Integration with Fuse

.github/workflows/build.yml

@@ -84,6 +84,8 @@ jobs:
             --install defcon \
             --install gadopt \
             --install asQ \
+            --package-branch fiat indiamai/integrate_fuse \
+            --package-branch fuse main \
             || (cat firedrake-install.log && /bin/false)
       - name: Install test dependencies
         run: |

firedrake/mesh.py

@@ -37,6 +37,7 @@
 from firedrake.adjoint_utils import MeshGeometryMixin
 from pyadjoint import stop_annotating
 import gem
+from fuse import constructCellComplex
 
 try:
     import netgen
@@ -1216,15 +1217,14 @@ def _ufl_cell(self):
 
         # TODO: this needs to be updated for mixed-cell meshes.
         nfacets = self._comm.allreduce(nfacets, op=MPI.MAX)
-
         # Note that the geometric dimension of the cell is not set here
         # despite it being a property of a UFL cell. It will default to
         # equal the topological dimension.
         # Firedrake mesh topologies, by convention, which specifically
         # represent a mesh topology (as here) have geometric dimension
         # equal their topological dimension. This is reflected in the
         # corresponding UFL mesh.
-        return ufl.Cell(_cells[tdim][nfacets])
+        return constructCellComplex(_cells[tdim][nfacets])
 
     @utils.cached_property
     def _ufl_mesh(self):
@@ -1955,7 +1955,7 @@ def _mark_entity_classes(self):
 
     @utils.cached_property
     def _ufl_cell(self):
-        return ufl.Cell(_cells[0][0])
+        return constructCellComplex(_cells[0][0])
 
     @utils.cached_property
     def _ufl_mesh(self):

pyproject.toml

@@ -39,6 +39,7 @@ dependencies = [
   "pyadjoint-ad @ git+https://github.com/dolfin-adjoint/pyadjoint.git",
   "loopy @ git+https://github.com/firedrakeproject/loopy.git@main",
   "libsupermesh @ git+https://github.com/firedrakeproject/libsupermesh.git",
+  "fuse-element @ git+https://github.com/indiamai/fuse.git",
 ]
 classifiers = [
   "Development Status :: 5 - Production/Stable",

requirements-git.txt

@@ -5,3 +5,4 @@ git+https://github.com/firedrakeproject/loopy.git@main#egg=loopy
 git+https://github.com/firedrakeproject/pytest-mpi.git@main#egg=pytest-mpi
 git+https://github.com/firedrakeproject/petsc.git@firedrake#egg=petsc
 git+https://github.com/firedrakeproject/libsupermesh.git#egg=libsupermesh
+git+https://github.com/indiamai/fuse.git#egg=fuse