Allow -pc_fieldsplit_%d_fields i,j to work intuitively as it works for matrices with a block size

Typos

MATNEST: support all NULL blocks

This is useful for doing something like

MatCreateNest(...,nr, isr, nc, isc, NULL, &N);
...
MatNestSetSubMat(N,0,0,...)

Add missing interface checks and tests

Remove multiple parentheses and extra semicolon

git grep -l -E "\(\([a-zA-Z0-9_]+\)\(\*[a-zA-Z0-9_]+\)[, )]" | xargs sed -r -i'' 's#\(\(([a-zA-Z0-9_]+)\)\(\*([a-zA-Z0-9_]+)\)([, )])#\(\(\1\)\*\2\3#g

Remove multiple parentheses and extra semicolon

git grep -l -E "\(\([a-zA-Z0-9_]+\)\(\*[a-zA-Z0-9_]+\)[, )]" | xargs sed -r -i'' 's#\(\(([a-zA-Z0-9_]+)\)\(\*([a-zA-Z0-9_]+)\)([, )])#\(\(\1\)\*\2\3#g'
git grep -l -E "Petsc(.)*\(\(\*[a-zA-Z0-9_]*\)," | xargs sed -r -i'' 's#Petsc([a-zA-Z0-9_]*)\(\(\*([a-zA-Z0-9_]*)\), #Petsc\1(*\2, #g'
git grep -l -E "([\!\&\~\*\(]|\)\)|\([^,\*\(]+\**\))\(([a-zA-Z0-9_]+((\.|->)[a-zA-Z0-9_]+|\[[a-zA-Z0-9_ \%\+\*\-]+\])+)\)" | xargs sed -r -i'' 's#([\!\&\~\*\(]|\)\)|\([^,\*\(]+\**\))\(([a-zA-Z0-9_]+((\.|->)[a-zA-Z0-9_]+|\[[a-zA-Z0-9_ \%\+\*\-]+\])+)\)#\1\2#g'

show more ...

checkbadSource: rules for PetscFunctionBegin and derivatives

Merge remote-tracking branch 'origin/release'

MatNest: remove useless functions

MatNest: contiguous array of Mat

Merge remote-tracking branch 'origin/release'

Doc: clarify Fortran ordering of matrices in MatCreateNest()