[Ns-bugs] [Bug 181] Normal Variable Infinite Value & Bounds

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http://www.nsnam.org/bugzilla/show_bug.cgi?id=181





------- Comment #11 from mathieu.lacage at sophia.inria.fr  2008-06-18 15:23 -------
(In reply to comment #10)
> Hi all,
> 
> The fix for the bounds that was applied is incorrect, or I am seriously
> confused.  It currently, quite frequently, generates values outside the bounds.
>  I am not sure if the original code had this behavior or not.  The below
> snippet will bomb pretty much every run.  I suspect that the readjustment of
> m_static_next if found out-of-bounds is incorrect, but have not investigated
> further.
> 
> Thx
> 
> 
>   bool bomb = 0;
>   double mean = 1.0, variance = 0.2, bound = 0.75;
>   for (int x = 0; x < 50; x++) {
>     double x = NormalVariable::GetSingleValue(mean,variance,bound);
>     if (x < mean-bound || x > mean+bound) {
>       bomb = true;
>       std::cout << "** ";
>     }
>     std::cout << x << std::endl;
>   }
>   if (bomb)
>     std::cout << std::endl << "BOMBED" << std::endl;


The previous patch did modify GetValue but not GetSingleValue.
> 


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