diogo/yap-6.3
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control for very large bdds.

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This commit is contained in:
Vítor Santos Costa 2012-03-30 09:50:18 +01:00
parent edfb13c5e9
commit 3563dcbf03
1 changed files with 11 additions and 2 deletions
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11
packages/bdd/cudd.c
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@ -530,14 +530,23 @@ p_cudd_to_term(void)
if (!dgen || !hash)
return FALSE;
t = YAP_TermNil();
ar = (YAP_Term *)malloc(vars*sizeof(YAP_Term));
if (!ar)
return FALSE;
restart:
t = YAP_TermNil();
for (i= 0; i< vars; i++) {
ar[i] = YAP_ArgOfTerm(i+1, t3);
}
while (node) {
/* ensure we have enough memory */
if (YAP_RequiresExtraStack(0)) {
Cudd_GenFree(dgen);
t3 = YAP_ARG3;
dgen = Cudd_FirstNode(manager, n0, &node);
bzero(hash, sizeof(hash_table_entry)*sz);
goto restart;
}
t = build_prolog_cudd(manager, node, ar, hash, t, sz);
if (!Cudd_NextNode(dgen, &node))
break;