Add GsfMeasurement updator add a bit more comments, re-organise the methods

Add GsfMeasurement updator

• add a bit more comments,
• re-organise the methods ,
• use [[gnu::flatten]] in 'hot' method calling to Eigen

This merge request affects 1 package:

• Tracking/TrkFitter/TrkGaussianSumFilterUtils

This merge request affects 1 file:

• Tracking/TrkFitter/TrkGaussianSumFilterUtils/src/GsfMeasurementUpdator.cxx

Adding @amorley as watcher

added Egamma Tracking master review-pending-level-1 labels

CI Result SUCCESS (hash 4bceafd3)

	Athena	AthSimulation	AthGeneration	AnalysisBase	AthAnalysis	DetCommon
externals
cmake
make
required tests
optional tests

Full details available on this CI monitor view. Check the JIRA CI status board for known problems
Athena: number of compilation errors 0, warnings 0
AthSimulation: number of compilation errors 0, warnings 0
AthGeneration: number of compilation errors 0, warnings 0
AnalysisBase: number of compilation errors 0, warnings 0
AthAnalysis: number of compilation errors 0, warnings 0
DetCommon: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 52192]

added review-approved label and removed review-pending-level-1 label

All good. Karolos (L2)

Hi @christos , this one has picked some conflicts.

added review-user-action-required label

Ok will take a look later tonight ...

added 182 commits

• 4bceafd3...bcfffaf8 - 180 commits from branch atlas:master
• 5e748cfc - Add GsfMeasurement updator add a bit more comments, re-organise the methods ,...
• 4db47acd - Add GsfMeasurement updator add a bit more comments, re-organise the methods ,...

Compare with previous version

removed review-user-action-required label

There were multiple CI triggers for this MR and commit. The system ignored duplicates but the GitLab pipeline status may incorrectly show the job as failed. Once the remaining job finished running, the CI results will be posted as usual.

This merge request affects 1 package:

• Tracking/TrkFitter/TrkGaussianSumFilterUtils

This merge request affects 1 file:

• Tracking/TrkFitter/TrkGaussianSumFilterUtils/src/GsfMeasurementUpdator.cxx

Adding @amorley as watcher

added review-pending-level-1 label and removed review-approved label

removed review-pending-level-1 label

added review-approved label

CI Result SUCCESS (hash 4db47acd)

	Athena	AthSimulation	AthGeneration	AnalysisBase	AthAnalysis	DetCommon
externals
cmake
make
required tests
optional tests

Full details available on this CI monitor view. Check the JIRA CI status board for known problems
Athena: number of compilation errors 0, warnings 0
AthSimulation: number of compilation errors 0, warnings 0
AthGeneration: number of compilation errors 0, warnings 0
AnalysisBase: number of compilation errors 0, warnings 0
AthAnalysis: number of compilation errors 0, warnings 0
DetCommon: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 52291]

mentioned in commit e13c4976

merged

added sweep:ignore label