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make visited_helper independent of literals

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re-introduce shorthands in sat::solver for visited and have them convert literals to unsigned.
This commit is contained in:
Nikolaj Bjorner 2022-11-03 03:54:39 -07:00
parent 070c5c624a
commit 90490cb22f
7 changed files with 53 additions and 39 deletions
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6
src/sat/sat_solver.h
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@ -343,7 +343,11 @@ namespace sat {
void push_reinit_stack(clause & c);
void push_reinit_stack(literal l1, literal l2);
void init_visited(unsigned lim = 1) { m_visited.init_visited(num_vars(), lim); }
void init_visited(unsigned lim = 1) { m_visited.init_visited(2 * num_vars(), lim); }
bool is_visited(sat::bool_var v) const { return is_visited(literal(v, false)); }
bool is_visited(literal lit) const { return m_visited.is_visited(lit.index()); }
void mark_visited(literal lit) { m_visited.mark_visited(lit.index()); }
void mark_visited(bool_var v) { mark_visited(literal(v, false)); }
bool all_distinct(literal_vector const& lits);
bool all_distinct(clause const& cl);