Chris Vogl

Support for SUNDIALS v6

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- Added support for SUNDIALS v6, including - creation of a `Sundials` singleton class that contains `SUNContext` object introduced in SUNDIALS v6 - update of all calls to SUNDIALS functions...

Refactored TimeDependentOperator Documentation [operator-doc]

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This PR attempts to address issues identified in #3443 by improving the documentation for the `TimeDependentOperator`, among others that appear to stem from some documentation being written towards a DAE...

Refactored `ARKStepSolver` to use `ExplicitMult` when either `UseMFEMMassLinearSolver` or `UseSundialsMassLinearSolver` are called.

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This PR refactors the SUNDIALS `ARKStepSolver` class to use `TimeDependentOperator::ExplicitMult` vs `TimeDependentOperator::Mult` depending on whether one of `ARKStepSolver::UseMFEMMassLinearSolver` or `ARKStepSolver::UseSundialsMassLinearSolver` have been called. The motivation is that calling `Use*MassLinearSolver` implies...

Implemented absorbing boundary layer and modified acoustics_2d_radial example to add an ABL. Makefile_abl, setrun_abl.py, and setplot_abl.py are provided to make use of the new ABL routines. This PR depends on...

[WIP] Regions in 3D

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Implementation of regions via flag2refine.

Segfault in gauges module when using default-integer-8 flag

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In commit 9754630fdcf1af01d48847834e6fb7039834574c, the gauges module causes a segfault at gauges_module.f90:210 when compiling with -fdefault-integer-8 (which is needed for larger-than-4-byte memory addressing).

3d igetsp.f uses 32-bit integers that overflow with large numbers of grid cells

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The call to _ceiling_ to set _new_size_ in line 74 returns a 32 bit integer. With a large number of grid cells, _new_size_ is assigned a negative value as the...

xlower refers to the position whose x value is less than the cell centers of all ghost cells. I believe a simply change to the calling function spest will fix...

Change socketbuf::open return statement to account for no connections established.

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Addresses #4321 ... credit to @v-dobrev for the quick fix. | PR | Author | Editor | Reviewers | Assignment | Approval | Merge| | --- | --- | ---...

Changes to `socketbuf` result in `SocketStream` objects returning true even if not connected (e.g., to GLVis)

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I believe changes introduced between v4.6 and v4.7 are causing the bug where a `SocketStream` object will cast to `true` even if not connected. This bug can be reproduced in...