Poisson_100 and poisson_110 with Poisson Boundary Condition Tests#266

Merged

kaanolgu merged 34 commits intomainfrom

ko/poisson-100-11x

Feb 20, 2026

Commits on Feb 18, 2026

Added 1D support of cos2pix example

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added poisson_100 case

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Fix: 100 case is using transpose to reuse postprocess of 010 case

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fix: refactored the cos2pix example

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fix: ci/cd build error fix and removed geo%BC by using periodic_x

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new: added the cos3pix test too

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add: 110 case initial setup

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fix: cos2pix prints correct analytical solution for 110 case

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fix: cos2pix test case tests for poisson results and div(grad()) results with l2 norm

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add: cos(2pix)cos(2piy)cos(2piz)

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fix: fft_forward_cuda for 000 case

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fix:110 case spectral removed post process fwd/bwd x

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fix: added VERBOSE option to hide prints

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added: input_000 and input_110

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add: OpenMP missing functionalities error messages

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fix: fprettify applied for styling

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fix: remove unused variable in cos2pix

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fix:fprettify broken cuda calls

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fix: fprettify ignore cuda chevrons

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new: moving from case to test

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fix: comments for cuda poisson

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fix:remove unused enforce_periodicity_xy, undo_periodicity_xy functions and related datatype

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Rename test_poisson.f90 to test_poisson_bc.f90

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Update CMakeLists.txt to rename test_poisson to test_poisson_bc

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fix: add missing x_sp_st offset to ix calculation in spectral processing

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fix: multiple rank is not available for 110 case

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fix: remove debug printouts

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fix: reuse fft_forward/backward_cuda for 010 and 110 cases

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add cufft to forward and backward fft
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ensure that plan3d_fw and plan3d_bw and runtime branching are always aligned
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Commits on Feb 19, 2026

Commits on Feb 20, 2026

fix: changes to cufft path to ensure boundary conditions are corrrect.
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