[Coin-lpsolver] Bug in RowStatus: Lower vs. Upper Bound

Thu Oct 20 16:35:05 EDT 2005

On Thu, 20.10.2005 at 12:07:12 -0400, John J Forrest wrote:
> Clp uses row activities so activity = sum a sub ij * x sub j.  So there is 
> an implicit -1 - CoinWarmStart thinks in terms of +1 so L and U are 
> flipped.  Both are correct.

I see, thanks, and sorry for the noise.

Ulrich Spoerlein
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Ok, which part of "Ph'nglui mglw'nafh Cthulhu R'lyeh wgah'nagl fhtagn."
didn't you understand?