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add propagation flag to monic and method for updating it to emonics. This replaces the bool-vector tracking for propagation and internalizes it to the emonics class

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2023-09-26 20:52:34 -07:00
parent 9c63ea3135
commit aaa587398e
3 changed files with 21 additions and 0 deletions
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src/math/lp/monic.h
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@ -58,6 +58,7 @@ class monic: public mon_eq {
svector<lpvar> m_rvars;
bool m_rsign;
mutable unsigned m_visited;
bool m_propagated = false;
public:
// constructors
monic(lpvar v, unsigned sz, lpvar const* vs, unsigned idx):
@ -74,6 +75,8 @@ public:
void reset_rfields() { m_rsign = false; m_rvars.reset(); SASSERT(m_rvars.size() == 0); }
void push_rvar(signed_var sv) { m_rsign ^= sv.sign(); m_rvars.push_back(sv.var()); }
void sort_rvars() { std::sort(m_rvars.begin(), m_rvars.end()); }
void set_propagated(bool p) { m_propagated = p; }
bool is_propagated() const { return m_propagated; }
svector<lpvar>::const_iterator begin() const { return vars().begin(); }
svector<lpvar>::const_iterator end() const { return vars().end(); }