[SCIP] Constraints user data

[Iain Fullelove]

Hi Mathieu,

Thanks for the advice, i'll have a go at storing the precedences in the
data of the relaxation handler.
Are there any example bits of code for doing this?

Cheers,
Iain

On Fri, Nov 11, 2022 at 11:33 PM Besancon, Mathieu <besancon at zib.de> wrote:

> Hi Iain,
>
>
> The two options that seem straightforward would be to indeed define a new
> constraint handler with the precedence information or to store the
> precedence in the data of your relaxation handler. The latter seems to  be
> the least amount of modification to your current structure right?
>
>
> Best,
>
> Mathieu
> ------------------------------
> *From:* Scip <scip-bounces at zib.de> on behalf of Iain Fullelove <
> fullelove.iain at gmail.com>
> *Sent:* Friday, November 11, 2022 2:15:01 PM
> *To:* scip at zib.de
> *Subject:* [SCIP] Constraints user data
>
> Hi,
>
> I'm working on a problem that is basically solving a max-flow min-cut
> problem that has capacity constraints.
> I currently use the function "SCIPvarSetData" to add my own user data to
> the decision variables but can't find an equivalent function for adding
> user data to constraints? Or would this require me to implement a full
> constraint handler?
> The reason I was wanting to do this is because the majority of my
> constraints are precedence constraints between two nodes in the graph
> network, and I was wanting to mark these constraints as precedence
> constraints for the custom relaxation handler I added.
>
> Thanks,
> Iain
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://listserv.zib.de/pipermail/scip/attachments/20221113/f2ee4b03/attachment.html>