Merge branch 'jose/deprecate-petsc-default' into 'main'

Fix usage of deprecated PETSC_DEFAULT

See merge request petsc/petsc!7707

Fix usage of deprecated PETSC_DEFAULT

Merge branch 'barry/2024-07-01/fix-petscoptionsgetviewer' into 'main'

The use case of PetscOptionsGetViewer() has evolved to no longer be the get/restore model

See merge request petsc/petsc!7667

The use case of PetscOptionsGetViewer() has evolved to no longer be the get/restore model

Hence the code needs to be refactored

Introduce PetscCallNull() and PetscCallMPINull() to simplify PETSC_VI

The use case of PetscOptionsGetViewer() has evolved to no longer be the get/restore model

Hence the code needs to be refactored

Introduce PetscCallNull() and PetscCallMPINull() to simplify PETSC_VIEWER_XXXX_() routines

Reported-by: James Wright
Thanks-to: Jeremy L Thompson

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Merge branch 'jolivet/fix-checkbadSource' into 'main'

Improve checkbadSource

See merge request petsc/petsc!7168

Fix "Extra spaces in test harness rules" in checkbadSource

Merge branch 'barry/2023-11-21/fix-thread-safety-petscoptionsgetviewer' into 'main'

Fix PetscOptionsGetViewer() so it works in a thread-safe way

See merge request petsc/petsc!7047

Fix PetscOptionsGetViewer() so it works in a thread-safe way

When PetscOptionsGetViewer() returns, for example, PETSC_VIEWER_STDOUT_SELF the same object is shared
by all threads that call PetscOptio

Fix PetscOptionsGetViewer() so it works in a thread-safe way

When PetscOptionsGetViewer() returns, for example, PETSC_VIEWER_STDOUT_SELF the same object is shared
by all threads that call PetscOptionsGetViewer(). In the previous code PetscObjectReference() and
dereference (via PetscViewerDestroy() where called on the viewer by multiple threads after the viewer
was accessed thus corrupting the object.

This branch introduces a PetscOptionsRestoreViewer() that allows not doing the referencing and dereferencing
on persistant viewers, thus removing the specific race condition above.

Other possible solutions include

Use a lock on each PetscObjectReference/Dereference() just in case they are shared. Could be time consuming so one
could mark each object as either threadshared or independent and only do the locks on threadshared objects. This lowers
the cost but would require more extensive changes to PETSc infrastructure. And I do not know if this shared/not shared model
is what we need in the long run, though it might be.

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Merge branch 'jacobf/2022-12-10/petscerrorcode-nodiscard' into 'main'

Feature: Non-discardable PetscErrorCode

See merge request petsc/petsc!5923

Make PetscErrorCode a non-discardable enum

Merge branch 'jacobf/2022-09-21/2-bike-2-shed' into 'main'

Feature: Bicycle Storage Facility 2

See merge request petsc/petsc!5661

source code format changes due to .clang-format changes

Merge branch 'jolivet/fix-style-one-liners' into 'main'

Remove braces from one-liners w/o PetscCall()

See merge request petsc/petsc!5561

Remove braces from one-liners w/o PetscCall()

Merge branch 'barry/2022-08-21/clang-format-source' into 'main'

format repository with clang-format

See merge request petsc/petsc!5541

clang-format: convert PETSc sources to comply with clang-format

Merge branch 'barry/2022-07-23/add-petscbeginuser' into 'main'

Add PetscFunctionBeginUser to all PETSc C/C++ examples

See merge request petsc/petsc!5470

Add PetscFunctionBeginUser to all PETSc C/C++ examples

Now the stack frames will contain the main program and the correct line numbers in them

git ls-files | egrep "(tutorials|tests)" | xargs sed -

Add PetscFunctionBeginUser to all PETSc C/C++ examples

Now the stack frames will contain the main program and the correct line numbers in them

git ls-files | egrep "(tutorials|tests)" | xargs sed -i "s?\(PetscCall(PetscInitialize(&argc\)?PetscFunctionBeginUser;\n \1?g"

Commit-type: error-checking, testing-fix
/spend 15m

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Merge branch 'jolivet/feature-less-checkfalse' into 'main'

Dividing by four the number of PetscCheckFalse()

See merge request petsc/petsc!5072

Remove some PetscCheckFalse()

Merge branch 'jacobf/2022-02-23/variadic-chkerr' into 'main'

Variadic CHKERRQ()

See merge request petsc/petsc!4889

The great renaming:

- CHKERRQ() -> PetscCall()
- CHKERRV() -> PetscCallVoid()
- CHKERRMPI() -> PetscCallMPI()
- CHKERRABORT() -> PetscCallAbort()
- CHKERRCONTINUE() -> PetscCallContinue()
- CHKERRXX

The great renaming:

- CHKERRQ() -> PetscCall()
- CHKERRV() -> PetscCallVoid()
- CHKERRMPI() -> PetscCallMPI()
- CHKERRABORT() -> PetscCallAbort()
- CHKERRCONTINUE() -> PetscCallContinue()
- CHKERRXX() -> PetscCallThrow()
- CHKERRCXX() -> PetscCallCXX()
- CHKERRCUDA() -> PetscCallCUDA()
- CHKERRCUBLAS() -> PetscCallCUBLAS()
- CHKERRCUSPARSE() -> PetscCallCUSPARSE()
- CHKERRCUSOLVER() -> PetscCallCUSOLVER()
- CHKERRCUFFT() -> PetscCallCUFFT()
- CHKERRCURAND() -> PetscCallCURAND()
- CHKERRHIP() -> PetscCallHIP()
- CHKERRHIPBLAS() -> PetscCallHIPBLAS()
- CHKERRHIPSOLVER() -> PetscCallHIPSOLVER()
- CHKERRQ_CEED() -> PetscCallCEED()
- CHKERR_FORTRAN_VOID_FUNCTION() -> PetscCallFortranVoidFunction()
- CHKERRMKL() -> PetscCallMKL()
- CHKERRMMG() -> PetscCallMMG()
- CHKERRMMG_NONSTANDARD() -> PetscCallMMG_NONSTANDARD()
- CHKERRCGNS() -> PetscCallCGNS()
- CHKERRPTSCOTCH() -> PetscCallPTSCOTCH()
- CHKERRSTR() -> PetscCallSTR()
- CHKERRTC() -> PetscCallTC()

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PetscInitialize() and PetscFinalize() wrapped:

- ierr = PetscInitialize();if (ierr) return ierr;
+ CHKERRQ(PetscInitialize());

- ierr = PetscFinalize();
- return ierr;
+ CHKERRQ(PetscFinalize());
+

PetscInitialize() and PetscFinalize() wrapped:

- ierr = PetscInitialize();if (ierr) return ierr;
+ CHKERRQ(PetscInitialize());

- ierr = PetscFinalize();
- return ierr;
+ CHKERRQ(PetscFinalize());
+ return 0;

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pluck ~1000 low hanging PetscCheckFalse() -> PetscCheck() fruit

chkerr and friends wrapped