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fix #2468, adding assignment phase heuristic

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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Nikolaj Bjorner 2019-08-10 15:24:42 -07:00
parent 42e21458ba
commit 9fa9aa09ff
19 changed files with 268 additions and 79 deletions
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4
src/util/lp/lar_solver.h
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@ -178,6 +178,10 @@ public:
constraint_index add_var_bound(var_index j, lconstraint_kind kind, const mpq & right_side) ;
bool compare_values(var_index j, lconstraint_kind kind, const mpq & right_side);
bool compare_values(impq const& lhs, lconstraint_kind k, const mpq & rhs);
void update_column_type_and_bound(var_index j, lconstraint_kind kind, const mpq & right_side, constraint_index constr_index);
void add_var_bound_on_constraint_for_term(var_index j, lconstraint_kind kind, const mpq & right_side, constraint_index ci);