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fix a bug in nla_expr

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2019-07-05 14:35:40 -07:00
parent 1e625db84b
commit 87cc5c8d96
6 changed files with 48 additions and 21 deletions
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4
src/math/lp/explanation.h
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@ -25,6 +25,10 @@ class explanation {
vector<std::pair<mpq, constraint_index>> m_explanation;
std::unordered_set<unsigned> m_set_of_ci;
public:
explanation() {}
template <typename T>
explanation(const T& t) { for ( unsigned c : t) add(c); }
void clear() { m_explanation.clear(); m_set_of_ci.clear(); }
vector<std::pair<mpq, constraint_index>>::const_iterator begin() const { return m_explanation.begin(); }
vector<std::pair<mpq, constraint_index>>::const_iterator end() const { return m_explanation.end(); }