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Fix 2866 #3139

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Merged
Opt-Mucca merged 2 commits into from
Jul 10, 2026
Merged

Fix 2866 #3139

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a0a1942
Change loop stopping criteria from != to <
Opt-Mucca Jul 7, 2026
5d64a22
Change != to <
Opt-Mucca Jul 9, 2026
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2 changes: 1 addition & 1 deletion highs/presolve/HPresolve.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -6944,7 +6944,7 @@ void HPresolve::removeFixedCol(HighsInt col, double fixval) {

HPresolve::Result HPresolve::removeRowSingletons(
HighsPostsolveStack& postsolve_stack) {
for (size_t i = 0; i != singletonRows.size(); ++i) {
for (size_t i = 0; i < singletonRows.size(); ++i) {
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HighsInt row = singletonRows[i];
if (rowDeleted[row] || rowsize[row] > 1) continue;
// row presolve will delegate to rowSingleton() if the row size is 1
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