

@@ -2,7 +2,6 @@
 
 import numpy as np
 import polars as pl
-import xarray as xr
 
 from uxarray.constants import ERROR_TOLERANCE, INT_DTYPE
 
@@ -117,7 +116,7 @@ def _check_normalization(grid):
         z = grid._ds[f"{name}_z"]
 
         # compute the max deviation from 1.0
-        max_dev = xr.ufuncs.abs(x**2 + y**2 + z**2 - 1.0).max().compute()
+        max_dev = abs((x**2 + y**2 + z**2 - 1.0).max().compute())
 
         if max_dev > ERROR_TOLERANCE:
             grid._normalized = False