Correct sign in cutoff in Cbc

coin-or · Jul 12, 2021 · 7270bcd · 7270bcd
1 parent 2757238
commit 7270bcd
Showing 1 changed file with 6 additions and 6 deletions.
diff --git a/src/MIPSolver/MIPSolverCbc.cpp b/src/MIPSolver/MIPSolverCbc.cpp
@@ -1173,13 +1173,13 @@ void MIPSolverCbc::setCutOff(double cutOff)
     {
         this->cutOff = cutOff + cutOffTol;
 
-        env->output->outputInfo(fmt::format("        Setting cutoff value to {} for minimization.", this->cutOff));
+        env->output->outputDebug(fmt::format("        Setting cutoff value to {} for minimization.", this->cutOff));
     }
     else
     {
         this->cutOff = -1 * (cutOff + cutOffTol);
 
-        env->output->outputInfo(fmt::format("        Setting cutoff value to {} for maximization.", this->cutOff));
+        env->output->outputDebug(fmt::format("        Setting cutoff value to {} for maximization.", this->cutOff));
     }
 }
 
@@ -1195,15 +1195,15 @@ void MIPSolverCbc::setCutOffAsConstraint([[maybe_unused]] double cutOff)
             if(isMinimizationProblem)
             {
                 osiInterface->addRow(objectiveLinearExpression, -osiInterface->getInfinity(),
-                    (cutOff + this->objectiveConstant), "CUTOFF_C");
+                    (cutOff - this->objectiveConstant), "CUTOFF_C");
 
                 env->output->outputDebug(
                     "        Setting cutoff constraint to " + Utilities::toString(cutOff) + " for minimization.");
             }
             else
             {
                 osiInterface->addRow(objectiveLinearExpression, -osiInterface->getInfinity(),
-                    -1.0 * (cutOff + this->objectiveConstant), "CUTOFF_C");
+                    -1.0 * (cutOff - this->objectiveConstant), "CUTOFF_C");
 
                 env->output->outputDebug(
                     "        Setting cutoff constraint value to " + Utilities::toString(cutOff) + " for maximization.");
@@ -1220,14 +1220,14 @@ void MIPSolverCbc::setCutOffAsConstraint([[maybe_unused]] double cutOff)
         {
             if(isMinimizationProblem)
             {
-                osiInterface->setRowUpper(cutOffConstraintIndex, cutOff + this->objectiveConstant);
+                osiInterface->setRowUpper(cutOffConstraintIndex, cutOff - this->objectiveConstant);
 
                 env->output->outputDebug(
                     "        Setting cutoff constraint value to " + Utilities::toString(cutOff) + " for minimization.");
             }
             else
             {
-                osiInterface->setRowUpper(cutOffConstraintIndex, -(cutOff + this->objectiveConstant));
+                osiInterface->setRowUpper(cutOffConstraintIndex, -(cutOff - this->objectiveConstant));
 
                 env->output->outputDebug(
                     "        Setting cutoff constraint value to " + Utilities::toString(cutOff) + " for maximization.");