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reject rows with columns with big numbers for lp bound propagation

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2023-09-21 15:53:53 -07:00
parent f423642e9b
commit c0b55d1435
1 changed files with 7 additions and 1 deletions
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8
src/math/lp/lar_solver.cpp
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@ -135,9 +135,15 @@ namespace lp {
bool lar_solver::row_has_a_big_num(unsigned i) const {
for (const auto& c : A_r().m_rows[i])
for (const auto& c : A_r().m_rows[i]) {
if (c.coeff().is_big())
return true;
if (column_has_lower_bound(c.var())&& get_lower_bound(c.var()).x.is_big())
return true;
if (column_has_upper_bound(c.var())&& get_upper_bound(c.var()).x.is_big())
return true;
}
return false;
}