return 1;
if (this_size < that_size)
return -1;
- typedef std::set<unsigned>::iterator set_it;
+ typedef std::set<unsigned>::const_iterator set_it;
set_it end = indices.end();
for (set_it i=indices.begin(),j=othersymm.indices.begin(); i!=end; ++i,++j) {
if(*i < *j)