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fix a bug in nla_solver's divide

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Signed-off-by: Lev <levnach@hotmail.com>
This commit is contained in:
Lev 2018-12-04 15:41:35 -10:00 • committed by Lev Nachmanson
parent c30190f941
commit 5c0f76a702
2 changed files with 11 additions and 2 deletions
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4
src/util/lp/lar_solver.cpp
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@ -1335,6 +1335,10 @@ std::ostream& lar_solver::print_left_side_of_constraint(const lar_base_constrain
} }
std::ostream& lar_solver::print_term(lar_term const& term, std::ostream & out) const { std::ostream& lar_solver::print_term(lar_term const& term, std::ostream & out) const {
if (term.size() == 0){
out << "0";
return out;
}
bool first = true; bool first = true;
for (const auto p : term) { for (const auto p : term) {
mpq val = p.coeff(); mpq val = p.coeff();

9
src/util/lp/nla_solver.cpp
View file

@ -46,7 +46,7 @@ bool is_factor(const T & a, const T & b) {
continue; continue;
} }
i++; j++;
} }
} }
@ -1074,7 +1074,12 @@ struct solver::imp {
const rooted_mon& bd, const rooted_mon& bd,
const factor& b, const factor& b,
const factor& d) { const factor& d) {
TRACE("nla_solver",
tout << "factor a = ";
print_factor(a, tout);
tout << ", factor b = ";
print_factor(b, tout););
auto ac_m = vvr(a) * vvr(c); auto ac_m = vvr(a) * vvr(c);
auto bd_m = vvr(b) * vvr(d); auto bd_m = vvr(b) * vvr(d);