Merge branch 'interp_dual' into external-operator_dualspace

.github/workflows/fenicsx-tests.yml

@@ -41,7 +41,7 @@ jobs:
         with:
           path: ./ffcx
           repository: FEniCS/ffcx
-          ref: dokken/group_integrals_v2
+          ref: main
 
       - name: Install FFCx
         run: |

ufl/argument.py

@@ -11,8 +11,11 @@
 # Modified by Anders Logg, 2008-2009.
 # Modified by Massimiliano Leoni, 2016.
 # Modified by Cecile Daversin-Catty, 2018.
+# Modified by Ignacia Fierro-Piccardo 2023.
 
+import warnings
 import numbers
+
 from ufl.core.ufl_type import ufl_type
 from ufl.core.terminal import FormArgument
 from ufl.split_functions import split
@@ -44,6 +47,8 @@ def __init__(self, function_space, number, part=None):
             element = function_space
             domain = default_domain(element.cell())
             function_space = FunctionSpace(domain, element)
+            warnings.warn("The use of FiniteElement as an input to Argument will be deprecated by December 2023. "
+                          "Please, use FunctionSpace instead", FutureWarning)
         elif not isinstance(function_space, AbstractFunctionSpace):
             raise ValueError("Expecting a FunctionSpace or FiniteElement.")
 

ufl/coefficient.py

@@ -11,6 +11,8 @@
 # Modified by Anders Logg, 2008-2009.
 # Modified by Massimiliano Leoni, 2016.
 # Modified by Cecile Daversin-Catty, 2018.
+# Modified by Ignacia Fierro-Piccardo 2023.
+import warnings
 
 from ufl.core.ufl_type import ufl_type
 from ufl.core.terminal import FormArgument
@@ -23,6 +25,7 @@
 from ufl.utils.counted import Counted
 from ufl.duals import is_primal, is_dual
 
+
 # --- The Coefficient class represents a coefficient in a form ---
 
 
@@ -48,6 +51,8 @@ def __init__(self, function_space, count=None):
             element = function_space
             domain = default_domain(element.cell())
             function_space = FunctionSpace(domain, element)
+            warnings.warn("The use of FiniteElement as an input to Coefficient will be deprecated by December 2023. "
+                          "Please, use FunctionSpace instead", FutureWarning)
         elif not isinstance(function_space, AbstractFunctionSpace):
             raise ValueError("Expecting a FunctionSpace or FiniteElement.")
 

ufl/domain.py

@@ -7,6 +7,7 @@
 # SPDX-License-Identifier:    LGPL-3.0-or-later
 
 import numbers
+import warnings
 
 from ufl.cell import AbstractCell, TensorProductCell, as_cell
 from ufl.core.ufl_id import attach_ufl_id
@@ -318,6 +319,8 @@ def join_domains(domains):
 
     # Handle legacy domains checking
     if legacy_domains:
+        warnings.warn("The use of Legacy domains will be deprecated by December 2023. "
+                      "Please, use FunctionSpace instead", DeprecationWarning)
         if modern_domains:
             raise ValueError(
                 "Found both a new-style domain and a legacy default domain. "