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port equality propagation changes to new core

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This commit is contained in:
Nikolaj Bjorner 2021-03-28 16:15:04 -07:00
parent 0432311b11
commit 974ef3c147
5 changed files with 57 additions and 9 deletions
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7
src/sat/smt/arith_solver.h
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@ -310,7 +310,7 @@ namespace arith {
void assert_idiv_mod_axioms(theory_var u, theory_var v, theory_var w, rational const& r);
api_bound* mk_var_bound(sat::literal lit, theory_var v, lp_api::bound_kind bk, rational const& bound);
lp::lconstraint_kind bound2constraint_kind(bool is_int, lp_api::bound_kind bk, bool is_true);
void fixed_var_eh(theory_var v1, rational const& bound) {}
void fixed_var_eh(theory_var v1, lp::constraint_index ci1, lp::constraint_index ci2, rational const& bound);
bool set_upper_bound(lp::tv t, lp::constraint_index ci, rational const& v) { return set_bound(t, ci, v, false); }
bool set_lower_bound(lp::tv t, lp::constraint_index ci, rational const& v) { return set_bound(t, ci, v, true); }
bool set_bound(lp::tv tv, lp::constraint_index ci, rational const& v, bool is_lower);
@ -324,6 +324,11 @@ namespace arith {
return is_registered_var(v) && m_model_is_initialized;
}
vector<rational> m_fixed_values;
map<rational, theory_var, rational::hash_proc, rational::eq_proc> m_value2var;
struct undo_value;
void register_fixed_var(theory_var v, rational const& value);
// solving
void report_equality_of_fixed_vars(unsigned vi1, unsigned vi2);
void reserve_bounds(theory_var v);