[eishahranipinstech-spec]

The FT0 module-based truth flattenicity compared with the reco flattenicity
The pT-vs-flattenicity histograms at gen and reco level, which are used to make the 0–1% class spectra and ratio plots
The Pearson correlation shown in the truth-vs-reco histogram titles
That it replaces the earlier version of flattenicityTask.cxx

[github-actions]

O2 linter results: ❌ 0 errors, ⚠️ 10 warnings, 🔕 0 disabled

[vkucera]

@eishahranipinstech-spec Who are you?

[eishahranipinstech-spec]

@eishahranipinstech-spec Who are you?

I am a Student, pursuing Masters in Physics , currently in my research phase.
Thanks

[vkucera]

@eishahranipinstech-spec Who are you?

I am a Student, pursuing Masters in Physics , currently in my research phase. Thanks

Can you please add your full name on your GitHub profile? It is not easy to decipher it from your username.

[eishahranipinstech-spec]

@eishahranipinstech-spec Who are you?

I am a Student, pursuing Masters in Physics , currently in my research phase. Thanks

Can you please add your full name on your GitHub profile? It is not easy to decipher it from your username.

Done.

[vkucera]

@eishahranipinstech-spec Who are you?

I am a Student, pursuing Masters in Physics , currently in my research phase. Thanks

Can you please add your full name on your GitHub profile? It is not easy to decipher it from your username.

Done.

Thanks!

[eishahranipinstech-spec]

@aortizve Hi, here is the code for your review of this PR. Thanks

[alibuild]

Error while checking build/O2Physics/code-check for 542e42b at 2026-11-13 15:50:

## sw/BUILD/O2Physics-code-check-latest/log
--
========== List of issues found ==========
++ echo 'To reproduce the results below locally, run: '\''aliBuild build O2Physics-code-check -e ALIBUILD_BASE_HASH=upstream/master'\''.'
To reproduce the results below locally, run: 'aliBuild build O2Physics-code-check -e ALIBUILD_BASE_HASH=upstream/master'.
++ echo 'To apply all automatic fixes, add the '\''-e O2PHYSICS_CHECKER_FIX=1'\'' option.'
To apply all automatic fixes, add the '-e O2PHYSICS_CHECKER_FIX=1' option.
++ echo 'See the documentation for more details at: <https://aliceo2group.github.io/analysis-framework/docs/tools/#running-with-o2physics-code-check>.'
See the documentation for more details at: <https://aliceo2group.github.io/analysis-framework/docs/tools/#running-with-o2physics-code-check>.
++ echo 'Found 8 errors and 77 warnings.'
Found 8 errors and 77 warnings.
++ [[ 8 -gt 0 ]]
++ cat /sw/BUILD/e69ea160b4ac4871dc54a39c17b56e7b038cf42d/O2Physics-code-check/errors.txt
PWGMM/UE/Tasks/flattenicityTask.cxx:17:1: error: included header inelGt.h is not used directly [misc-include-cleaner,-warnings-as-errors]
PWGMM/UE/Tasks/flattenicityTask.cxx:20:1: error: included header RecoDecay.h is not used directly [misc-include-cleaner,-warnings-as-errors]
PWGMM/UE/Tasks/flattenicityTask.cxx:27:1: error: included header MathConstants.h is not used directly [misc-include-cleaner,-warnings-as-errors]
PWGMM/UE/Tasks/flattenicityTask.cxx:38:1: error: included header TH1.h is not used directly [misc-include-cleaner,-warnings-as-errors]
PWGMM/UE/Tasks/flattenicityTask.cxx:43:1: error: included header algorithm is not used directly [misc-include-cleaner,-warnings-as-errors]
PWGMM/UE/Tasks/flattenicityTask.cxx:65:3: error: no header providing "o2::framework::Service" is directly included [misc-include-cleaner,-warnings-as-errors]
PWGMM/UE/Tasks/flattenicityTask.cxx:410:39: error: no header providing "uint8_t" is directly included [misc-include-cleaner,-warnings-as-errors]
PWGMM/UE/Tasks/flattenicityTask.cxx:472:49: error: no header providing "int64_t" is directly included [misc-include-cleaner,-warnings-as-errors]
++ [[ 77 -gt 0 ]]
++ cat /sw/BUILD/e69ea160b4ac4871dc54a39c17b56e7b038cf42d/O2Physics-code-check/warnings.txt
PWGMM/UE/Tasks/flattenicityTask.cxx:117:20: warning: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays]
PWGMM/UE/Tasks/flattenicityTask.cxx:118:20: warning: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays]
PWGMM/UE/Tasks/flattenicityTask.cxx:119:20: warning: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays]
PWGMM/UE/Tasks/flattenicityTask.cxx:120:20: warning: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays]
PWGMM/UE/Tasks/flattenicityTask.cxx:129:20: warning: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays]
PWGMM/UE/Tasks/flattenicityTask.cxx:130:20: warning: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays]
PWGMM/UE/Tasks/flattenicityTask.cxx:185:20: warning: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays]
PWGMM/UE/Tasks/flattenicityTask.cxx:185:46: warning: use designated initializer list to initialize 'PtSegment' [modernize-use-designated-initializers]
PWGMM/UE/Tasks/flattenicityTask.cxx:185:63: warning: use designated initializer list to initialize 'PtSegment' [modernize-use-designated-initializers]
PWGMM/UE/Tasks/flattenicityTask.cxx:185:79: warning: use designated initializer list to initialize 'PtSegment' [modernize-use-designated-initializers]
PWGMM/UE/Tasks/flattenicityTask.cxx:185:95: warning: use designated initializer list to initialize 'PtSegment' [modernize-use-designated-initializers]
PWGMM/UE/Tasks/flattenicityTask.cxx:287:22: warning: statement should be inside braces [readability-braces-around-statements]
PWGMM/UE/Tasks/flattenicityTask.cxx:289:57: warning: statement should be inside braces [readability-braces-around-statements]
PWGMM/UE/Tasks/flattenicityTask.cxx:298:40: warning: statement should be inside braces [readability-braces-around-statements]
PWGMM/UE/Tasks/flattenicityTask.cxx:300:23: warning: statement should be inside braces [readability-braces-around-statements]
PWGMM/UE/Tasks/flattenicityTask.cxx:303:22: warning: statement should be inside braces [readability-braces-around-statements]
PWGMM/UE/Tasks/flattenicityTask.cxx:317:20: warning: statement should be inside braces [readability-braces-around-statements]
PWGMM/UE/Tasks/flattenicityTask.cxx:326:40: warning: statement should be inside braces [readability-braces-around-statements]
PWGMM/UE/Tasks/flattenicityTask.cxx:332:40: warning: statement should be inside braces [readability-braces-around-statements]
PWGMM/UE/Tasks/flattenicityTask.cxx:357:28: warning: statement should be inside braces [readability-braces-around-statements]
PWGMM/UE/Tasks/flattenicityTask.cxx:376:114: warning: statement should be inside braces [readability-braces-around-statements]
PWGMM/UE/Tasks/flattenicityTask.cxx:396:112: warning: statement should be inside braces [readability-braces-around-statements]
PWGMM/UE/Tasks/flattenicityTask.cxx:455:32: warning: statement should be inside braces [readability-braces-around-statements]
PWGMM/UE/Tasks/flattenicityTask.cxx:457:43: warning: statement should be inside braces [readability-braces-around-statements]
PWGMM/UE/Tasks/flattenicityTask.cxx:461:68: warning: statement should be inside braces [readability-braces-around-statements]
PWGMM/UE/Tasks/flattenicityTask.cxx:463:82: warning: statement should be inside braces [readability-braces-around-statements]
[0 more errors; see full log]

Full log here.