categoricals: Avoid setting value_node indexes multiple times.
authorBen Pfaff <blp@cs.stanford.edu>
Sun, 23 Dec 2018 18:42:04 +0000 (10:42 -0800)
committerBen Pfaff <blp@cs.stanford.edu>
Sun, 23 Dec 2018 18:54:06 +0000 (10:54 -0800)
commitf23013d812e3d9dab3e6e2f0b4f89b2603532732
tree7a5982b4a6fb137e42598067e37e2692a7265dba
parentcd478adaaf7d0f29d4426d23b815c3aa3559f38a
categoricals: Avoid setting value_node indexes multiple times.

A given variable_node can be in more than one interaction, but it's only
necessary to set the variable_node's value_node indexes once each.
src/math/categoricals.c