MRs 849 and 851 in HyTeG changed the name of the getMaxMagnitude()
method to getMaxdoFMagnitude() in several FEFunction classes. This
commit adapts the OperatorGenerationTest accordingly.

This commit fixes issue #43 by removing three unreachable and/or unneeded
branches that apparently were connected to left-overs from an initial
treatment of manifolds.

P_0 coefficients

See merge request !33

Move frozen velocity form to work with process integrand

See merge request !34

print statement creates CI failure

Rotation matrix wrapper

See merge request !32

Fix return branch without wrapper

Fix Issue 40

Closes #40

See merge request !30

Add scaled k_divdiv form

See merge request !29

Change definition type and casting type of vectorized float_loop_ctr_array to descriptor type.

Change definition type and casting type of vectorized float_loop_ctr_array to descriptor type.

Improve generation time: do not check table entries for constness

See merge request !28

Adding a timer around the C printer call in CppMethod.from_kernel_function.

See merge request !27

Fix k_mass form

See merge request !26

And correct documentation as well

Add advection and SUPG advection forms

See merge request !23

Test for setup installer [skip ci]

Test for installer setup

Fix nonlinear diffusion forms

Closes #39

See merge request !25