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use more descriptive functions than casting comparisons

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Nikolaj Bjorner 2025-03-19 21:03:36 -10:00 • committed by Lev Nachmanson
parent 7fb40e86eb
commit 29c5c20267
2 changed files with 9 additions and 8 deletions
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10
src/math/lp/dioph_eq.cpp
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@ -1801,12 +1801,12 @@ namespace lp {
lp_status st = lra.find_feasible_solution();
if (st == lp_status::CANCELLED)
return false;
if ((int)st >= (int)lp::lp_status::FEASIBLE)
if (lp::is_sat(st))
return false;
lra.get_infeasibility_explanation(m_infeas_explanation);
return true;
}
// returns true only on a conflict
bool tighten_bound_kind(const mpq& g, unsigned j, const mpq& ub, bool upper) {
@ -1840,10 +1840,8 @@ namespace lp {
lra.update_column_type_and_bound(j, kind, bound, dep);
lp_status st = lra.find_feasible_solution();
if ((int)st >= (int)lp::lp_status::FEASIBLE) {
if (is_sat(st) || st == lp::lp_status::CANCELLED)
return false;
}
if (st == lp_status::CANCELLED) return false;
lra.get_infeasibility_explanation(m_infeas_explanation);
return true;
}
@ -2069,7 +2067,7 @@ namespace lp {
TRACE("dio_br", tout << "st:" << lp_status_to_string(st) << std::endl;);
if (st == lp_status::CANCELLED)
return lia_move::undef;
else if ((int)st >= (int)(lp_status::FEASIBLE)) {
else if (lp::is_sat(st)) {
// have a feasible solution
unsigned n_of_ii = get_number_of_int_inf();
TRACE("dio_br", tout << "n_of_ii:" << n_of_ii << "\n";);