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do not create inf var

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2020-03-18 16:12:34 -07:00
parent 6c5d7fbe96
commit d758a08497
1 changed files with 0 additions and 3 deletions
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src/math/lp/lar_solver.cpp
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@ -2368,9 +2368,6 @@ std::pair<constraint_index, constraint_index> lar_solver::add_equality(lpvar j,
coeffs.push_back(std::make_pair(mpq(1),j));
coeffs.push_back(std::make_pair(mpq(-1),k));
unsigned term_index = add_term(coeffs, UINT_MAX); // UINT_MAX is the external null var
if (get_column_value(j) != get_column_value(k)) {
set_infeasible_column(map_term_index_to_column_index(term_index));
}
return std::pair<constraint_index, constraint_index>(
add_var_bound(term_index, lconstraint_kind::LE, mpq(0)),
add_var_bound(term_index, lconstraint_kind::GE, mpq(0)));