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testing doc

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2014-09-20 19:01:15 -07:00
parent 2552c1530b
commit a50cbef877
10 changed files with 291 additions and 95 deletions
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115
src/test/udoc_relation.cpp
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@ -88,8 +88,10 @@ public:
udoc_relation* t1, *t2, *t3;
expr_ref fml(m);
test_rename();
test_filter_neg();
// empty
{
std::cout << "empty\n";
@ -168,26 +170,6 @@ public:
t1->deallocate();
}
// rename
{
t1 = mk_empty(sig);
unsigned_vector cycle;
cycle.push_back(0);
cycle.push_back(2);
datalog::relation_transformer_fn* rename = p.mk_rename_fn(*t1, cycle.size(), cycle.c_ptr());
t1->add_fact(fact1);
t1->add_fact(fact2);
t1->add_fact(fact3);
t = (*rename)(*t1);
t1->display(std::cout); std::cout << "\n";
t->display(std::cout); std::cout << "\n";
t->deallocate();
dealloc(rename);
t1->deallocate();
}
// union
{
t1 = mk_empty(sig);
@ -342,6 +324,98 @@ public:
}
void test_rename() {
udoc_relation* t1;
// rename
datalog::relation_signature sig;
sig.push_back(bv.mk_sort(12));
sig.push_back(bv.mk_sort(6));
sig.push_back(bv.mk_sort(2));
datalog::relation_fact fact1(m);
fact1.push_back(bv.mk_numeral(rational(1), 12));
fact1.push_back(bv.mk_numeral(rational(6), 6));
fact1.push_back(bv.mk_numeral(rational(3), 2));
t1 = mk_empty(sig);
t1->add_fact(fact1);
unsigned_vector cycle;
cycle.push_back(0);
cycle.push_back(2);
check_permutation(t1, cycle);
sig.reset();
sig.push_back(bv.mk_sort(2));
sig.push_back(bv.mk_sort(6));
sig.push_back(bv.mk_sort(12));
fact1.reset();
fact1.push_back(bv.mk_numeral(rational(3), 2));
fact1.push_back(bv.mk_numeral(rational(6), 6));
fact1.push_back(bv.mk_numeral(rational(1), 12));
t1 = mk_empty(sig);
t1->add_fact(fact1);
cycle.reset();
cycle.push_back(0);
cycle.push_back(2);
check_permutation(t1, cycle);
t1 = mk_empty(sig);
t1->add_fact(fact1);
cycle.reset();
cycle.push_back(0);
cycle.push_back(1);
cycle.push_back(2);
check_permutation(t1, cycle);
}
void check_permutation(relation_base* t1, unsigned_vector const& cycle) {
scoped_ptr<datalog::relation_transformer_fn> rename;
rename = p.mk_rename_fn(*t1, cycle.size(), cycle.c_ptr());
relation_base* t = (*rename)(*t1);
verify_permutation(*t1,*t, cycle);
t1->display(std::cout); std::cout << "\n";
t->display(std::cout); std::cout << "\n";
t->deallocate();
t1->deallocate();
}
void verify_permutation(relation_base const& src, relation_base const& dst,
unsigned_vector const& cycle) {
unsigned_vector perm;
relation_signature const& sig1 = src.get_signature();
relation_signature const& sig2 = dst.get_signature();
for (unsigned i = 0; i < sig1.size(); ++i) {
perm.push_back(i);
}
for (unsigned i = 0; i < cycle.size(); ++i) {
unsigned j = (i + 1)%cycle.size();
unsigned col1 = cycle[i];
unsigned col2 = cycle[j];
perm[col2] = col1;
}
for (unsigned i = 0; i < perm.size(); ++i) {
SASSERT(sig2[perm[i]] == sig1[i]);
}
expr_ref_vector sub(m);
for (unsigned i = 0; i < perm.size(); ++i) {
sub.push_back(m.mk_var(perm[i], sig1[i]));
}
var_subst subst(m, false);
expr_ref fml1(m), fml2(m);
src.to_formula(fml1);
dst.to_formula(fml2);
subst(fml1, sub.size(), sub.c_ptr(), fml1);
expr_ref_vector vars(m);
for (unsigned i = 0; i < sig2.size(); ++i) {
std::stringstream strm;
strm << "x" << i;
vars.push_back(m.mk_const(symbol(strm.str().c_str()), sig2[i]));
}
subst(fml1, vars.size(), vars.c_ptr(), fml1);
subst(fml2, vars.size(), vars.c_ptr(), fml2);
check_equiv(fml1, fml2);
}
/*
The filter_by_negation postcondition:
filter_by_negation(tgt, neg, columns in tgt: c1,...,cN,
@ -499,7 +573,6 @@ public:
}
}
check_equiv(fml, cfml);
}