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Allow test reference files to be found outside of the repository.

The tests in this package require TrackParticleAtheanPool, which is not
built in AthDerivation.  So disable the tests if this library is not 
available.

Former-commit-id: ef02176d62be95b082ea52d050d469ee6e978f26

Synchronize with version in 21.2:

The tests in this package require TrackParticleAtheanPool, which is not
built in AthDerivation.  So disable the tests if this library is not
available.


Former-commit-id: dfc8bf951dda80335ffc5c23d05a7fda0e16f901

Avoid calling functions that may return null via a reference.

Allow testing whether a CylinderSurface has a bounds object (it can be missing
depending on how the object was constructed).  Allows avoiding undefined
behavior sanitizer warnings from event dumping.

Former-commit-id: 6aaed1df488f86e7caf3d14b7b872d9e592e558b

Backport from master:

Suppress undefined behavior sanitizer warning for a deliberate
cross-cast (related to working around a problem with old EDM versions).



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Remove unused `pitchY` variable.


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Adam Edward Barton authored 7 years ago and Edward Moyse committed 6 years ago

Licence cleanup  - see ATLASRECTS-4399

See merge request atlas/athena!9570


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Alan Poppleton authored 8 years ago and Edward Moyse committed 6 years ago

Cherry-picked 97d47287 [formerly e5e2803a23e666fb226067f4161f3d58fdb2565]. only fix was to accept the vector to list migration.e


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This reverts commit aa5fed68 [formerly 32a5a7f8934e1d99834cf295dad9b50bf445b6a7], reversing
changes made to a0d90e4a [formerly 1888a6f1424c63e186731715a77e46192b99b3d2].


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Change default value of TracksMaxZinterval to current trial working point (1 mm) for high luminosity


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Add truth vertex analysis to test algorithm; fix bug in density calculation; tested successful on full-truth MC.


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Clean-up and apply hopefully workable method to efficiently evaluate contributions only from tracks near sample point.


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Attempt to optimize so only tracks with a reasonable distance of the test point are used in the computation.


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As discussed in !2959, a bug in the extrapolator was in rare cases causing thousands of scatterers to be added to a track.
Thanks to Peter Kluit, we believe that we have now tracked this down to a bug in the STEP_Propagator.
The propagator was getting stuck in a volume and iterating forward in steps of 1-10 um, adding a scatterer each time.
At the time, we implemented a "fix" that simply aborted the track-finding when more than 1000 scatterers were found on a track.
Now, the underlying issue should finally be resolved.
It appears that the problem was occurring when the propagator found two solutions from the starting surface, the first of which was trivial and the second of which gave a negative distance estimate.
In this case, the propagator would automatically flip direction, bringing it back almost to the starting point, where it would add a scatterer.
Then the process would repeat thousands of times, until it got far enough away from the start position that there was no second solution, or one with a postive distance estimate.
By identifying these cases and rejecting their negative-distance second solutions, this problem is avoided.
Given the rarity of this problem, FT0 tests naturally show no violation, results are available at /afs/cern.ch/work/w/wleight/public/MuonSW/tooManyScatterers/RunTier0Tests.log


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The previous commit to this class incorrectly used smart pointers,
specifically, their ownership was not released. Moreover, the wrapped
objects were initialised incorrectly, leading to the same
`Trk::PlaneSurface' being duplicated, filling the vector with the same
surface.

Although it appears the owning objects free memory, we play it safe by
keeping the smart pointers here, as opposed to resorting back to raw
ones.


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This is mainly to fix ATLASSIM-3588, but there were a few other instances too.
`StreamHITS` is found in `AlgSequence("Streams")` rather than `AlgSequence()` now.
Will make a separate merge request fixing the same issue for `StreamRDO`.


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Allow test reference files to be found outside of the repository.



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Optimisation of straightLineDistanceEstimate based on basic vector algebra and common terms: 30% faster


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