Re: [sv-ec] Query on transition match

From: David Scott <david_scott_at_.....>
Date: Thu Aug 28 2008 - 17:49:12 PDT
Swapnajit --

I think you are correct that something went wrong here.  Mantis 1777 changed the sequence of sampled values, without -- as far as I can tell -- altering text about bins b2 and b3.  The behavior of bins b2 and b3 used to be straightforward because the sampled values 3 and 2 alternated, and I think that behavior would change with the new sampled values.  Take a look at Draft 4 (or the 2005 standard) if you want to see how it was before.

Important note: I can't open any of the HTML attachments to Mantis 1777, including the final proposal.  I can open the PDF attachment of an earlier proposal.  The modifications were introduced in Draft 5, so you can infer the approved proposal from the results.  The Mantis proposal was written by Don Mills.

I think a new Mantis is necessary to clean this up.  Will Cadence be filing one?

Dave


Swapnajit Chakraborti wrote:
There seems to be an error in the following text in P1800-2009 draft6 from coverage section 18.5.1:
 
 
and the sequence of sampled values for coverpoint variable v
1st Sample
          5th         10th       15th
                                  |
1 4 3 2 3 3 2 2 3 2 3 1 5 5 5 5 5 5
 
the above sequence causes transition bin b2 to be incremented on the 6th sample (3 nonconsecutive twos),
and transition bin b3 to be incremented on the 7th sample (3 nonconsecutive threes).
 
Actually, this should be "b3" instead of "b2" and "threes" instead of "twos". Also its not clear how b3
is incremented in 7th sample.
 
Regds,
Swapnajit
 
 

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