Exact hull reformulation for quadratic constraints#3874

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blnicho merged 56 commits intoPyomo:mainfrom

sergey-gusev94:exact_hull_combined

Apr 30, 2026

Commits on Mar 6, 2026

added exact hull reformulations
sergey-gusev94
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Commits on Mar 7, 2026

Commits on Mar 8, 2026

Initial plan
Copilot
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Initial plan
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Add exact_hull_quadratic to class docstring before eigenvalue_tolerance

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sergey-gusev94
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Add comprehensive TestExactHullQuadratic tests for exact_hull_quadratic feature

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sergey-gusev94
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Merge pull request #6 from sergey-gusev94/copilot/sub-pr-2-yet-again
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Move TestExactHullQuadratic inline models into models.py as factory functions

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sergey-gusev94
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Apply review feedback: per-test skipUnless decorators and updated eigenvalue_tolerance in permissive test

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Merge pull request #5 from sergey-gusev94/copilot/sub-pr-2-another-one
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Initial plan
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Fix all-zero-eigenvalue bug: warn and fall back to general hull path

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Fix warning message: says general exact hull, not linear

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Remove last "treated as linear" references from comment and docstring

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Move inline imports to module level in test_hull.py

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Update pyomo/gdp/tests/test_hull.py

sergey-gusev94
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Copilot
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Update pyomo/gdp/tests/test_hull.py

sergey-gusev94
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Copilot
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Gate all-zero-eigenvalue fallback warning on not c.equality

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sergey-gusev94
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Update pyomo/gdp/plugins/hull.py

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Copilot
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Merge pull request #7 from sergey-gusev94/copilot/sub-pr-2-one-more-time
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Initial plan
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Reorder CONFIG: declare exact_hull_quadratic before eigenvalue_tolerance

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Merge pull request #8 from sergey-gusev94/copilot/sub-pr-2-please-work
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Commits on Mar 13, 2026

added comments and reference to the paper
sergey-gusev94
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Commits on Mar 15, 2026

Commits on Mar 16, 2026

Commits on Apr 14, 2026

used QuadraticRepn instead of generate_standard_repn and adressed other minor comments
sergey-gusev94
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Commits on Apr 22, 2026

Merge branch 'main' into exact_hull_combined
blnicho
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