Hello,

This MR adds a protection against computing Log10(0) for very rare cases (10 taus in 15 million events, as observed in gamma* MC).
It seems we can have "pathological" taus where clusters have FIRST_ENG_DENS = 0.
This seems to happen when |eta|~1.5, when all the cluster energy is in the presampler.
This MR does not change the reconstruction output except in very rare case, where xAOD::TauJetParameters::ClustersMeanFirstEngDens used to be -inf, and is now 0.

Cheers,
Bertrand

Add option to run only one sig in new jo

See merge request atlas/athena!39425

Use precision tracking in min-bias slice

See merge request atlas/athena!39422

Hepmc3 nightly fixes 26122020 part 1

See merge request atlas/athena!39416

Adding new categories for Tau trigger online monitoring

See merge request atlas/athena!39418

Revert removal of EventUtils/ParticleSortingAlg

See merge request atlas/athena!39417

Changes prompted by ATLASDQ-832

See merge request atlas/athena!39415

macOS 11 Fix, master branch (2020.12.26.)

See merge request atlas/athena!39414

Fix ATLASRECTS-5797 Duplicated c++ includes in InnerDetector packages

Closes ATLASRECTS-5797 and ATLASRECTS-579

See merge request atlas/athena!39413

This reverts commit 2904e609.

This is necessary on macOS 11, as system headers on that OS do
define these macros for some weird reason.

Hepmc3 nightly fixes 23122020 part 1

See merge request atlas/athena!39409

IDAlignmentMonitoring resolving some conflicts

See merge request atlas/athena!39392

Bugfix for the Event Service

See merge request atlas/athena!39410

Modify element index in L2Muon Hypo

See merge request atlas/athena!39405

CP algs: Photons updates for DAOD_PHYS in master

See merge request atlas/athena!39403

CP algs: Jet updates for DAOD_PHYS in master

See merge request atlas/athena!39402

CP algs: Disable parts of tau tests until everything is working

See merge request atlas/athena!39400

CP algs: Configure CutFlowSvc in tests when needed

See merge request atlas/athena!39399

CP algs: Merge MetMakerAlg and MetSystematicsAlg due to dependencies

See merge request atlas/athena!39398

Bugfix in the mechanism of handling failed MP workers in the Event Service.
This patch covers the case when a worker fails to transition from the event
processing state into the finalization state after receiving "No more events"
message from the range scatterer. The idea here is that instead of releasing
a fixed number of workers (nprocs), the scatterer will keep releasing the
workers until it gets a signal that all of them have finished.

CP algs: Cleanup EventLoop tests

See merge request atlas/athena!39394

CP algs: Use POOL access for now and unify Athena tests

See merge request atlas/athena!39393

Add Particle_v1 to the standalone dictionary loader

See merge request atlas/athena!39390

AthenaCommon: Bugfix athena preload logic

Closes ATEAM-689

See merge request atlas/athena!39365

ATR-22206, adding functionality for multi-leg merging

See merge request atlas/athena!39109

Some improvements to SharedIO efficiency of dynamic aux store.

See merge request atlas/athena!39407

TrigConfStorage: Fix memory leaks.

See merge request atlas/athena!39349