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fix #3334

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-03-15 13:41:21 -07:00 • committed by Lev Nachmanson
parent af4e1fa010
commit 4dfc0d6d88
5 changed files with 46 additions and 25 deletions
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8
src/math/lp/emonics.h
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@ -24,6 +24,7 @@
#include "math/lp/var_eqs.h"
#include "math/lp/monic.h"
#include "util/region.h"
#include "util/map.h"
namespace nla {
@ -93,7 +94,7 @@ class emonics {
hash_canonical m_cg_hash;
eq_canonical m_cg_eq;
unsigned_vector m_vs; // temporary buffer of canonized variables
hashtable<lpvar, hash_canonical, eq_canonical> m_cg_table; // congruence (canonical) table.
map<lpvar, unsigned_vector, hash_canonical, eq_canonical> m_cg_table; // congruence (canonical) table.
void inc_visited() const;
@ -129,7 +130,7 @@ public:
m_visited(0),
m_cg_hash(*this),
m_cg_eq(*this),
m_cg_table(DEFAULT_HASHTABLE_INITIAL_CAPACITY, m_cg_hash, m_cg_eq) {
m_cg_table(m_cg_hash, m_cg_eq) {
m_ve.set_merge_handler(this);
}
@ -172,8 +173,7 @@ public:
*/
monic const& rep(monic const& sv) const {
unsigned j = -1;
m_cg_table.find(sv.var(), j);
unsigned j = m_cg_table[sv.var()][0];
return m_monics[m_var2index[j]];
}