Always return nonzero exit code from SETERRQ()

Merge branch 'jacobf/2022-08-29/petscdevicecontext-backend-update' into 'main'

Update PetscDevice and PetscDeviceContext backends

See merge request petsc/petsc!5566

Rework PetscDeviceContext backends and supporting code:
- Add PETSC_DEVICE_HOST
- Add PetscDeviceAllocate()
- Add PetscDeviceMalloc()
- Add PetscDeviceDeallocate()
- Add PetscDeviceFree()
- Add Petsc

Rework PetscDeviceContext backends and supporting code:
- Add PETSC_DEVICE_HOST
- Add PetscDeviceAllocate()
- Add PetscDeviceMalloc()
- Add PetscDeviceDeallocate()
- Add PetscDeviceFree()
- Add PetscDeviceMemcopy()
- Add PetscDeviceArraycopy()

- Split petscdevice.h into petscdevice_cuda.h and petscdevice_hip.h
- Add petscdevice_cupm.h
- Extend cupm::Interface and cupm::BlasInterface classes
- Add more C++ utility wrappers

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Merge branch 'barry/2022-09-01/fix-fp_trap_underflow' into 'main'

Do not trap for floating point underflow

See merge request petsc/petsc!5581

Do not trap for floating point underflow

Add floating point underflow test

cleanup PetscSetFPTrap() code

Commit-type: error-checking, bug-fix, portability-fix
Reported-by: Marsha Berger
/spend 1.5h

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/2022-06-28/add-petsccallmethod' into 'main'

Introduce PetscTryTypeMethod and PetscUseTypeMethod to replace ad hoc use of (*obj->ops->method) in source

See merge request petsc/

Merge branch 'barry/2022-06-28/add-petsccallmethod' into 'main'

Introduce PetscTryTypeMethod and PetscUseTypeMethod to replace ad hoc use of (*obj->ops->method) in source

See merge request petsc/petsc!5376

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Merge branch 'barry/2022-08-13/fix-man-include' into 'main'

Fix up manual pages in include/ including adding tick marks

See merge request petsc/petsc!5528

Fix up manual pages in include/ including adding tick marks

Commit-type: documentation
/spend 4h

Add documentation for PetscUseTypeMethod() and PetscTryTypeMethod()

Commit-type: documentation

Merge branch 'dalcinl/fix-header-warnings' into 'main'

Fix GCC warnings triggered in PETSc header files

See merge request petsc/petsc!5472

Silence GCC -Wshadow from PETSc header files

Silence GCC -Wdeclaration-after-statement from PETSc header files

Merge branch 'barry/2022-06-24/linenumbers-petscstack' into 'main'

Fixes/improvements for PETSc stack handling

See merge request petsc/petsc!5368

I could not manage to get this MR fix back in the same commit as the basic changes to the petscstack
so it has to be in its own commit

Rename PetscStackCallExternalNoErrorCode to PetscStackCallExternalVoid

I tried to rebase this into the commit that introduced PetscStackCallExternalNoErrorCode but that produced a mass
of bad merges

Rename PetscStackCallExternalNoErrorCode to PetscStackCallExternalVoid

I tried to rebase this into the commit that introduced PetscStackCallExternalNoErrorCode but that produced a mass
of bad merges; I am not sure why, so this stands along. Annoying for code review but bisection will work which
is the important thing.

Commit-type: housekeeping
/spend 2m
Reported-by: Stefano Zampini

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Add PETSc CI mode to allow better handling of errors and system dependent output when running in test harness

-petsc_ci - automatically set for all runs in test harness

-petsc_ci_portable_error_out

Add PETSc CI mode to allow better handling of errors and system dependent output when running in test harness

-petsc_ci - automatically set for all runs in test harness

-petsc_ci_portable_error_output - ensures all error messages (when possible are system and compiler information),
should be only used in tests that are explicitly testing the error handling

This allows proper comparisons of runs on different machines and when errors are intentionally triggered to test error handling

Commit-type: error-checking, testing-fix
/spend 5h

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Make a bad default petscstack a hard error, always checked in debug mode, also make more efficient, strcmp() no longer needed

Jacob - you need to check this, I could have messed up some of your more

Make a bad default petscstack a hard error, always checked in debug mode, also make more efficient, strcmp() no longer needed

Jacob - you need to check this, I could have messed up some of your more delicate PetscStack work

Commit-type: error-checking, debugability
/spend 1h

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Cleanup and unify naming of PetscCall routines

Commit-type: housekeeping
/spend 10m

Fix handling of PetscStack for callback functions and external package calls (and update slepc in sync)

Information was often wrong; incorrect filenames and line numbers removed

Also unified naming

Fix handling of PetscStack for callback functions and external package calls (and update slepc in sync)

Information was often wrong; incorrect filenames and line numbers removed

Also unified naming for callback function stack frames

Commit-type: error-checking, debugability
/spend 2h

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Thanks to Jacob, even most line numbers in the stack backtrace will no be correct when signals are caught.

Commit-type: debugability
/spend 15m

Improve manual page for PetscFunctionBeginUser

Commit-type: docs
/spend 5m

Improve and fix manual pages related to PetscStack usage

Commit-type: documentation
/spend 1h

Merge branch 'barry/2022-06-03/add-mpi-kspsolve-nonmpi-program' into 'main'

Add -mpi_linear_solver_server

See merge request petsc/petsc!5318