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introduce ul_pair associated_with_row

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2020-05-05 15:59:09 -07:00
parent d20259b57a
commit f2449df06e
3 changed files with 21 additions and 16 deletions
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27
src/math/lp/ul_pair.h
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@ -50,12 +50,12 @@ inline bool compare(const std::pair<mpq, var_index> & a, const std::pair<mpq, va
class ul_pair {
constraint_index m_lower_bound_witness;
constraint_index m_upper_bound_witness;
bool m_associated_with_row;
public:
constraint_index& lower_bound_witness() {return m_lower_bound_witness;}
constraint_index lower_bound_witness() const {return m_lower_bound_witness;}
constraint_index& upper_bound_witness() { return m_upper_bound_witness;}
constraint_index upper_bound_witness() const {return m_upper_bound_witness;}
row_index m_i;
bool operator!=(const ul_pair & p) const {
return !(*this == p);
}
@ -63,19 +63,24 @@ public:
bool operator==(const ul_pair & p) const {
return m_lower_bound_witness == p.m_lower_bound_witness
&& m_upper_bound_witness == p.m_upper_bound_witness &&
m_i == p.m_i;
m_associated_with_row == p.m_associated_with_row;
}
// empty constructor
ul_pair() :
m_lower_bound_witness(static_cast<constraint_index>(-1)),
m_upper_bound_witness(static_cast<constraint_index>(-1)),
m_i(static_cast<row_index>(-1))
{}
ul_pair(row_index ri) :
m_lower_bound_witness(static_cast<constraint_index>(-1)),
m_upper_bound_witness(static_cast<constraint_index>(-1)),
m_i(ri) {}
ul_pair(const ul_pair & o): m_lower_bound_witness(o.m_lower_bound_witness), m_upper_bound_witness(o.m_upper_bound_witness), m_i(o.m_i) {}
m_lower_bound_witness(UINT_MAX),
m_upper_bound_witness(UINT_MAX),
m_associated_with_row(false) {}
ul_pair(bool associated_with_row) :
m_lower_bound_witness(UINT_MAX),
m_upper_bound_witness(UINT_MAX),
m_associated_with_row(associated_with_row) {}
ul_pair(const ul_pair & o):
m_lower_bound_witness(o.m_lower_bound_witness),
m_upper_bound_witness(o.m_upper_bound_witness),
m_associated_with_row(o.m_associated_with_row) {}
bool associated_with_row() const { return m_associated_with_row; }
};
}