Include the possibility of combining four objects in the "CandViewShallowCloneCombiner" producer

[Ma128-bit]

PR description:

Included the possibility of using the producer “CandViewShallowCloneCombiner” to create combinations of four objects, I simply added && lists != 4 in:

if (lists != 2 && lists != 3)

PR validation:

The producer has been used with this modification to generate combinations of four muons without apparent issues in the B→4μ analysis.
P.S. This modification will not have any impact on combinations of two or three objects.

If this PR is a backport please specify the original PR and why you need to backport that PR. If this PR will be backported please specify to which release cycle the backport is meant for:

Will backport to 15_1_X and 15_0_X.
If it is possible also to: 14_2_X, 14_1_X and 14_0_X

[cmsbuild]

cms-bot internal usage

[cmsbuild]

+code-checks

Logs: https://cmssdt.cern.ch/SDT/code-checks/cms-sw-PR-47691/44239

[cmsbuild]

A new Pull Request was created by @Ma128-bit for master.

It involves the following packages:

• CommonTools/CandAlgos (reconstruction)

@cmsbuild, @jfernan2, @mandrenguyen can you please review it and eventually sign? Thanks.
@missirol this is something you requested to watch as well.
@antoniovilela, @mandrenguyen, @rappoccio, @sextonkennedy you are the release manager for this.

cms-bot commands are listed here

[jfernan2]

please test

[cmsbuild]

+1

Size: This PR adds an extra 20KB to repository
Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-e3f54b/45195/summary.html
COMMIT: e6d7e7e
CMSSW: CMSSW_15_1_X_2025-03-25-1100/el8_amd64_gcc12
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week0/cms-sw/cmssw/47691/45195/install.sh to create a dev area with all the needed externals and cmssw changes.

The following merge commits were also included on top of IB + this PR after doing git cms-merge-topic:

• @mmusich Follow-up to add HLT tracking monitoring in cosmics #47663

You can see more details here:
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-e3f54b/45195/git-recent-commits.json
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-e3f54b/45195/git-merge-result

Comparison Summary

Summary:

• You potentially removed 1 lines from the logs
• Reco comparison results: 4 differences found in the comparisons
• DQMHistoTests: Total files compared: 50
• DQMHistoTests: Total histograms compared: 3908970
• DQMHistoTests: Total failures: 24
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 3908926
• DQMHistoTests: Total skipped: 20
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 5.9399999999999995 KiB( 49 files compared)
• DQMHistoSizes: changed ( 4.22,... ): 1.980 KiB HLT/Tracking
• Checked 215 log files, 184 edm output root files, 50 DQM output files
• TriggerResults: no differences found

[jfernan2]

+1

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next master IBs (tests are also fine). This pull request will now be reviewed by the release team before it's merged. @rappoccio, @mandrenguyen, @antoniovilela, @sextonkennedy (and backports should be raised in the release meeting by the corresponding L2)

[mandrenguyen]

+1