InDetVKalVxInJetTool package cleaning

1. Add std:: to all mathematical functions, use sincos instead of independent sin+cos
2. Remove mutable variable
3. Explicit check of new() operator success
4. Implement ATLAS style recommendations

This merge request affects 1 package:

• InnerDetector/InDetRecTools/InDetVKalVxInJetTool

Adding @goetz ,@amorley ,@sroe as watchers

added InnerDetector JetEtmiss master review-pending-level-1 labels

CI Result SUCCESS (hash 265bdf37)

	Athena	AthSimulation	AthGeneration	AnalysisBase
externals
cmake
make
required tests
optional tests

Full details available on this CI monitor view
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
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 19538]

Hi, I would like to pass it to L2 in order to review BTagVrtSecMulti.cxx, the changes here are many and thus the diff source can't be opened. Other changes look fine to me. Thanks, L1

added review-pending-level-2 label and removed review-pending-level-1 label

added 1 commit

• 64815a6d - 1) Clean up code leftovers

Compare with previous version

This merge request affects 1 package:

• InnerDetector/InDetRecTools/InDetVKalVxInJetTool

Adding @goetz ,@amorley ,@sroe as watchers

added review-pending-level-1 label and removed review-pending-level-2 label

CI Result SUCCESS (hash 64815a6d)

	Athena	AthSimulation	AthGeneration	AnalysisBase
externals
cmake
make
required tests
optional tests

Full details available on this CI monitor view
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
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 19716]

Escalating to L2 for reasons mentioned above. Cheers, L1

added review-pending-level-2 label and removed review-pending-level-1 label