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[Bruno Chareyre <question253257@xxxxxxxxxxxxxxxxxxxxx>]

Question #253257 on Yade changed:
https://answers.launchpad.net/yade/+question/253257

Bruno Chareyre posted a new comment:
I suspect the problem is in the generator, not in the distribution.
In other words, Box-Muller based on std::default_random_engine would be bad as well.

I guess you have seen the list of available generators [1]. Not sure which one is best but, for the one you tried it says:
"provides at least acceptable engine behavior for relatively casual, inexpert, and/or lightweight use"...

I have no idea what is used for std::rand(). It seems it is
implementation dependent. It could be a wrapper of
std::default_random_engine...

[1] http://www.cplusplus.com/reference/random/

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