comparison data/model/EditableDenseThreeDimensionalModel.cpp @ 937:24964a8b31e7

Avoid crashing when trying to examine data at column < 0 in 3d model

 
 EditableDenseThreeDimensionalModel::Column
 EditableDenseThreeDimensionalModel::getColumn(int index) const
 {
     QReadLocker locker(&m_lock);
-    if (int(index) >= m_data.size()) return Column();
+    if (index < 0 || index >= m_data.size()) return Column();
     return expandAndRetrieve(index);
 }
 
 float
 EditableDenseThreeDimensionalModel::getValueAt(int index, int n) const