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Fix bug in MatrixFree setup for FE_Nothing #15430

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merged 1 commit into from Jun 22, 2023

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kronbichler
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@kronbichler kronbichler commented Jun 22, 2023

It turns out that we did not carefully check whether ndofs > 0 in the relevant code. I checked element_birth_and_death_01 with valgrind and they now run without errors.

@tamiko: Could you please run all matrix_free tests with your libstdc++ and assertions enabled to see if these are all bugs?

Fixes #15426.

FYI @peterrum @sebproell

In reference to #15383

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Thanks!

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tamiko commented Jun 22, 2023

@kronbichler I am restarting the testsuite 😄

@tamiko tamiko merged commit f628ee0 into dealii:master Jun 22, 2023
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@kronbichler kronbichler deleted the fix_mf_bug branch August 10, 2023 16:38
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Matrix-free: out of bounds vector access
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