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Nonlinear solver generalizations - #4537

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lindsayad wants to merge 7 commits into
libMesh:develfrom
lindsayad:more-shell-matrix-support
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Nonlinear solver generalizations#4537
lindsayad wants to merge 7 commits into
libMesh:develfrom
lindsayad:more-shell-matrix-support

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@lindsayad

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I want to use MATSHELL for the Jacobian and possibly MATAIJ for the preconditioning matrix so need to develop some additional support for that use case

lindsayad and others added 3 commits September 1, 2026 14:54
Importantly this both sets the wrapper as initialized
and instructs the wrapper not to destroy the PETSc
matrix on exit

Co-Authored-By: Claude <noreply@anthropic.com>
Co-Authored-By: Claude <noreply@anthropic.com>
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Job Coverage, step Generate coverage on bb24853 wanted to post the following:

Coverage

8fa69b #4537 bb2485
Total Total +/- New
Rate 65.94% 65.92% -0.02% 100.00%
Hits 79391 79399 +8 54
Misses 41015 41050 +35 0

Diff coverage report

Full coverage report

This comment will be updated on new commits.

lindsayad and others added 3 commits September 2, 2026 09:20
Co-Authored-By: Claude <noreply@anthropic.com>
Co-Authored-By: Claude <noreply@anthropic.com>
…package

Co-Authored-By: Claude <noreply@anthropic.com>
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2 participants