Get EM back 🚧 #888

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Antoinehoff wants to merge 111 commits intomainfrom

Commits on Oct 11, 2025

Commits on Oct 17, 2025

Add 1x solvers for EM, refactor a few arrays, remove unused ones, add em computation in comp time, note a "TODO" for the next step, lso removed an unused variable in fem_poisson_perp
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Unstable: Merge remote-tracking branch 'origin/main' into get_em_back
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still unstable version but compiles.
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remove em from species and put it in the collisionless structure. Note:
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Separation of the "NO_BY" and ES/EM options. collisionless_id sets now if we are evolving ES, EM_BPAR, EM_BPERP, or EM without mentioning NO_BY anymore. Instead a new boolean `no_by` is introduced …
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adapt the regression tests that were using GKYL_GK_COLLISIONLESS_ES_NO_BY
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reduction of t_end of this rt to make it much faster to run (4sec against 40sec).
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Commits on Oct 21, 2025

dummy commit to connect with DR #867
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Commits on Oct 23, 2025

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Commits on Nov 8, 2025

fix the output of Apar and Apardot, we still have to figure how to handle optimally the flag system and the interaction between the gk_collisionless_id and the gk_field_id...
Antoinehoff
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Commits on Nov 10, 2025

Commits on Nov 11, 2025

add a new regression test for alfven wave that tries to imitate the g2 lua test 1x1v. It is however 1x2v and nonlinear so we have to figure out still if the results are consistent.
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Commits on Nov 12, 2025

this commit is shady but it has ideas on how to step Apar correctly
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Commits on Nov 14, 2025

Commits on Dec 1, 2025

The weak division memory was not released properly for Ohm's law in 1x
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Commits on Dec 2, 2025

Commits on Dec 8, 2025

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Commits on Dec 19, 2025

This version does not work -- Merge remote-tracking branch 'origin/main' into get_em_back
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Commits on Dec 22, 2025

Commits on Dec 23, 2025

remove unused global current density array release in gk_field_fem_release_2x3x
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Commits on Dec 24, 2025

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Commits on Feb 9, 2026

Add the 3x2v alfven regression test
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Commits on Feb 10, 2026

Commits on Feb 11, 2026

Commits on Feb 12, 2026

Commits on Feb 17, 2026

small bug fix of the collisionless type
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