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use fixed vars to explain tightening

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2024-11-01 12:46:25 -07:00 • committed by Lev Nachmanson
parent 36293ac773
commit 30f5599064
3 changed files with 56 additions and 42 deletions
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8
src/math/lp/lar_solver.cpp
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@ -1060,7 +1060,13 @@ namespace lp {
}
return ret;
}
bool lar_solver::has_bound_of_type(lpvar var, u_dependency*& ci, mpq& value, bool& is_strict, bool is_upper) const {
if (is_upper) {
return has_upper_bound(var, ci, value, is_strict);
} else {
return has_lower_bound(var, ci, value, is_strict);
}
}
bool lar_solver::has_lower_bound(lpvar var, u_dependency*& dep, mpq& value, bool& is_strict) const {
if (var >= m_columns.size()) {