static void
set_copy_match(vset_t dst, vset_t src, int p_len, int* proj, int*match)
{
LACE_ME;
// Create bdd of "match"
// Assumption: proj is ordered (if not, you get bad performance)
sylvan_deref(dst->bdd);
sylvan_gc_disable();
BDD match_bdd = sylvan_true;
for (int i=p_len;i-->0;) {
uint32_t b = match[i];
for (int j=fddbits;j-->0;) {
BDD val = sylvan_ithvar(src->dom->vec_to_bddvar[proj[i]*fddbits+j]);
if (!(b&1)) val = sylvan_not(val);
match_bdd = sylvan_and(val, match_bdd);
b >>= 1;
}
}
sylvan_ref(match_bdd);
sylvan_gc_enable();
dst->bdd = sylvan_ref(sylvan_and(match_bdd, src->bdd));
sylvan_deref(match_bdd);
}
/**
* Enumerate all states that match partial state <match>
* <match> is p_len long
* <proj> is a list of integers, containing indices of each match integer
*/
static void
set_enum_match(vset_t set, int p_len, int* proj, int* match, vset_element_cb cb, void* context)
{
LACE_ME;
// Create bdd of "match"
// Assumption: proj is ordered (if not, you get bad performance)
sylvan_gc_disable();
BDD match_bdd = sylvan_true;
for (int i=p_len;i-->0;) {
uint32_t b = match[i];
for (int j=fddbits;j-->0;) {
BDD val = sylvan_ithvar(set->dom->vec_to_bddvar[proj[i]*fddbits+j]);
if (!(b&1)) val = sylvan_not(val);
match_bdd = sylvan_and(val, match_bdd);
b >>= 1;
}
}
sylvan_ref(match_bdd);
sylvan_gc_enable();
BDD old = match_bdd;
match_bdd = sylvan_ref(sylvan_and(match_bdd, set->bdd));
sylvan_deref(old);
int vec[set->vector_size];
memset(vec, 0, sizeof(int)*set->vector_size);
set_enum_do(match_bdd, set->variables, vec, 0, cb, context);
sylvan_deref(match_bdd);
}
JNIEXPORT jlong JNICALL
Java_jsylvan_JSylvan_makeNot(JNIEnv *env, jclass cl, jlong bdd)
{
return sylvan_not(bdd);
}