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Avoid fixing zero-cost singleton columns to infinite bounds in `HPresolve::dualFixing` - #3046

Merged

jajhall merged 7 commits into

ERGO-Code:fix-3046from

fwesselm:zeroCostCol

Jun 14, 2026

Merged

Avoid fixing zero-cost singleton columns to infinite bounds in `HPresolve::dualFixing`#3046
jajhall merged 7 commits into
ERGO-Code:fix-3046from
fwesselm:zeroCostCol

Commits on Jun 2, 2026
- Handle zero-cost singletons
  fwesselm
  committed
  5cb9754
- Another copy-and-paste issue, argggh
  fwesselm
  committed
  781638a
- Simplify
  fwesselm
  committed
  4c74399
- Try to revert changes to comments
  fwesselm
  committed
  790bd5e
- Chaser
  fwesselm
  committed
  a3f9e80
- Add missing return
  fwesselm
  committed
  7662aad
Commits on Jun 3, 2026
- Fix comment
  fwesselm
  committed
  2de9763