[tor-bugs] #13192 [Tor]: Collect aggregate stats of total hidden service usage vs total exit usage in Tor network

[Tor Bug Tracker & Wiki]

#13192: Collect aggregate stats of total hidden service usage vs total exit usage
in Tor network
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     Reporter:  arma         |      Owner:
         Type:  enhancement  |     Status:  needs_review
     Priority:  normal       |  Milestone:  Tor: 0.2.???
    Component:  Tor          |    Version:
   Resolution:               |   Keywords:  SponsorR tor-relay tor-hs
Actual Points:               |  Parent ID:
       Points:               |
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Comment (by karsten):

 I changed the `p == 0.0` part to `p <= 0.0` because GCC thinks we
 shouldn't compare floats with `==`.  Not sure if we should instead do
 something like `< 0.0000000000000002` (smallest possible positive double
 value).

 I don't know what to do about `trunc` vs. `tor_trunc`.  I figured it's
 probably harmless.  Want to investigate?  And want to add a comment?  I
 think teor's idea there was to silence clang warnings which we'd get when
 converting using an explicit cast and which we don't get when doing the
 conversion even more explicitly.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/13192#comment:51>
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