mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-08-31 23:34:55 +00:00
Code Activity

update to use incremental substitution

Browse source 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2022-01-23 03:00:25 +01:00
parent 6f689c3c1f
commit cbbf1381f7
19 changed files with 167 additions and 89 deletions
Download patch file Download diff file Expand all files Collapse all files

9
src/math/polysat/search_state.h
View file

@ -20,6 +20,8 @@ namespace polysat {
typedef std::pair<pvar, rational> assignment_item_t;
typedef vector<assignment_item_t> assignment_t;
class solver;
enum class search_item_k
{
assignment,
@ -49,18 +51,23 @@ namespace polysat {
};
class search_state {
solver& s;
vector<search_item> m_items;
assignment_t m_assignment; // First-order part of the search state
mutable scoped_ptr_vector<pdd> m_subst;
vector<pdd> m_subst_trail;
bool value(pvar v, rational& r) const;
public:
search_state(solver& s): s(s) {}
unsigned size() const { return m_items.size(); }
search_item const& back() const { return m_items.back(); }
search_item const& operator[](unsigned i) const { return m_items[i]; }
assignment_t const& assignment() const { return m_assignment; }
pdd& assignment(unsigned sz) const;
void push_assignment(pvar p, rational const& r);
void push_boolean(sat::literal lit);