[Debian-med-packaging] Bug#1067631: src:altree: autopkgtest timeouts on armel, armhf and ppc64el

[Étienne Mollier]

Control: tags -1 confirmed help

On first sight, the below freeze felt typical of a char type
signedness, but enforcing -fsigned-char made no changes:

> [-----------------------
>  30s Analyzing file number 1
>  30s read done
>  30s Starting tree analysis

I pursued tracing the hangup down to the function rhyper within
the file CUtils/c_sources/rhyper.c (which does not involve char
variables).  The function implements a very optimized algorithm 
under high risk of being tightly coupled to certain floating
point implementation behaviors.  A numerical analyst may have
better insight about what's going on more precisely than I can.

In hope this gets people started alright were I left,
-- 
  .''`.  Étienne Mollier <emollier at debian.org>
 : :' :  pgp: 8f91 b227 c7d6 f2b1 948c  8236 793c f67e 8f0d 11da
 `. `'   sent from /dev/pts/3, please excuse my verbosity
   `-    on air: The Gentle Storm - The Moment (Storm Version)
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