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reverting signed mon_eq, try to rely on canonization state during add/pop

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-03-19 17:14:59 -07:00 • committed by Lev Nachmanson
parent 6877840342
commit 8a665e25ed
12 changed files with 110 additions and 91 deletions
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4
src/math/lp/emonics.h
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@ -93,7 +93,6 @@ class emonics {
mutable svector<head_tail> m_use_lists; // use list of monics where variables occur.
hash_canonical m_cg_hash;
eq_canonical m_cg_eq;
unsigned_vector m_vs; // temporary buffer of canonized variables
map<lpvar, unsigned_vector, hash_canonical, eq_canonical> m_cg_table; // congruence (canonical) table.
@ -167,7 +166,8 @@ public:
monic & operator[](lpvar v) { return m_monics[m_var2index[v]]; }
bool is_canonized(const monic&) const;
bool monics_are_canonized() const;
void ensure_canonized();
/**
\brief obtain the representative canonized monic
*/