ref: 3aa3afe74fb56d733b92c59ef2b7f7ca65983715
parent: a7750b90cc0b03623115de572a4726b7939f7fc9
author: Jean-Marc Valin <jean-marc.valin@usherbrooke.ca>
date: Fri Sep 11 16:28:29 EDT 2009
Only calling intra_fold() when there's no pulse allocated