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separate out bounds

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2025-10-29 11:19:10 -07:00
parent 1657fc6ebf
commit cf54e985e8
6 changed files with 103 additions and 30 deletions
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23
src/math/lp/nla_core.cpp
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@ -37,7 +37,8 @@ core::core(lp::lar_solver& s, params_ref const& p, reslimit & lim) :
m_monomial_bounds(this),
m_stellensatz(this),
m_horner(this),
m_grobner(this),
m_grobner(this),
m_bounds(this),
m_emons(m_evars),
m_use_nra_model(false),
m_nra(s, m_nra_lim, *this, p),
@ -1268,24 +1269,6 @@ void core::check_bounded_divisions() {
clear();
m_divisions.check_bounded_divisions();
}
// looking for a free variable inside of a monic to split
void core::add_bounds() {
for (auto i : m_to_refine) {
auto const& m = m_emons[i];
for (lpvar j : m.vars()) {
if (!var_is_free(j))
continue;
if (m.is_bound_propagated())
continue;
m_emons.set_bound_propagated(m);
// split the free variable (j <= 0, or j > 0), and return
m_literals.push_back(ineq(j, lp::lconstraint_kind::EQ, rational::zero()));
TRACE(nla_solver, print_ineq(m_literals.back(), tout) << "\n");
++lp_settings().stats().m_nla_add_bounds;
return;
}
}
}
lbool core::check() {
lp_settings().stats().m_nla_calls++;
@ -1321,7 +1304,7 @@ lbool core::check() {
{
std::function<void(void)> check1 = [&]() { if (no_effect() && run_horner) m_horner.horner_lemmas(); };
std::function<void(void)> check2 = [&]() { if (no_effect() && run_grobner) m_grobner(); };
std::function<void(void)> check3 = [&]() { if (no_effect() && run_bounds) add_bounds(); };
std::function<void(void)> check3 = [&]() { if (no_effect() && run_bounds) m_bounds(); };
std::pair<unsigned, std::function<void(void)>> checks[] =
{ {1, check1},