another report for [rand~], by the way, maybe you should get involved here and mark them as fixed
http://sourceforge.net/p/pure-data/bugs/1177/
2015-06-09 10:12 GMT-03:00 Alexandre Torres Porres porres@gmail.com:
About the sample-offset, I have some problem understanding how it works,
and have to change it anyhow to fix the issue (garray_getarraywords related on 64-bit systems).
seems there was a bug report about this :) http://sourceforge.net/p/pure-data/bugs/1180/