Opened 6 years ago
Closed 6 years ago
#16800 closed enhancement (fixed)
PPL MILP solver: improve handling of equalities
| Reported by: | jdemeyer | Owned by: | |
|---|---|---|---|
| Priority: | major | Milestone: | sage-6.4 |
| Component: | linear programming | Keywords: | |
| Cc: | Merged in: | ||
| Authors: | Jeroen Demeyer | Reviewers: | Volker Braun |
| Report Upstream: | N/A | Work issues: | |
| Branch: | e4cfbba (Commits) | Commit: | e4cfbba3cdbda98fbb772f1dc5b1a6b40cae7994 |
| Dependencies: | #16755 | Stopgaps: |
Description
The PPL MILP backend treats a constraint A == B as 2 constraints A <= B and A >= B, which is much less efficient.
Change History (5)
comment:1 Changed 6 years ago by
- Dependencies set to #16755
comment:2 Changed 6 years ago by
- Branch set to u/jdemeyer/ticket/16800
- Created changed from 08/12/14 07:38:51 to 08/12/14 07:38:51
- Modified changed from 08/12/14 07:39:09 to 08/12/14 07:39:09
comment:3 Changed 6 years ago by
- Commit set to e4cfbba3cdbda98fbb772f1dc5b1a6b40cae7994
- Status changed from new to needs_review
comment:4 Changed 6 years ago by
- Reviewers set to Volker Braun
- Status changed from needs_review to positive_review
lgtm
comment:5 Changed 6 years ago by
- Branch changed from u/jdemeyer/ticket/16800 to e4cfbba3cdbda98fbb772f1dc5b1a6b40cae7994
- Resolution set to fixed
- Status changed from positive_review to closed
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New commits:
Allow rational coefficients in PPL MILP-backendPPL MILP: improve support for equalities as constraints