3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-05-01 04:45:52 +00:00

print terms as monomials

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2019-06-20 12:57:48 -07:00
parent 8955509023
commit 130995a3db
10 changed files with 99 additions and 82 deletions

View file

@ -189,6 +189,19 @@ std::ostream& core::print_product(const T & m, std::ostream& out) const {
}
return out;
}
template <typename T>
std::string core::product_indices_str(const T & m) const {
std::stringstream out;
bool first = true;
for (lpvar v : m) {
if (!first)
out << "*";
else
first = false;
out << "v" << v;;
}
return out.str();
}
std::ostream & core::print_factor(const factor& f, std::ostream& out) const {
if (f.sign())
@ -209,7 +222,7 @@ std::ostream & core::print_factor_with_vars(const factor& f, std::ostream& out)
print_var(f.var(), out);
}
else {
out << " MON = " << pp_rmon(*this, m_emons[f.var()]);
out << " MON = " << pp_mon_with_vars(*this, m_emons[f.var()]);
}
return out;
}
@ -1184,7 +1197,7 @@ bool core::find_bfc_to_refine_on_monomial(const monomial& m, factorization & bf)
if (val(m) != val(a) * val(b)) {
bf = f;
TRACE("nla_solver", tout << "found bf";
tout << ":m:" << pp_rmon(*this, m) << "\n";
tout << ":m:" << pp_mon_with_vars(*this, m) << "\n";
tout << "bf:"; print_bfc(bf, tout););
return true;
@ -1254,6 +1267,7 @@ bool core:: done() const {
}
lbool core:: inner_check(bool derived) {
TRACE("nla_cn", print_terms(tout););
for (int search_level = 0; search_level < 3 && !done(); search_level++) {
TRACE("nla_solver", tout << "derived = " << derived << ", search_level = " << search_level << "\n";);
if (search_level == 0) {
@ -1342,11 +1356,17 @@ lbool core::test_check(
return check(l);
}
} // end of nla
#if 0
rational core::mon_value_by_vars(unsigned i) const {
return product_value(m_monomials[i]);
std::ostream& core::print_terms(std::ostream& out) const {
for (auto t: m_lar_solver.m_terms)
print_term(*t, out) << "\n";
return out;
}
#endif
std::ostream& core::print_term( const lp::lar_term& t, std::ostream& out) const {
return lp::print_linear_combination_customized(
t.coeffs_as_vector(),
[this](lpvar j) {
return is_monomial_var(j)? product_indices_str(m_emons[j].vars()) : (std::string("v") + lp::T_to_string(j));
},
out);
}
} // end of nla