[tor-bugs] #23323 [Core Tor/Tor]: sample_laplace_distribution should produce a valid result on 0.0

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#23323: sample_laplace_distribution should produce a valid result on 0.0
-------------------------+-------------------------------------------------
     Reporter:  teor     |      Owner:  (none)
         Type:  defect   |     Status:  new
     Priority:  Medium   |  Milestone:  Tor: 0.3.2.x-final
    Component:  Core     |    Version:  Tor: 0.2.6.3-alpha
  Tor/Tor                |   Keywords:  tor-relay, security-low,
     Severity:  Normal   |  031-backport, 030-backport, 029-backport, 028
                         |  -backport-maybe, 027-backport-maybe, 026
                         |  -backport-maybe
Actual Points:           |  Parent ID:  #23061
       Points:  0.5      |   Reviewer:
      Sponsor:           |
-------------------------+-------------------------------------------------
 Destroying the signal with probability 1 in 2^-53^ isn't a great idea.
 Let's pick a sensible double value, and pass it through the function
 instead.

 I suggest 2^-54^, but it really doesn't matter exactly what value we use,
 as long as it produces valid results, because the probability is so low.

 Introduced in 45bc5a0

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/23323>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online

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