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#6523

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This commit is contained in:
Nikolaj Bjorner 2023-10-16 09:27:22 -07:00
parent f678861aef
commit c9c5dbc347
2 changed files with 15 additions and 8 deletions
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13
src/math/lp/nla_core.cpp
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@ -563,18 +563,15 @@ bool core::var_is_fixed(lpvar j) const {
bool core::var_is_free(lpvar j) const {
return lra.column_is_free(j);
}
std::ostream & core::print_ineq(const ineq & in, std::ostream & out) const {
lra.print_term_as_indices(in.term(), out);
out << " " << lconstraint_kind_string(in.cmp()) << " " << in.rs();
return out;
return out << " " << lconstraint_kind_string(in.cmp()) << " " << in.rs();
}
std::ostream & core::print_var(lpvar j, std::ostream & out) const {
if (is_monic_var(j)) {
if (is_monic_var(j))
print_monic(m_emons[j], out);
}
lra.print_column_info(j, out);
signed_var jr = m_evars.find(j);
@ -1524,9 +1521,11 @@ void core::add_bounds() {
lpvar i = m_to_refine[(k + r) % sz];
auto const& m = m_emons[i];
for (lpvar j : m.vars()) {
if (!var_is_free(j)) continue;
if (!var_is_free(j))
continue;
// split the free variable (j <= 0, or j > 0), and return
m_literals.push_back(ineq(j, lp::lconstraint_kind::EQ, rational::zero()));
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;
}