[Scip] Fractional dual bound when the objective is integer

[Thomas Schlechte]

Hi,

try

SCIPsetObjIntegral     (     SCIP *      scip    )

http://scip.zib.de/doc/html/scip_8h.html#a25eb39191c5832ce2b39d3a2895cec7d

best wishes

Thomas


On 10.07.2012 17:47, Daniel Karch wrote:
> Hi,
>
> I have a short question. I am working on an ILP model (minimization) where
> the objective value is always integer.
> Suppose that SCIP's current dual bound is fractional, say 7.5 ... By the
> integrality of the objective we know that
> 8 is also a valid lower bound. Does SCIP take this into account? Would it
> even help?
>
> Best regards,
>
>    Daniel
>
>
>
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Dr. Thomas Schlechte
Zuse Institute Berlin
Takustrasse 7, D-14195 Berlin-Dahlem, Germany
phone: +49-30 841 85 317
fax: +49-30 841 85 269
url: http://www.zib.de/schlechte
e-mail: schlechte at zib.de
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