- paths[ i ].myPoints.swap( paths[ j ].myPoints );
- paths[ i ].myFace = paths[ j ].myFace;
- paths[ i ].myNodeInd1 = paths[ j ].myNodeInd1;
- paths[ i ].myNodeInd2 = paths[ j ].myNodeInd2;
- paths[ i ].myNode1 = paths[ j ].myNode1;
- paths[ i ].myNode2 = paths[ j ].myNode2;
- paths[ i ].myLength = paths[ j ].myLength;
+ size_t j = paths.size() - 1; // last item to be removed
+ if ( i < j )
+ {
+ paths[ i ].myPoints.swap( paths[ j ].myPoints );
+ paths[ i ].myFace = paths[ j ].myFace;
+ paths[ i ].myNodeInd1 = paths[ j ].myNodeInd1;
+ paths[ i ].myNodeInd2 = paths[ j ].myNodeInd2;
+ paths[ i ].myNode1 = paths[ j ].myNode1;
+ paths[ i ].myNode2 = paths[ j ].myNode2;
+ paths[ i ].myLength = paths[ j ].myLength;
+ }