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port grobner basis functionality, prepare create nex objects to the grobner basis calculation

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2019-09-19 15:51:01 -07:00
parent e8b6b870ac
commit a085edceff
12 changed files with 424 additions and 274 deletions
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14
src/math/lp/nla_core.cpp
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@ -628,23 +628,17 @@ bool core::sign_contradiction(const monic& m) const {
bool core:: var_is_fixed_to_zero(lpvar j) const {
return
m_lar_solver.column_has_upper_bound(j) &&
m_lar_solver.column_has_lower_bound(j) &&
m_lar_solver.get_upper_bound(j) == lp::zero_of_type<lp::impq>() &&
m_lar_solver.column_is_fixed(j) &&
m_lar_solver.get_lower_bound(j) == lp::zero_of_type<lp::impq>();
}
bool core:: var_is_fixed_to_val(lpvar j, const rational& v) const {
return
m_lar_solver.column_has_upper_bound(j) &&
m_lar_solver.column_has_lower_bound(j) &&
m_lar_solver.get_upper_bound(j) == lp::impq(v) && m_lar_solver.get_lower_bound(j) == lp::impq(v);
m_lar_solver.column_is_fixed(j) &&
m_lar_solver.get_lower_bound(j) == lp::impq(v);
}
bool core:: var_is_fixed(lpvar j) const {
return
m_lar_solver.column_has_upper_bound(j) &&
m_lar_solver.column_has_lower_bound(j) &&
m_lar_solver.get_upper_bound(j) == m_lar_solver.get_lower_bound(j);
return m_lar_solver.column_is_fixed(j);
}
std::ostream & core::print_ineq(const ineq & in, std::ostream & out) const {