Details
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Type:
Bug
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Status: Closed (View Workflow)
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Priority:
Blocker
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Resolution: Fixed
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Affects Version/s: None
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Fix Version/s: 6.22/00
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Component/s: Math Libraries
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Labels:None
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Environment:
All
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Development:
Description
TMath::Poisson(n,mu) for n = 0 and mu < 0 returns wrong value ,
instead of returning a NaN it returns exp(-mu) which is completely wrong.
This can cause some fits using the Poisson model to give wring results !