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detect more m_terms_to_tighten

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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Lev Nachmanson 2025-03-18 10:28:43 -07:00 committed by Lev Nachmanson
parent 307af0fd97
commit dd19b381d8
1 changed files with 5 additions and 1 deletions
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6
src/math/lp/dioph_eq.cpp
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@ -769,7 +769,11 @@ namespace lp {
} }
void update_column_bound_callback(unsigned j) { void update_column_bound_callback(unsigned j) {
if (!lra.column_is_int(j) || !lra.column_is_fixed(j)) if (!lra.column_is_int(j))
return;
if (lra.column_has_term(j))
m_terms_to_tighten.insert(j); // the boundary of the term has changed: we can be successful to tighten this term
if (!lra.column_is_fixed(j))
return; return;
TRACE("dio", tout << "j:" << j << "\n"; lra.print_column_info(j, tout);); TRACE("dio", tout << "j:" << j << "\n"; lra.print_column_info(j, tout););
m_changed_columns.insert(j); m_changed_columns.insert(j);