MatMult-ColumnRanges support added

Docs: fix missing or extra dash in right-hand side

MATDENSE: support NULL in MatSetValues

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'

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checkbadSource: rules for PetscFunctionBegin and derivatives

Trivial fix to MatSetValuesBlocked() manual page, spelling and spacing

Mat: GetAbsSum (l1) row norms; PCJacobi: add scaled L1 diagonal approximation

Merge branch 'jolivet/enable-ubsan' into 'main'

Proper UBSan suppression file and last fixes

See merge request petsc/petsc!7166

Added MatMultHermitianTranspose and MatMultHermitianTransposeAdd for MATDENSECUPM

Added MatMultHermitianTranspose and MatMultHermitianTransposeAdd for MATSEQDENSE and MATMPIDENSE

Missing calls to PetscSafePointerPlusOffset()

Important fixes

Sys: add PetscSafePointerPlusOffset() to pacify UBSan