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test sup

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2021-06-30 21:12:00 -07:00
parent 6eae7d71db
commit 7d5a1acb61
4 changed files with 45 additions and 12 deletions
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35
src/test/bdd.cpp
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@ -438,6 +438,40 @@ public:
SASSERT(c1.cofactor(!v1) == m.mk_false());
}
static void inc(bool_vector& x) {
for (auto& b : x) {
b = !b;
if (b)
break;
}
}
static unsigned value(bool_vector const& x) {
unsigned p = 1;
unsigned v = 0;
for (auto b : x) {
v += p*b;
p <<= 1;
}
return v;
}
static void test_sup() {
std::cout << "test_sup\n";
bdd_manager m(20);
fdd const x_dom(m, 10);
bddv const& x = x_dom.var();
bdd c = (1 <= x && x <= 5) || (11 <= x && x <= 13) || (29 <= x && x <= 33);
bool_vector lo(10, false);
for (unsigned i = 0; i < 30; ++i) {
bool found = x_dom.sup(c, lo);
std::cout << found << ": " << value(lo) << "\n";
if (found)
std::cout << x_dom.sup(c, lo) << ": " << value(lo) << "\n";
inc(lo);
}
}
};
}
@ -460,4 +494,5 @@ void tst_bdd() {
dd::test_bdd::test_fdd_twovars();
dd::test_bdd::test_fdd_find_hint();
dd::test_bdd::test_cofactor();
dd::test_bdd::test_sup();
}