} else {
if (fread(transitions, 4, num_transitions, f) != num_transitions ||
fread(type_idxs, 1, num_transitions, f) != num_transitions)
} else {
if (fread(transitions, 4, num_transitions, f) != num_transitions ||
fread(type_idxs, 1, num_transitions, f) != num_transitions)