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fix a bug in nla_expr

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2019-07-05 14:35:40 -07:00
parent 1e625db84b
commit 87cc5c8d96
6 changed files with 48 additions and 21 deletions
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15
src/math/lp/nla_core.cpp
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@ -277,7 +277,9 @@ std::ostream& core::print_explanation(const lp::explanation& exp, std::ostream&
out << "expl: ";
for (auto &p : exp) {
out << "(" << p.second << ")";
m_lar_solver.print_constraint_indices_only(p.second, out);
m_lar_solver.print_constraint_indices_only_customized(p.second,
[this](lpvar j) { return var_str(j);},
out);
out << " ";
}
out << "\n";
@ -1397,13 +1399,16 @@ std::ostream& core::print_terms(std::ostream& out) const {
}
return out;
}
std::string core::var_str(lpvar j) const {
return is_monomial_var(j)?
(product_indices_str(m_emons[j].vars()) + (check_monomial(m_emons[j])? "": "_")) : (std::string("v") + lp::T_to_string(j));
}
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()) + (check_monomial(m_emons[j])? "": "_")) : (std::string("v") + lp::T_to_string(j));
},
[this](lpvar j) { return var_str(j); },
out);
}
} // end of nla