overflow handlings and garbage collection
Several ipdates to CLPBN
dif/2 could be broken in the presence of attributed variables.
git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@1474 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
UPDATE: compilation flags -DTABLING_BATCHED_SCHEDULING and -DTABLING_LOCAL_SCHEDULING removed. To support tabling use -DTABLING in the Makefile or --enable-tabling in configure.
NEW: yap_flag(tabling_mode,MODE) changes the tabling execution mode of all tabled predicates to MODE (batched, local or default).
NEW: tabling_mode(PRED,MODE) changes the default tabling execution mode of predicate PRED to MODE (batched or local).
git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@1268 b08c6af1-5177-4d33-ba66-4b1c6b8b522a