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nla review (#4321)

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* simplify the nla_solver interface

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* more simplifications

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* init m_use_nra_model

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* work on NSB comments

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* work on NSB comments

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

Co-authored-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Lev Nachmanson 2020-05-13 13:52:42 -07:00 • committed by GitHub
parent 16aec328f1
commit 6b28973799
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10 changed files with 71 additions and 118 deletions
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4
src/math/lp/int_solver.h
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@ -109,8 +109,8 @@ private:
bool has_upper(unsigned j) const;
unsigned row_of_basic_column(unsigned j) const;
bool non_basic_columns_are_at_bounds() const;
bool cut_indices_are_columns() const;
public:
std::ostream& display_column(std::ostream & out, unsigned j) const;
constraint_index column_upper_bound_constraint(unsigned j) const;