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var_eqs seems working

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This commit is contained in:
Lev Nachmanson 2019-04-03 16:29:44 -07:00
parent 98dca454ae
commit 826d2582e2
1 changed files with 2 additions and 1 deletions
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src/util/lp/var_eqs.cpp
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@ -48,6 +48,7 @@ namespace nla {
unsigned max_i = std::max(v1.index(), v2.index()) + 2; unsigned max_i = std::max(v1.index(), v2.index()) + 2;
m_eqs.reserve(max_i); m_eqs.reserve(max_i);
while (m_uf.get_num_vars() <= max_i) m_uf.mk_var(); while (m_uf.get_num_vars() <= max_i) m_uf.mk_var();
m_trail.push_back(std::make_pair(v1, v2));
m_uf.merge(v1.index(), v2.index()); m_uf.merge(v1.index(), v2.index());
m_uf.merge((~v1).index(), (~v2).index()); m_uf.merge((~v1).index(), (~v2).index());
m_eqs[v1.index()].push_back(justified_var(v2, j)); m_eqs[v1.index()].push_back(justified_var(v2, j));
@ -61,7 +62,7 @@ namespace nla {
return v; return v;
} }
unsigned idx = m_uf.find(v.index()); unsigned idx = m_uf.find(v.index());
return signed_var(idx, from_index()); // 0 is needed to call the right constructor return signed_var(idx, from_index());
} }
void var_eqs::explain(signed_var v1, signed_var v2, lp::explanation& e) const { void var_eqs::explain(signed_var v1, signed_var v2, lp::explanation& e) const {