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[Jérôme Duriez <jerome.duriez@xxxxxxxxx>]

See commit
https://github.com/yade/trunk/commit/7c60d78bd9badfa174fb79a82af7b119abf81d5d.
It fixes the example in the above and the related Launchpad question (I
guess, since there was no MWE therein ;-) ).

There are also several uses of aabb tuple stuff in
/py/pack/_packPredicates.cpp which is untouched for now and requires
more time to be looked at. It is not mandatory things are broken there.

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https://bugs.launchpad.net/bugs/1804621

Title:
  bodyNumInteractionsHistogram broken

Status in Yade:
  New

Bug description:
  See https://answers.launchpad.net/yade/+question/676284 and:

  #####################
  O.bodies.append(sphere((0,0,0),1,dynamic=False))
  O.bodies.append(sphere((0,0,1.9),1,dynamic=False))

  O.step()

  print 'BodyNumInteractions Histogram', bodyNumInteractionsHistogram(aabbExtrema())
  ####################

  which returns (with trunk version) :

  ArgumentError: Python argument types in
      yade._utils.bodyNumInteractionsHistogram(list)
  did not match C++ signature:
      bodyNumInteractionsHistogram(boost::python::tuple aabb, bool contactOnly=False)

  
  because my commit [*] changed the Python return type of aabbExtrema() from tuple to list.

  
  Possible (and easiest) fix would be to change all corresponding py::tuple aabb from py::list aabb. Agree ? 

  Or do we want this function to deal with Python tuples and not lists
  ?..


  Jérôme

  [*]
  https://github.com/yade/trunk/commit/1db13fb1183b9e294dc9761da76cfa4fc2791cc1

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