Correct FMG routine to start prolongation at the proper level (#124)

Change position for anisotropic refinement with ZoniShifted (#87)

Join all tests into one executable, reintroduce coverage basics and r…

…ework cmake (#73)

- CMake structure reworked
- Unit test joint in one executable
- Code coverage basics reintroduced

Co-authored-by: Martin J. Kühn <[email protected]>
Co-authored-by: julianlitz <[email protected]>

Correct alpha_coeff value in Poisson test to 1.0 (#64)

Co-authored-by: Litz <[email protected]>

49 Fixed small error where iterator could go out of bounds and improv…

…e loop structure. (#50)

List of coarser nodes in r and theta direction now have correct size and entries.

51 small adaptations of run script output and plot for scaling experi…

…ment (#53)

Co-authored-by: Philou31 <[email protected]>

7 - added infos about parameters in constants.h (#28)

* added infos about parameters

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Co-authored-by: Christina Schwarz <[email protected]>
Co-authored-by: Martin J. Kühn <[email protected]>