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fixes to bv/dual-solver,

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This commit is contained in:
Nikolaj Bjorner 2020-11-08 17:17:43 -08:00
parent a4354c960c
commit 89ffb45c4f
19 changed files with 94 additions and 75 deletions
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6
src/sat/smt/bv_solver.h
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@ -126,7 +126,7 @@ namespace bv {
eq_occurs_it(eq_occurs* c) : m_first(c) {}
eq_occurs operator*() { return *m_first; }
eq_occurs_it& operator++() { m_first = m_first->m_next; return *this; }
eq_occurs_it operator++(int) { eq_occurs_it tmp = *this; ++* this; return tmp; }
eq_occurs_it operator++(int) { eq_occurs_it tmp = *this; ++*this; return tmp; }
bool operator==(eq_occurs_it const& other) const { return m_first == other.m_first; }
bool operator!=(eq_occurs_it const& other) const { return !(*this == other); }
};
@ -157,16 +157,16 @@ namespace bv {
};
struct atom {
bool_var m_bv;
eq_occurs* m_eqs;
var_pos_occ * m_occs;
svector<std::pair<atom*, eq_occurs*>> m_bit2occ;
literal m_var { sat::null_literal };
literal m_def { sat::null_literal };
atom() :m_eqs(nullptr), m_occs(nullptr) {}
atom(bool_var b) :m_bv(b), m_eqs(nullptr), m_occs(nullptr) {}
~atom() { m_bit2occ.clear(); }
var_pos_it begin() const { return var_pos_it(m_occs); }
var_pos_it end() const { return var_pos_it(nullptr); }
bool is_fresh() const { return !m_occs && !m_eqs; }
eqs_iterator eqs() const { return eqs_iterator(m_eqs); }
};