ksagiyam

Transformed form arguments

11

In this PR we propose a new class, **ufl.Transformed**, and several supporting classes. `Transformed` will let finite element analysis programs such as FEniCS and Firedrake monolithicaly treat, e.g.: - DirichletBC,...

Need rebasing.

introduce MixedMesh class

4

First half of https://github.com/FEniCS/ufl/pull/264 Introduce `MixedMesh` class for multi-mesh problems. Note that `extract_domains()` now uses more robust `sort_domains()` inside, so it might behave slightly differently. Edit 12-09-2024: `MixedMesh` class represents...