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rebase with upstream

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Signed-off-by: Lev <levnach@hotmail.com>
This commit is contained in:
Lev 2018-09-18 20:16:13 -07:00 • committed by Lev Nachmanson
parent 11d37d97a1
commit c09c944922
5 changed files with 36 additions and 22 deletions
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11
src/util/lp/int_solver.cpp
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@ -118,6 +118,17 @@ constraint_index int_solver::column_upper_bound_constraint(unsigned j) const {
return m_lar_solver->get_column_upper_bound_witness(j);
}
bool int_solver::current_solution_is_inf_on_cut() const {
const auto & x = m_lar_solver->m_mpq_lar_core_solver.m_r_x;
impq v = m_t->apply(x);
mpq sign = *m_upper ? one_of_type<mpq>() : -one_of_type<mpq>();
CTRACE("current_solution_is_inf_on_cut", v * sign <= (*m_k) * sign,
tout << "m_upper = " << *m_upper << std::endl;
tout << "v = " << v << ", k = " << (*m_k) << std::endl;
);
return v * sign > (*m_k) * sign;
}
constraint_index int_solver::column_lower_bound_constraint(unsigned j) const {
return m_lar_solver->get_column_lower_bound_witness(j);
}