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Speed up `-SumExpr`, `-ProdExpr` and `-Constant` - #1179

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Zeroto521 wants to merge 52 commits into

scipopt:masterfrom

Zeroto521:expr/__neg__

Closed

Speed up `-SumExpr`, `-ProdExpr` and `-Constant`#1179
Zeroto521 wants to merge 52 commits into
scipopt:masterfrom
Zeroto521:expr/neg

Commits on Jan 26, 2026
- Optimize Expr negation with Cython dict iteration
  Zeroto521
  committed
  28d3adc
- Add copy method and negation to GenExpr and ProdExpr
  Zeroto521
  committed
  1be74c8
- Add return type annotations to __neg__ methods
  Zeroto521
  committed
  e4351fa
- Optimize SumExpr coefficients with cpython.array
  Zeroto521
  committed
  fb9fcc8
- Add tests for negation of expression objects
  Zeroto521
  committed
  f55c222
Commits on Jan 29, 2026
- Merge remote-tracking branch 'upstream/master' into expr/__neg__
  Zeroto521
  committed
  cb349ce
- Update changelog with negation speed improvements
  Zeroto521
  committed
  5896012
- Remove @disjoint_base decorator from UnaryExpr
  Zeroto521
  committed
  6387cfa
- Merge branch 'master' into expr/__neg__
  Zeroto521
  authored
  eac8db9
- Optimize coefs access in SumExpr evaluation
  Zeroto521
  committed
  fecba06
- Fix negation logic in SumExpr class
  Zeroto521
  committed
  02e32b5
- Add negation support to Constant expressions
  Zeroto521
  committed
  bd280f6
- Add test for negation of Constant expression
  Zeroto521
  committed
  2e97cc7
- Expand test_neg to cover negation of power expressions
  Zeroto521
  committed
  67ce45d
- Update CHANGELOG for negation speedup details
  Zeroto521
  committed
  40945ad
Commits on Jan 30, 2026
- Refactor SumExpr to use Python lists for coefficients
  Zeroto521
  committed
  ef034c4
- Remove `GenExpr.copy`
  Zeroto521
  committed
  86678e2
- Add @disjoint_base decorator to UnaryExpr class
  Zeroto521
  committed
  394c682
- Merge branch 'master' into expr/__neg__
  Zeroto521
  authored
  d348d48
Commits on Mar 12, 2026
- Merge remote-tracking branch 'upstream/master' into expr/__neg__
  Zeroto521
  committed
  b881b12
- Apply suggestions from code review
  
  Zeroto521
  and
  Joao-Dionisio
  authored
  39c036c
- Merge remote-tracking branch 'upstream/master' into expr/__neg__
  Zeroto521
  committed
  3d2bff0
- Simplify Expr.__neg__ implementation
  Zeroto521
  committed
  1c6598f
- Merge branch 'expr/__neg__' of https://github.com/Zeroto521/PySCIPOpt into expr/__neg__
  Zeroto521
  committed
  2b0cc32
- Merge remote-tracking branch 'upstream/master' into expr/__neg__
  Zeroto521
  committed
  70ef34e
- Remove unused PyDict_SetItem cimport
  Zeroto521
  committed
  05dd131
- Import PyDict_GetItem in expr.pxi
  Zeroto521
  committed
  af2f83a
Commits on Apr 6, 2026
- Consolidate operator overloads into ExprLike
  Zeroto521
  committed
  6874ae4
- Consolidate ExprLike operator methods
  Zeroto521
  committed
  d8f2cce
- Move __rtruediv__ to ExprLike base class
  Zeroto521
  committed
  d140fb7
- Update changelog: move magic methods to ExprLike
  Zeroto521
  committed
  6998944
- Update CHANGELOG.md
  Zeroto521
  committed
  9d2d251
Commits on Apr 7, 2026
- Mark reflected dunder methods positional-only
  Zeroto521
  committed
  043b032
- Consolidate arithmetic dunders into ExprLike
  Zeroto521
  committed
  11d1801
- Update CHANGELOG.md
  
  Zeroto521
  and
  Copilot
  authored
  b814b40
- Merge branch 'ExprLike' of github.com:Zeroto521/PySCIPOpt into ExprLike
  Zeroto521
  committed
  27ff00f
- style: format scip.pyi with ruff
  Zeroto521
  committed
  c7f6715
Commits on Apr 24, 2026
- Merge branch 'scipopt:master' into ExprLike
  Zeroto521
  authored
  483528a
Commits on May 20, 2026
- Merge branch 'master' into ExprLike
  Zeroto521
  committed
  d88206c
- Refine operator type hints in scip.pyi
  Zeroto521
  committed
  7dbf944
- Update CHANGELOG.md
  Zeroto521
  committed
  8e8bf59
- Merge branch 'master' into ExprLike
  Joao-Dionisio
  authored
  64e6947
Commits on May 23, 2026
- Make ExprLike.__neg__ positional-only
  Zeroto521
  committed
  6ca96c9
- Refine ExprLike operator return types
  Zeroto521
  committed
  823b94c
- Merge branch 'ExprLike' of github.com:Zeroto521/PySCIPOpt into ExprLike
  Zeroto521
  committed
  f21d708
- Annotate __rtruediv__ return type as GenExpr
  Zeroto521
  committed
  ec64ba2
- Annotate __neg__ return type
  Zeroto521
  committed
  9fdca93
- Unify __rtruediv__ typing in stubs
  Zeroto521
  committed
  61cea57
- Merge branch 'master' into ExprLike
  Zeroto521
  authored
  dcd64b9
- Mark __neg__ as positional-only in scip.pyi
  Zeroto521
  committed
  aa6ae86
- Merge branch 'ExprLike' into expr/__neg__
  Zeroto521
  committed
  3e3fa95
- Use copy() in ProdExpr.__neg__
  Zeroto521
  committed
  0c800e1

Commits

Commits on Jan 26, 2026

Commits on Jan 29, 2026

Commits on Jan 30, 2026

Commits on Mar 12, 2026

Commits on Apr 6, 2026

Commits on Apr 7, 2026

Commits on Apr 24, 2026

Commits on May 20, 2026

Commits on May 23, 2026