379       typename Halfedge_list::iterator itl;  in pair_up_halfedges()  local
380       CGAL_forall_iterators(itl,it->second) {  in pair_up_halfedges()
381         Halfedge_handle e1 = *itl;  in pair_up_halfedges()
382         ++itl;  in pair_up_halfedges()
383         CGAL_assertion(itl != it->second.end());  in pair_up_halfedges()
384         Halfedge_handle e2 = *itl;  in pair_up_halfedges()
386           ++itl;  in pair_up_halfedges()
387           make_twins(e1,*itl);  in pair_up_halfedges()
389           ++itl;  in pair_up_halfedges()
390           e2 = *itl;  in pair_up_halfedges()
406       typename Halfedge_list::iterator itl;  in pair_up_halfedges()  local
407       CGAL_forall_iterators(itl,it->second) {  in pair_up_halfedges()
408         Halfedge_handle e1 = *itl;  in pair_up_halfedges()
409         ++itl;  in pair_up_halfedges()
410         CGAL_assertion(itl != it->second.end());  in pair_up_halfedges()
411         Halfedge_handle e2 = *itl;  in pair_up_halfedges()
413           ++itl;  in pair_up_halfedges()
414           make_twins(e1,*itl);  in pair_up_halfedges()
416           ++itl;  in pair_up_halfedges()
417           e2 = *itl;  in pair_up_halfedges()
433       typename Halfedge_list::iterator itl;  in pair_up_halfedges()  local
434       CGAL_forall_iterators(itl,it->second) {  in pair_up_halfedges()
435         Halfedge_handle e1 = *itl;  in pair_up_halfedges()
436         ++itl;  in pair_up_halfedges()
437         CGAL_assertion(itl != it->second.end());  in pair_up_halfedges()
438         Halfedge_handle e2 = *itl;  in pair_up_halfedges()
440           ++itl;  in pair_up_halfedges()
441           this->make_twins(e1,*itl);  in pair_up_halfedges()
443           ++itl;  in pair_up_halfedges()
444           e2 = *itl;  in pair_up_halfedges()
460       typename Halfedge_list::iterator itl;  in pair_up_halfedges()  local
461       CGAL_forall_iterators(itl,it->second) {  in pair_up_halfedges()
462         Halfedge_handle e1 = *itl;  in pair_up_halfedges()
463         ++itl;  in pair_up_halfedges()
464         CGAL_assertion(itl != it->second.end());  in pair_up_halfedges()
465         Halfedge_handle e2 = *itl;  in pair_up_halfedges()
467           ++itl;  in pair_up_halfedges()
468           this->make_twins(e1,*itl);  in pair_up_halfedges()
470           ++itl;  in pair_up_halfedges()
471           e2 = *itl;  in pair_up_halfedges()
547       typename Halfedge_list::iterator itl;
548       CGAL_forall_iterators(itl,it->second) {
549         Halfedge_handle e1 = itl->e;
550         ++itl;
551         CGAL_assertion(itl != it->second.end());
552         Halfedge_handle e2 = itl->e;
567       typename Halfedge_list::iterator itl;
568       CGAL_forall_iterators(itl,it->second) {
569         Halfedge_handle e1 = itl->e;
570         ++itl;
571         CGAL_assertion(itl != it->second.end());
572         Halfedge_handle e2 = itl->e;
587       typename Halfedge_list::iterator itl;
588       CGAL_forall_iterators(itl,it->second) {
589         Halfedge_handle e1 = itl->e;
590         ++itl;
591         CGAL_assertion(itl != it->second.end());
592         Halfedge_handle e2 = itl->e;
607       typename Halfedge_list::iterator itl;
608       CGAL_forall_iterators(itl,it->second) {
609         Halfedge_handle e1 = itl->e;
610         ++itl;
611         CGAL_assertion(itl != it->second.end());
612         Halfedge_handle e2 = itl->e;
1139       typename Halfedge_list::iterator itl;  in pair_up_halfedges()  local
1140       CGAL_forall_iterators(itl,it->second) {  in pair_up_halfedges()
1141         Halfedge_handle e1 = *itl;  in pair_up_halfedges()
1143         ++itl;  in pair_up_halfedges()
1144         CGAL_assertion(itl != it->second.end());  in pair_up_halfedges()
1145         Halfedge_handle e2 = *itl;  in pair_up_halfedges()