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wip - integrating arithmetic local search

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This commit is contained in:
Nikolaj Bjorner 2023-02-09 15:52:32 -08:00
parent 1b0c76e3f0
commit d22e4aa525
7 changed files with 280 additions and 169 deletions
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15
src/sat/sat_ddfw.h
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@ -32,7 +32,7 @@ namespace sat {
class parallel;
class ddfw : public i_local_search {
public:
struct clause_info {
clause_info(clause* cl, double init_weight): m_weight(init_weight), m_clause(cl) {}
double m_weight; // weight of clause
@ -43,6 +43,7 @@ namespace sat {
void add(literal lit) { ++m_num_trues; m_trues += lit.index(); }
void del(literal lit) { SASSERT(m_num_trues > 0); --m_num_trues; m_trues -= lit.index(); }
};
protected:
struct config {
config() { reset(); }
@ -197,6 +198,8 @@ namespace sat {
void add(unsigned sz, literal const* c);
void del();
void add_assumptions();
inline void transfer_weight(unsigned from, unsigned to, double w);
@ -232,6 +235,16 @@ namespace sat {
void collect_statistics(statistics& st) const override {}
double get_priority(bool_var v) const override { return m_probs[v]; }
// access clause information and state of Boolean search
indexed_uint_set& unsat_set() { return m_unsat; }
unsigned num_clauses() const { return m_clauses.size(); }
clause_info& get_clause_info(unsigned idx) { return m_clauses[idx]; }
void remove_assumptions();
};
}