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run tangent and ordered lemmas only on canonical monomials

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2019-05-10 14:44:03 -07:00
parent 5352a5fb85
commit 2dbfb2edc2
6 changed files with 33 additions and 66 deletions
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20
src/util/lp/nla_order_lemmas.cpp
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@ -28,12 +28,18 @@ namespace nla {
// a > b && c > 0 => ac > bc
void order::order_lemma() {
TRACE("nla_solver", );
const auto& rm_ref = c().m_to_refine; // todo : run on the rooted subset or m_to_refine
unsigned start = random();
unsigned sz = rm_ref.size();
for (unsigned i = 0; i < sz && !done(); ++i) {
const monomial& rm = c().m_emons[rm_ref[(i + start) % sz]];
order_lemma_on_rmonomial(rm);
if (!c().m_settings.run_order()) {
TRACE("nla_solver", tout << "not generating order lemmas\n";);
return;
}
const auto& to_ref = c().m_to_refine;
unsigned r = random();
unsigned sz = to_ref.size();
for (unsigned i = 0; i < sz && !done(); ++i) {
lpvar j = to_ref[(i + r) % sz];
if (c().is_canonical_monomial(j))
order_lemma_on_canonical_monomial(c().emons()[j]);
}
}
@ -41,7 +47,7 @@ void order::order_lemma() {
// a > b && c > 0 => ac > bc
// Consider here some binary factorizations of m=ac and
// try create order lemmas with either factor playing the role of c.
void order::order_lemma_on_rmonomial(const monomial& m) {
void order::order_lemma_on_canonical_monomial(const monomial& m) {
TRACE("nla_solver_details",
tout << "m = " << pp_mon(c(), m););