Unit testing for the Poisson solver

xcompact3d / x3d2

https://xcompact3d.github.io/x3d2

BSD 3-Clause "New" or "Revised" License

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Unit testing for the Poisson solver #74

Open semi-h opened 6 months ago

semi-h commented 6 months ago

We plan to provide two different Poisson solvers, iterative and FFT based direct. We need a high level unit test for the poisson solver so that both methods can be tested in a single program.