- thresholdTable->SetNumberOfTableValues(std::max( GetGreyLevelBoundaries( GetBaseColorNb() ), ceil(_range[1]) ) - std::min( GetGreyLevelBoundaries(0), floor(_range[0]) ) + 1);
- thresholdTable->SetTableRange(_range);
+ double thresholdTable_range[2];
+ thresholdTable_range[1]= std::max( GetGreyLevelBoundaries( GetBaseColorNb() ), ceil(_range[1]) );
+ thresholdTable_range[0]= std::min( GetGreyLevelBoundaries(0), floor(_range[0]) );
+ thresholdTable->SetNumberOfTableValues(thresholdTable_range[1] - thresholdTable_range[0] + 1);
+ thresholdTable->SetTableRange(thresholdTable_range);