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Re: [Help-glpk] lp/mip preprocessor api
From: |
Andrew Makhorin |
Subject: |
Re: [Help-glpk] lp/mip preprocessor api |
Date: |
Sat, 02 Dec 2017 20:21:08 +0300 |
Hi Chris,
> Here is my suggestion, together with a patch to implement it:
>
>
> I think it is useful to be able to perform step L2 more than once,
> i.e. to be able to call glp_npp_load_prob() after modifying the
> problem returned from glp_npp_build_prob() in order to update the PP
> workspace and continue preprocessing.
>
>
> The attached patch modifies glp_npp_load_prob() to allow this.
>
Sorry, I don't catch your idea. The resulting (preprocessed) problem
always resides in the PP workspace, so one can preprocess it in several
passes, if necessary.
Andrew Makhorin
- Re: [Help-glpk] lp/mip preprocessor api,
Andrew Makhorin <=