[PWGLF] added option to equalise width of Q distributions vs centrality and a possible downscaling

[prottayCMT]

No description provided.

[github-actions]

O2 linter results: ❌ 55 errors, ⚠️ 73 warnings, 🔕 0 disabled

[alibuild]

Error while checking build/O2Physics/code-check for cc46159 at 2026-08-18 15:46:

## sw/BUILD/O2Physics-code-check-latest/log
--
========== List of issues found ==========
++ echo 'Found 20 errors and 4 warnings.'
Found 20 errors and 4 warnings.
++ [[ 20 -gt 0 ]]
++ cat /sw/BUILD/0c582aac191cb711ecf2125e6184f7f655fbf033/O2Physics-code-check/errors.txt
PWGLF/TableProducer/Common/spvector.cxx:63:8: error: constructor does not initialize these fields: ccdb, hrecentereSpA, hrecenterecentSpA, hrecenterevxSpA, hrecenterevySpA, hrecenterevzSpA [cppcoreguidelines-pro-type-member-init,-warnings-as-errors]
PWGLF/TableProducer/Common/spvector.cxx:694:5: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
PWGLF/TableProducer/Common/spvector.cxx:711:48: error: do not implicitly decay an array into a pointer; consider using gsl::array_view or an explicit cast instead [cppcoreguidelines-pro-bounds-array-to-pointer-decay,-warnings-as-errors]
PWGLF/TableProducer/Common/spvector.cxx:716:48: error: do not implicitly decay an array into a pointer; consider using gsl::array_view or an explicit cast instead [cppcoreguidelines-pro-bounds-array-to-pointer-decay,-warnings-as-errors]
PWGLF/TableProducer/Common/spvector.cxx:720:48: error: do not implicitly decay an array into a pointer; consider using gsl::array_view or an explicit cast instead [cppcoreguidelines-pro-bounds-array-to-pointer-decay,-warnings-as-errors]
PWGLF/TableProducer/Common/spvector.cxx:724:48: error: do not implicitly decay an array into a pointer; consider using gsl::array_view or an explicit cast instead [cppcoreguidelines-pro-bounds-array-to-pointer-decay,-warnings-as-errors]
PWGLF/TableProducer/Common/spvector.cxx:876:22: error: use 'contains' to check for membership [readability-container-contains,-warnings-as-errors]
PWGLF/TableProducer/Common/spvector.cxx:939:17: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
PWGLF/TableProducer/Common/spvector.cxx:940:17: error: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays,-warnings-as-errors]
PWGLF/TableProducer/Common/spvector.cxx:959:13: error: do not use 'else' after 'return' [readability-else-after-return,-warnings-as-errors]
PWGLF/TableProducer/Common/spvector.cxx:975:13: error: do not use 'else' after 'return' [readability-else-after-return,-warnings-as-errors]
PWGLF/TableProducer/Common/spvector.cxx:1167:13: error: implicit conversion 'bool' -> 'int' [readability-implicit-bool-conversion,-warnings-as-errors]
PWGLF/TableProducer/Common/spvector.cxx:1167:25: error: implicit conversion 'bool' -> 'int' [readability-implicit-bool-conversion,-warnings-as-errors]
PWGLF/TableProducer/Common/spvector.cxx:1171:35: error: implicit conversion 'bool' -> 'int' [readability-implicit-bool-conversion,-warnings-as-errors]
PWGLF/TableProducer/Resonances/cksspinalignment.cxx:472:26: error: redundant explicit casting to the same type 'int64_t' (aka 'long') as the sub-expression, remove this casting [readability-redundant-casting,-warnings-as-errors]
PWGLF/TableProducer/Resonances/cksspinalignment.cxx:473:26: error: redundant explicit casting to the same type 'int64_t' (aka 'long') as the sub-expression, remove this casting [readability-redundant-casting,-warnings-as-errors]
PWGLF/TableProducer/Resonances/cksspinalignment.cxx:489:30: error: redundant explicit casting to the same type 'float' as the sub-expression, remove this casting [readability-redundant-casting,-warnings-as-errors]
PWGLF/TableProducer/Resonances/cksspinalignment.cxx:490:30: error: redundant explicit casting to the same type 'float' as the sub-expression, remove this casting [readability-redundant-casting,-warnings-as-errors]
PWGLF/Tasks/Resonances/cksspinalignder.cxx:230:7: error: switch has 3 consecutive identical branches [bugprone-branch-clone,-warnings-as-errors]
PWGLF/Tasks/Resonances/cksspinalignder.cxx:313:11: error: use auto when initializing with a cast to avoid duplicating the type name [modernize-use-auto,-warnings-as-errors]
++ [[ 4 -gt 0 ]]
++ cat /sw/BUILD/0c582aac191cb711ecf2125e6184f7f655fbf033/O2Physics-code-check/warnings.txt
PWGLF/TableProducer/Common/spvector.cxx:994:24: warning: statement should be inside braces [readability-braces-around-statements]
PWGLF/TableProducer/Common/spvector.cxx:996:13: warning: statement should be inside braces [readability-braces-around-statements]
PWGLF/TableProducer/Common/spvector.cxx:1003:24: warning: statement should be inside braces [readability-braces-around-statements]
PWGLF/TableProducer/Common/spvector.cxx:1005:13: warning: statement should be inside braces [readability-braces-around-statements]
++ [[ 20 -gt 0 ]]
++ exit 1
--

Full log here.