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adding the polarity bound

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This commit is contained in:
Lev Nachmanson 2023-12-23 14:02:14 -10:00 • committed by Lev Nachmanson
parent d7931b9342
commit af7691224e
4 changed files with 134 additions and 99 deletions
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src/math/lp/int_solver.cpp
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@ -198,7 +198,7 @@ namespace lp {
if (r == lia_move::undef) lra.move_non_basic_columns_to_bounds();
if (r == lia_move::undef && should_hnf_cut()) r = hnf_cut();
if (r == lia_move::undef && should_gomory_cut()) r = gomory(*this).get_gomory_cuts(2);
if (r == lia_move::undef && should_gomory_cut()) r = gomory(*this).get_gomory_cuts(1);
if (r == lia_move::undef) r = int_branch(*this)();
if (settings().get_cancel_flag()) r = lia_move::undef;
@ -242,6 +242,7 @@ namespace lp {
CTRACE("current_solution_is_inf_on_cut", v * sign <= impq(m_k) * sign,
tout << "m_upper = " << m_upper << std::endl;
tout << "v = " << v << ", k = " << m_k << std::endl;
tout << "term:";lra.print_term(m_t, tout) << "\n";
);
return v * sign > impq(m_k) * sign;
}