make modifyCoefficient a bit safer

coin-or · Jun 26, 2024 · 114754d · 114754d
1 parent a913953
commit 114754d
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/ClpModel.hpp b/src/ClpModel.hpp
@@ -247,6 +247,8 @@ class CLPLIB_EXPORT ClpModel {
     bool keepZero = false)
   {
     matrix_->modifyCoefficient(row, column, newElement, keepZero);
+    // Say matrix changed
+    whatsChanged_ &= ~15;
   }
   /** Change row lower bounds */
   void chgRowLower(const double *rowLower);