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implement canonization of nex expressions

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2019-10-04 16:28:24 -07:00
parent 08de9ecbd1
commit 3e009a237f
6 changed files with 145 additions and 69 deletions
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13
src/math/lp/cross_nested.h
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@ -60,8 +60,7 @@ public:
SASSERT(m_nex_creator.is_simplified(e));
m_e = e;
#ifdef Z3DEBUG
// m_e_clone = clone(m_e);
// m_e_clone = normalize(m_e_clone);
m_e_clone = m_nex_creator.clone(m_e);
#endif
vector<nex**> front;
explore_expr_on_front_elem(&m_e, front);
@ -255,13 +254,9 @@ public:
if(front.empty()) {
TRACE("nla_cn", tout << "got the cn form: =" << *m_e << "\n";);
m_done = m_call_on_result(m_e) || ++m_reported > 100;
// #ifdef Z3DEBUG
// nex *ce = clone(m_e);
// TRACE("nla_cn", tout << "ce = " << *ce << "\n";);
// nex *n = normalize(ce);
// TRACE("nla_cn", tout << "n = " << *n << "\nm_e_clone=" << * m_e_clone << "\n";);
// SASSERT(*n == *m_e_clone);
// #endif
#ifdef Z3DEBUG
SASSERT(nex_creator::equal(m_e, m_e_clone));
#endif
} else {
nex** f = pop_front(front);
explore_expr_on_front_elem(f, front);