[PWGCF] jEPFlowAnalysis.cxx: fix bug for initialization

[jikim1290]

fix bug for initialization

[github-actions]

O2 linter results: ❌ 0 errors, ⚠️ 3 warnings, 🔕 0 disabled

[alibuild]

Error while checking build/O2Physics/code-check for d7b8010 at 2026-08-25 04:45:

## sw/BUILD/O2Physics-latest/log
c++: fatal error: Killed signal terminated program cc1plus
c++: fatal error: Killed signal terminated program cc1plus
ninja: build stopped: subcommand failed.

Full log here.

[alibuild]

Error while checking build/O2Physics/code-check for ddcd2a1 at 2026-08-25 05:43:

## sw/BUILD/O2Physics-code-check-latest/log
--
========== List of issues found ==========
++ echo 'Found 4 errors and 33 warnings.'
Found 4 errors and 33 warnings.
++ [[ 4 -gt 0 ]]
++ cat /sw/BUILD/36ad69654248866441e2eccf6031c27663620836/O2Physics-code-check/errors.txt
PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:75:8: error: constructor does not initialize these fields: pdg, ccdb [cppcoreguidelines-pro-type-member-init,-warnings-as-errors]
PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:247:31: error: repeated branch body in conditional chain [bugprone-branch-clone,-warnings-as-errors]
PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:271:5: error: switching on non-enum value without default case may not cover all cases [bugprone-switch-missing-default-case,-warnings-as-errors]
PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:583:31: 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]
++ [[ 33 -gt 0 ]]
++ cat /sw/BUILD/36ad69654248866441e2eccf6031c27663620836/O2Physics-code-check/warnings.txt
PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:207:40: warning: initializer for member 'shiftprofile' is redundant [readability-redundant-member-init]
PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:218:37: warning: initializer for member 'ft0RelGainConst' is redundant [readability-redundant-member-init]
PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:219:37: warning: initializer for member 'fv0RelGainConst' is redundant [readability-redundant-member-init]
PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:235:7: warning: do not use 'else' after 'return' [readability-else-after-return]
PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:249:7: warning: do not use 'else' after 'return' [readability-else-after-return]
PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:269:44: warning: statement should be inside braces [readability-braces-around-statements]
PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:273:26: warning: statement should be inside braces [readability-braces-around-statements]
PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:277:136: warning: statement should be inside braces [readability-braces-around-statements]
PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:282:120: warning: statement should be inside braces [readability-braces-around-statements]
PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:286:81: warning: statement should be inside braces [readability-braces-around-statements]
PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:291:114: warning: statement should be inside braces [readability-braces-around-statements]
PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:294:59: warning: statement should be inside braces [readability-braces-around-statements]
PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:374:5: warning: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays]
PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:375:5: warning: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays]
PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:376:5: warning: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays]
PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:448:48: warning: statement should be inside braces [readability-braces-around-statements]
PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:465:41: warning: statement should be inside braces [readability-braces-around-statements]
PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:470:50: warning: statement should be inside braces [readability-braces-around-statements]
PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:473:134: warning: statement should be inside braces [readability-braces-around-statements]
PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:476:84: warning: statement should be inside braces [readability-braces-around-statements]
PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:532:46: warning: statement should be inside braces [readability-braces-around-statements]
PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:577:5: warning: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays]
PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:658:9: warning: implicit conversion 'int' -> 'bool' [readability-implicit-bool-conversion]
PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:669:9: warning: implicit conversion 'int' -> 'bool' [readability-implicit-bool-conversion]
PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:685:27: warning: statement should be inside braces [readability-braces-around-statements]
PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:768:122: warning: statement should be inside braces [readability-braces-around-statements]
PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:777:9: warning: implicit conversion 'int' -> 'bool' [readability-implicit-bool-conversion]
PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:782:9: warning: implicit conversion 'int' -> 'bool' [readability-implicit-bool-conversion]
PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:798:27: warning: statement should be inside braces [readability-braces-around-statements]
PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:818:11: warning: implicit conversion 'uint8_t' (aka 'unsigned char') -> 'bool' [readability-implicit-bool-conversion]
PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:833:33: warning: statement should be inside braces [readability-braces-around-statements]
PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:846:63: warning: statement should be inside braces [readability-braces-around-statements]
PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:856:43: warning: statement should be inside braces [readability-braces-around-statements]
++ [[ 4 -gt 0 ]]
++ exit 1
--
[0 more errors; see full log]

Full log here.

[alibuild]

Error while checking build/O2Physics/o2 for d3deb6e at 2026-08-25 06:18:

## sw/BUILD/O2Physics-latest/log
/sw/SOURCES/O2Physics/slc9_x86-64-slc9_x86-64/0/PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:246:3: error: control reaches end of non-void function [-Werror=return-type]
ninja: build stopped: subcommand failed.

Full log here.

[alibuild]

Error while checking build/O2Physics/staging for 74e663d at 2026-08-25 06:21:

## sw/BUILD/O2Physics-latest/log
/sw/SOURCES/O2Physics/slc9_x86-64-slc9_x86-64/0/PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:246:3: error: control reaches end of non-void function [-Werror=return-type]
ninja: build stopped: subcommand failed.

Full log here.

[alibuild]

Error while checking build/O2Physics/o2 for 74e663d at 2026-08-25 06:26:

## sw/BUILD/O2Physics-latest/log
/sw/SOURCES/O2Physics/slc9_x86-64-slc9_x86-64/0/PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:246:3: error: control reaches end of non-void function [-Werror=return-type]
ninja: build stopped: subcommand failed.

Full log here.

[alibuild]

Error while checking build/O2Physics/code-check for 74e663d at 2026-08-25 06:38:

## sw/BUILD/O2Physics-code-check-latest/log
--
========== List of issues found ==========
++ echo 'Found 1 errors and 0 warnings.'
Found 1 errors and 0 warnings.
++ [[ 1 -gt 0 ]]
++ cat /sw/BUILD/06f0efa9668031b7756a0dd1cfe66b2e6385d9ca/O2Physics-code-check/errors.txt
PWGCF/JCorran/Tasks/jEPFlowAnalysis.cxx:246:3: error: non-void function does not return a value in all control paths [clang-diagnostic-return-type,-warnings-as-errors]
++ [[ 0 -gt 0 ]]
++ [[ 1 -gt 0 ]]
++ exit 1
--

Full log here.