categoricals.c: Fix memory access problems on empty interactions.
authorJohn Darrington <john@darrington.wattle.id.au>
Sat, 18 Feb 2012 11:12:46 +0000 (12:12 +0100)
committerJohn Darrington <john@darrington.wattle.id.au>
Sat, 18 Feb 2012 11:12:46 +0000 (12:12 +0100)
Make sure the categoricals behave correctly when passed
an interaction which contains no variables (ie, no catagories).


No differences found