Add PFLARE as an external package that can be installed by the PETSc configure with --download-pflare.

PFLARE adds new PC types, including GMRES and Neumann polynomials and AIR multigrid methods, wh

Add PFLARE as an external package that can be installed by the PETSc configure with --download-pflare.

PFLARE adds new PC types, including GMRES and Neumann polynomials and AIR multigrid methods, which are designed for solving asymmetric linear systems.

Thanks-to: Matt Knepley
Co-authored-by: Pierre Jolivet, Barry Smith

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Reimplement PetscDemangleSymbol() in C using dynamic loading

Workaround Linux/macOS differences in PetscDemangleSymbol()

Fix bad arguments to PetscCheck() within PetscDemangleSymbol()

Change use of void (*)(void) and void (**)(void) in the PETSc API to PetscVoidFn * and PetscVoidFn ** or PetscErrorCodeFn * or PetscErrorCodeFn **

Remove unnecessary braces around one-liners

git grep -lE "[ ]*(if|for|while) \(.*\) {[^;]*;[^;]*}$" -- '*.c' '*.cxx' '*.cu' '*.h' '*.hpp' '*.cpp' | xargs sed -i '' -E 's#([ ]*)(if|for|while) \((.*)\

Remove unnecessary braces around one-liners

git grep -lE "[ ]*(if|for|while) \(.*\) {[^;]*;[^;]*}$" -- '*.c' '*.cxx' '*.cu' '*.h' '*.hpp' '*.cpp' | xargs sed -i '' -E 's#([ ]*)(if|for|while) \((.*)\) {([^;]*);([^;]*)}$#\1\2 \(\3\)\4;\5#'

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Convert some SETERRQ() to PetscCheck()

One-liners from petsc/petsc!5344 and petsc/petsc!5557

Slightly reworked regular expression

git ls-files -z -- '*.c' '*.cxx' '*.cu' '*.h' '*.hpp' '*.cpp' | while IFS= read -r -d '' file; do
cat

One-liners from petsc/petsc!5344 and petsc/petsc!5557

Slightly reworked regular expression

git ls-files -z -- '*.c' '*.cxx' '*.cu' '*.h' '*.hpp' '*.cpp' | while IFS= read -r -d '' file; do
cat $file | tr '\n' '\r' | sed -E 's/\r([ ]*)(for|if|while|else) ([^\r]*)\{\r[ ]*Petsc([a-zA-Z]*)\(([^\r]*)\);\r[ ]*\}\r/\r\1\2 \3Petsc\4(\5);\r/g' | tr '\r' '\n' > ${file}.joe; mv ${file}.joe ${file}
done

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missing "s" for isascii and issundials

Fortran 90: fully embrace After 34 years!

- deprecate use of 'F90' in Fortran function names
- use Fortran pointers when appropriate
- the new Fortran API is not backward compatible with previous ve

Fortran 90: fully embrace After 34 years!

- deprecate use of 'F90' in Fortran function names
- use Fortran pointers when appropriate
- the new Fortran API is not backward compatible with previous versions!
- also clean up inconsistent PETSc code detected by new Fortran generation tools
- drop use of bfort
- automatically generate all the Fortran PETSc objects, enums etc from the include files
- generate most of the Fortran interface definitions and functions from the source code
- simplify the number and organization of Fortran modules

Co-authored-by: Jose E. Roman <jroman@dsic.upv.es>

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