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hook up different relation build strategies for lws

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2026-01-09 14:33:59 -10:00
parent ae8763d760
commit ae8262a9d1
4 changed files with 23 additions and 1 deletions
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18
src/nlsat/levelwise.cpp
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@ -103,6 +103,21 @@ struct levelwise::impl {
m_I.reserve(m_n);
for (unsigned i = 0; i < m_n; ++i)
m_I.emplace_back(m_pm);
switch (m_solver.lws_relation_mode()) {
case 0:
m_relation_mode = biggest_cell;
break;
case 1:
m_relation_mode = chain;
break;
case 2:
m_relation_mode = lowest_degree;
break;
default:
m_relation_mode = chain;
break;
}
}
void fail() { throw nullified_poly_exception(); }
@ -289,7 +304,8 @@ struct levelwise::impl {
for (unsigned j = l + 1; j < n; ++j)
m_rel.add_pair(j - 1, j);
break;
case lowest_degree: {
case lowest_degree:
{
std::vector<unsigned> degs;
degs.reserve(n);
for (unsigned i = 0; i < n; ++i)