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Direct and Persistent Interfaces to SCIP#3744

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michaelbynum wants to merge 106 commits into
Pyomo:mainfrom
michaelbynum:scip_port
Open

Direct and Persistent Interfaces to SCIP#3744
michaelbynum wants to merge 106 commits into
Pyomo:mainfrom
michaelbynum:scip_port

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@michaelbynum michaelbynum commented Oct 6, 2025

Fixes #849, #3107, #1615.

Summary/Motivation:

The primary purpose of the PR is to port the direct and persistent interfaces for SCIP from #3200 to contrib/solver. I worked off of the branch created by @Opt-Mucca, so all of their commits are preserved. I will close #3200 shortly.

Changes proposed in this PR:

  • Create direct and persistent interfaces to SCIP
  • Expand the API of the ModelChangeDetector in contrib/observer slightly

Legal Acknowledgement

By contributing to this software project, I have read the contribution guide and agree to the following terms and conditions for my contribution:

  1. I agree my contributions are submitted under the BSD license.
  2. I represent I am authorized to make the contributions and grant the license. If my employer has rights to intellectual property that includes these contributions, I represent that I have received permission to make contributions and grant the required license on behalf of that employer.

Opt-Mucca and others added 30 commits March 18, 2024 15:14
Co-authored-by: Miranda Mundt <55767766+mrmundt@users.noreply.github.com>
@blnicho blnicho marked this pull request as draft April 30, 2026 13:00
@michaelbynum michaelbynum changed the title [Depends on #3703] Direct and Persistent Interfaces to SCIP Direct and Persistent Interfaces to SCIP May 11, 2026
@michaelbynum michaelbynum marked this pull request as ready for review May 11, 2026 14:53
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Test results depending. I made the changes I wanted to see already.

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SCIPAMPL fails to get primal bound from log file SCIP Solver Results undefined/unknown/inf Python interface to SCIP persistent solver

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