[Coin-discuss] Strange termination

Kasper Bonne Rasmussen s992293 at imm.dtu.dk
Fri Jun 17 15:56:42 EDT 2005


On Fri, 17 Jun 2005, Jean-Sebastien Roy wrote:
> Ted Ralphs wrote:
> > That's what I was going to guess...in the LP case, we explicitly check 
> > for this return status and turn off the presolve before resolving the 
> > problem in this case. This might not be prudent in the MIP case. Take a 
> > look at the code in initialSolve(). Something similar could be done in 
> > the MIP case.
> 
> Mr Rasmussen, could you try with the presolve disabled and see if the 
> status returned is correct ?
> 
> If it does, does the following patch fixes the status in all cases ?

It compiles okay (with CPX_MIP_INForUNBD changed to CPXMIP_INForUNBD), but
it does not solve the problem. The status is still CPXMIP_INForUNBD
(119) after the second solve.

/Kasper





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