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making simplifier code exception friendlier. Towards getting a handle on #939

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-03-22 19:06:59 -07:00
parent e47e8c67c0
commit 26ae3a5abb
2 changed files with 21 additions and 7 deletions
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11
src/sat/sat_simplifier.h
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@ -91,6 +91,9 @@ namespace sat {
unsigned m_num_sub_res;
unsigned m_num_elim_lits;
bool m_learned_in_use_lists;
unsigned m_old_num_elim_vars;
struct size_lt {
bool operator()(clause const * c1, clause const * c2) const { return c1->size() > c2->size(); }
};
@ -170,6 +173,14 @@ namespace sat {
struct subsumption_report;
struct elim_var_report;
class scoped_finalize {
simplifier& s;
public:
scoped_finalize(simplifier& s) : s(s) {}
~scoped_finalize() { s.scoped_finalize_fn(); }
};
void scoped_finalize_fn();
public:
simplifier(solver & s, params_ref const & p);
~simplifier();