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more scaffolding

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This commit is contained in:
Nikolaj Bjorner 2021-03-21 11:31:14 -07:00
parent a1f484fa35
commit 2fef6dc502
16 changed files with 476 additions and 152 deletions
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16
src/math/dd/dd_pdd.h
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@ -43,7 +43,7 @@ namespace dd {
class pdd_manager {
public:
enum semantics { free_e, mod2_e, zero_one_vars_e };
enum semantics { free_e, mod2_e, zero_one_vars_e, mod2N_e };
private:
friend test;
friend pdd;
@ -140,7 +140,7 @@ namespace dd {
typedef ptr_hashtable<op_entry, hash_entry, eq_entry> op_table;
svector<node> m_nodes;
svector<node> m_nodes;
vector<rational> m_values;
op_table m_op_cache;
node_table m_node_table;
@ -163,6 +163,8 @@ namespace dd {
unsigned_vector m_free_vars;
unsigned_vector m_free_values;
rational m_freeze_value;
rational m_mod2N;
unsigned m_power_of_2 { 0 };
void reset_op_cache();
void init_nodes(unsigned_vector const& l2v);
@ -204,6 +206,7 @@ namespace dd {
inline bool is_one(PDD p) const { return p == one_pdd; }
inline bool is_val(PDD p) const { return m_nodes[p].is_val(); }
inline bool is_internal(PDD p) const { return m_nodes[p].is_internal(); }
bool is_non_zero(PDD p);
inline unsigned level(PDD p) const { return m_nodes[p].m_level; }
inline unsigned var(PDD p) const { return m_level2var[level(p)]; }
inline PDD lo(PDD p) const { return m_nodes[p].m_lo; }
@ -252,7 +255,7 @@ namespace dd {
struct mem_out {};
pdd_manager(unsigned nodes, semantics s = free_e);
pdd_manager(unsigned nodes, semantics s = free_e, unsigned power_of_2 = 0);
~pdd_manager();
semantics get_semantics() const { return m_semantics; }
@ -278,6 +281,7 @@ namespace dd {
pdd mk_not(pdd const& p);
pdd reduce(pdd const& a, pdd const& b);
pdd subst_val(pdd const& a, vector<std::pair<unsigned, rational>> const& s);
pdd subst_val(pdd const& a, unsigned v, rational const& val);
bool is_linear(PDD p) { return degree(p) == 1; }
bool is_linear(pdd const& p);
@ -300,6 +304,8 @@ namespace dd {
double tree_size(pdd const& p);
unsigned num_vars() const { return m_var2pdd.size(); }
unsigned power_of_2() const { return m_power_of_2; }
unsigned_vector const& free_vars(pdd const& p);
std::ostream& display(std::ostream& out);
@ -334,6 +340,7 @@ namespace dd {
bool is_unary() const { return !is_val() && lo().is_zero() && hi().is_val(); }
bool is_binary() const { return m.is_binary(root); }
bool is_monomial() const { return m.is_monomial(root); }
bool is_non_zero() const { return m.is_non_zero(root); }
bool var_is_leaf(unsigned v) const { return m.var_is_leaf(root, v); }
pdd operator-() const { return m.minus(*this); }
@ -353,11 +360,14 @@ namespace dd {
bool different_leading_term(pdd const& other) const { return m.different_leading_term(*this, other); }
pdd subst_val(vector<std::pair<unsigned, rational>> const& s) const { return m.subst_val(*this, s); }
pdd subst_val(unsigned v, rational const& val) const { return m.subst_val(*this, v, val); }
std::ostream& display(std::ostream& out) const { return m.display(out, *this); }
bool operator==(pdd const& other) const { return root == other.root; }
bool operator!=(pdd const& other) const { return root != other.root; }
unsigned power_of_2() const { return m.power_of_2(); }
unsigned dag_size() const { return m.dag_size(*this); }
double tree_size() const { return m.tree_size(*this); }
unsigned degree() const { return m.degree(*this); }