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Merge branch 'opt' of https://github.com/NikolajBjorner/z3 into opt

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Miguel Neves 2017-10-19 19:53:25 -07:00
commit 3dd5630255
22 changed files with 2040 additions and 173 deletions
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src/sat/sat_lookahead.h
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@ -248,6 +248,7 @@ namespace sat {
inline void set_undef(literal l) { m_stamp[l.var()] = 0; }
inline unsigned get_level(literal l) const { return m_stamp[l.var()] & UINT_MAX - 1; }
void set_level(literal d, literal s) { m_stamp[d.var()] = (m_stamp[s.var()] & ~0x1) + d.sign(); }
unsigned get_level(literal d) const { return m_stamp[d.var()]; }
lbool value(literal l) const { return is_undef(l) ? l_undef : is_true(l) ? l_true : l_false; }
// set the level within a scope of the search.