[Cbc] How to decide with variable to branch ?
John Forrest
john.forrest at fastercoin.com
Wed Dec 21 03:20:58 EST 2011
Haroldo,
You want betterBranch. bestBranch was older and is only called if there
are no dynamic pseudo costs etc etc.
You may also want to derive from CbcSimpleIntegerDynamicPseudoCost to
give yourself even more control.
John
On 20/12/11 19:06, Haroldo Gambini Santos wrote:
> Dear All,
>
> I would like to insert a code in my solver (built using cbc) to decide
> which variable to branch and the direction.
>
> What should I do ? Write a callback ? To specialize some class ?
>
> Tried to create a class derived from
> CbcBranchDecision, override the method bestBranch and call
> cbcModel->cbcBranchingMethod for this class but apparently this method
> was not even called (put a printf inside to check).
>
> Regards,
>
> Haroldo
>
>
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