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[RF] New PDF: gaussian with double sided exponential tails #17976

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@ferdymercury ferdymercury commented Mar 12, 2025

This Pull request:

Changes or fixes:

Fixes https://its.cern.ch/jira/browse/ROOT-8093

It's a simpler alternative to RooCrystalBall with potentially less instabilities

Checklist:

  • tested changes locally
  • updated the docs (if necessary)

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github-actions bot commented Mar 13, 2025

Test Results

    15 files      15 suites   3d 9h 58m 25s ⏱️
 2 730 tests  2 730 ✅ 0 💤 0 ❌
39 678 runs  39 678 ✅ 0 💤 0 ❌

Results for commit deb9d9c.

♻️ This comment has been updated with latest results.

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mpuccio commented Mar 13, 2025

Hello! Thanks a lot for this, it is extremely useful. About the naming: this distribution has been used in ALICE since well before the paper from Souvik Das, see for instance https://www.worldscientific.com/doi/epdf/10.1142/S0217751X14300440 figure 42 and some code implementation here that was published in 2015. Just to say that it might be fine to just call it for what it is and avoid name attributions.

@ferdymercury ferdymercury added this to the 6.36.00 milestone Apr 15, 2025
@ferdymercury ferdymercury modified the milestones: 6.36.00, 6.38.00 Apr 23, 2025
It's a simpler alternative too RooCrystalBall with potentially less instabilities

Fixes https://its.cern.ch/jira/browse/ROOT-8093

[RF] assert for devON avoid warning
[RF] Rename RooGaussExpTailDas.h to RooGaussExpTails.h

[RF] Rename RooGaussExpTailDas.cxx to RooGaussExpTails.cxx
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4 participants