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skip IDIC if the generation problem returns infeasible solution - follow up #139

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skip IDIC if the generation problem returns infeasible solution - follow up #139

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3 changes: 2 additions & 1 deletion src/MibSCutGenerator.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1273,6 +1273,7 @@ MibSCutGenerator::findLowerLevelSolImprovingDirectionIC(double *uselessIneqs, do
int whichCutsLL(localModel_->MibSPar_->entry
(MibSParams::whichCutsLL));
double timeLimit(localModel_->AlpsPar()->entry(AlpsParams::timeLimit));
double etol(localModel_->etol_);
double remainingTime(0.0);
bool foundSolution = false;

Expand Down Expand Up @@ -1527,7 +1528,7 @@ MibSCutGenerator::findLowerLevelSolImprovingDirectionIC(double *uselessIneqs, do
CoinDisjointCopyN(optSol, lCols, lowerLevelSol);
// YX: numerical issue; skip if the lowerLevelSol found is all zero
for(i = 0; i < lCols; i++){
if(fabs(lowerLevelSol[i]) > 0){
if(fabs(lowerLevelSol[i]) > etol){
solErr = false;
break;
}
Expand Down