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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2025-10-09 11:11:51 -07:00
parent 2da3b591a7
commit 391c4248d4
1 changed files with 19 additions and 4 deletions
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23
src/nlsat/levelwise.cpp
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@ -358,6 +358,10 @@ namespace nlsat {
std::sort(m_E.begin(), m_E.end(), [&](root_function const& a, root_function const& b){
return m_am.lt(a.val, b.val);
});
TRACE(lws, tout << "sorted m_E:\n";
for (unsigned kk = 0; kk < m_E.size(); ++kk) {
display(tout, m_E[kk]) << std::endl;
});
compute_interval_from_sorted_roots(m_E, m_I[m_level]);
TRACE(lws, display(tout << "m_I[" << m_level << "]:", m_I[m_level]) << std::endl;);
}
@ -603,7 +607,6 @@ namespace nlsat {
if (sign(disc, sample(), m_am) == 0) {
TRACE(lws, tout << "apply_pre_non_null_fallback: discriminant vanishes at sample -> failing" << std::endl;);
m_fail = true;
NOT_IMPLEMENTED_YET();
return;
}
// If discriminant is non-constant, add sign-invariance requirement for it
@ -739,7 +742,7 @@ or
*/
mk_prop(sample_holds, level_t(m_level - 1));
mk_prop(repr, level_t(m_level - 1));
mk_prop(ir_ord, level_t(m_level - 1));
mk_prop(ir_ord, level_t(m_level));
mk_prop(an_del, p.poly);
}
}
@ -822,9 +825,10 @@ or
mk_prop(connected, level_t(m_level - 1));
for (unsigned i = 0; i + 1 < m_E.size(); i++) {
SASSERT(max_var(m_E[i].ire.p) == max_var(m_E[i + 1].ire.p));
polynomial_ref r(m_pm);
SASSERT(max_var(m_E[i].ire.p) == m_level);
polynomial_ref r(m_pm);
r = resultant(polynomial_ref(m_E[i].ire.p, m_pm), polynomial_ref(m_E[i+1].ire.p, m_pm), max_var(m_E[i].ire.p));
mk_prop(ord_inv, r);
for_each_distinct_factor(r, [this](const polynomial_ref& f) {mk_prop(ord_inv, f);});
}
}
@ -907,6 +911,17 @@ or
return out;
}
// Print the indexed root function's value. If print_approx is true print a decimal
// approximation, otherwise print the full representation.
std::ostream& display(std::ostream& out, const root_function& f, bool print_approx = true ) const {
display(out << "indexed_root_function:", f.ire) << "\n" << "val:\n";
if (print_approx)
m_am.display_decimal(out, f.val);
else
m_am.display(out, f.val);
return out;
}
std::ostream& display(std::ostream& out, const root_function_interval& I) const {
return ::nlsat::display(out, m_solver, I);
}