if (strcmp(A_surfxml_router_coordinates,"")) {
if(!COORD_ASR_LEVEL) xbt_die("To use coordinates, you must set configuration 'coordinates' to 'yes'");
xbt_dynar_t ctn = xbt_str_split_str(A_surfxml_router_coordinates, " ");
xbt_dynar_shrink(ctn, 0);
if (strcmp(A_surfxml_router_coordinates,"")) {
if(!COORD_ASR_LEVEL) xbt_die("To use coordinates, you must set configuration 'coordinates' to 'yes'");
xbt_dynar_t ctn = xbt_str_split_str(A_surfxml_router_coordinates, " ");
xbt_dynar_shrink(ctn, 0);