int
CbcParam::setDoubleParameter (CbcModel &model, double value) const
{
if (value < lowerDoubleValue_ || value > upperDoubleValue_) {
std::cout << value << " was provided for " << name_ <<
" - valid range is " << lowerDoubleValue_ << " to " <<
upperDoubleValue_ << std::endl;
return 1;
} else {
double oldValue;
switch (type_) {
case CBC_PARAM_DBL_INFEASIBILITYWEIGHT:
oldValue = model.getDblParam(CbcModel::CbcInfeasibilityWeight);
model.setDblParam(CbcModel::CbcInfeasibilityWeight, value);
break;
case CBC_PARAM_DBL_INTEGERTOLERANCE:
oldValue = model.getDblParam(CbcModel::CbcIntegerTolerance);
model.setDblParam(CbcModel::CbcIntegerTolerance, value);
break;
case CBC_PARAM_DBL_INCREMENT:
oldValue = model.getDblParam(CbcModel::CbcCutoffIncrement);
model.setDblParam(CbcModel::CbcCutoffIncrement, value);
case CBC_PARAM_DBL_ALLOWABLEGAP:
oldValue = model.getDblParam(CbcModel::CbcAllowableGap);
model.setDblParam(CbcModel::CbcAllowableGap, value);
break;
case CLP_PARAM_DBL_TIMELIMIT: {
oldValue = model.getDblParam(CbcModel::CbcMaximumSeconds) ;
model.setDblParam(CbcModel::CbcMaximumSeconds, value) ;
break ;
}
case CLP_PARAM_DBL_DUALTOLERANCE:
case CLP_PARAM_DBL_PRIMALTOLERANCE:
setDoubleParameter(model.solver(), value);
return 0; // to avoid message
default:
oldValue = 0.0; // to avoid compiler message
abort();
}
std::cout << name_ << " was changed from " << oldValue << " to "
<< value << std::endl;
return 0;
}
}
