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enable reduce_by, more tests

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This commit is contained in:
Nikolaj Bjorner 2021-09-19 13:41:39 -04:00
parent 58c66ffee8
commit c69c316b27
7 changed files with 142 additions and 36 deletions
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25
src/math/polysat/search_state.cpp
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@ -16,19 +16,29 @@ Author:
namespace polysat {
std::ostream& search_item::display(std::ostream& out) const {
switch (kind()) {
std::ostream& search_state::display(search_item const& item, std::ostream& out) const {
switch (item.kind()) {
case search_item_k::assignment:
return out << "v" << var() << "=?";
return out << "v" << item.var() << " := " << value(item.var());
case search_item_k::boolean:
return out << lit();
return out << item.lit();
}
UNREACHABLE();
return out;
}
std::ostream& search_state::display(std::ostream& out) const {
return out << m_items;
for (auto const& item : m_items)
display(item, out) << " ";
return out;
}
rational search_state::value(pvar v) const {
for (auto const& [p, r] : m_assignment)
if (v == p)
return r;
UNREACHABLE();
return rational::zero();
}
void search_state::push_assignment(pvar p, rational const& r) {
@ -42,9 +52,8 @@ namespace polysat {
void search_state::pop() {
auto const& item = m_items.back();
if (item.is_assignment()) {
m_assignment.pop_back();
}
if (item.is_assignment())
m_assignment.pop_back();
m_items.pop_back();
}