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

[bugzilla-daemon@nsnam-www.ece.gatech.edu]

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


tjkopena at cs.drexel.edu changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
         Resolution|FIXED                       |




------- Comment #10 from tjkopena at cs.drexel.edu  2008-06-18 09:45 -------
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;


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