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restore the scheme of m_columns_with_changed_bounds

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2023-10-04 11:06:24 -07:00
parent a88aa7ffa5
commit edd1761ff3
8 changed files with 47 additions and 34 deletions
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10
src/math/lp/monomial_bounds.cpp
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@ -260,8 +260,9 @@ namespace nla {
}
void monomial_bounds::unit_propagate() {
for (auto const& m : c().m_emons) {
unit_propagate(m);
for (lpvar v : c().m_monics_with_changed_bounds) {
if (!c().is_monic_var(v)) continue;
unit_propagate(c().emons()[v]);
if (c().lra.get_status() == lp::lp_status::INFEASIBLE) {
lp::explanation exp;
c().lra.get_infeasibility_explanation(exp);
@ -276,14 +277,15 @@ namespace nla {
}
void monomial_bounds::unit_propagate(monic const& m) {
void monomial_bounds::unit_propagate(monic & m) {
if (m.is_propagated())
return;
if (!is_linear(m))
return;
c().emons().set_propagated(m);
rational k = fixed_var_product(m);
lpvar w = non_fixed_var(m);
if (w == null_lpvar || k == 0) {