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Merge branch 'opt' of https://git01.codeplex.com/z3 into opt

This commit is contained in:
Nikolaj Bjorner 2014-10-02 09:07:53 -07:00
commit 928fc550a5
4 changed files with 56 additions and 12 deletions

View file

@ -661,7 +661,7 @@ namespace datalog {
expr_ref_vector eqs(m);
dst.to_formula(dstf);
std::cout << mk_pp(dstf, m) << "\n";
dst.to_formula(negf);
neg.to_formula(negf);
std::cout << mk_pp(negf, m) << "\n";
eqs.push_back(negf);
for (unsigned i = 0; i < cols1.size(); ++i) {

View file

@ -174,19 +174,18 @@ public:
for ( ; i < sz; ++i, ++j) {
if (m.contains(*m_elems[i], *t)) {
found = true;
break;
}
if (m.contains(*t, *m_elems[i])) {
else if (m.contains(*t, *m_elems[i])) {
m.deallocate(m_elems[i]);
--j;
continue;
}
else if (i != j) {
if (i != j) {
m_elems[j] = m_elems[i];
}
}
if (j != sz) m_elems.resize(j);
if (found) {
SASSERT(j == i);
m.deallocate(t);
}
else {

View file

@ -1110,11 +1110,16 @@ namespace datalog {
for (unsigned i = 0; i < neg.size(); ++i) {
doc& neg_i = neg[i];
doc_ref newD(dmt, dmt.allocateX());
copy_columns(newD->pos(), neg_i.pos(), t, n);
if (!copy_columns(newD->pos(), neg_i.pos(), t, n))
continue;
bool is_empty = false;
for (unsigned j = 0; !is_empty && j < neg_i.neg().size(); ++j) {
tbv_ref newT(dmt.tbvm(), dmt.tbvm().allocateX());
copy_columns(*newT, neg_i.neg()[j], t, n);
if (!copy_columns(*newT, neg_i.neg()[j], t, n) ||
!dmt.tbvm().set_and(*newT, newD->pos())) {
continue;
}
if (dmt.tbvm().equals(newD->pos(), *newT)) {
is_empty = true;
}
@ -1139,17 +1144,19 @@ namespace datalog {
renamed_neg.reset(dmt);
IF_VERBOSE(3, tb.display(verbose_stream() << "slow case:"););
}
void copy_columns(
bool copy_columns(
tbv& dst, tbv const& src,
udoc_relation const& dstt,
udoc_relation const& srct)
{
unsigned num_cols = m_t_cols.size();
for (unsigned i = 0; i < num_cols; ++i) {
copy_column(dst, src, m_t_cols[i], m_neg_cols[i], dstt, srct);
if (!copy_column(dst, src, m_t_cols[i], m_neg_cols[i], dstt, srct))
return false;
}
return true;
}
void copy_column(
bool copy_column(
tbv& dst, tbv const& src,
unsigned col_dst, unsigned col_src,
udoc_relation const& dstt,
@ -1162,8 +1169,12 @@ namespace datalog {
IF_VERBOSE(3, verbose_stream() << "copy column " << idx_src
<< " to " << idx_dst << " " << num_tbits << "\n";);
for (unsigned i = 0; i < num_tbits; ++i) {
dm.set(dst, idx_dst + i, src[idx_src + i]);
}
tbit bit = (tbit)(dst[idx_dst + i] & src[idx_src + i]);
if (bit == BIT_z)
return false;
dm.set(dst, idx_dst + i, bit);
}
return true;
}
};

View file

@ -149,6 +149,7 @@ public:
test_rename();
test_filter_neg();
test_filter_neg2();
test_filter_neg3();
// empty
@ -601,6 +602,39 @@ public:
t2->deallocate();
}
void test_filter_neg3() {
// filter_by_negation
relation_signature sig;
sig.push_back(bv.mk_sort(1));
sig.push_back(bv.mk_sort(1));
sig.push_back(bv.mk_sort(1));
unsigned_vector cols1, cols2;
cols1.push_back(0);
cols1.push_back(0);
cols2.push_back(0);
cols2.push_back(1);
/// 1xx
udoc_relation* t1 = mk_full(sig);
{
doc& d = t1->get_udoc()[0];
t1->get_dm().set(d, 0, BIT_1);
}
/// 10x
udoc_relation* t2 = mk_full(sig);
{
doc& d = t2->get_udoc()[0];
t1->get_dm().set(d, 0, BIT_1);
t1->get_dm().set(d, 1, BIT_0);
}
apply_filter_neg(*t1, *t2, cols1, cols2);
t1->deallocate();
t2->deallocate();
}
void set_random(udoc_relation& r, unsigned num_vals) {
unsigned num_bits = r.get_dm().num_tbits();
udoc_relation* full = mk_full(r.get_signature());