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work on Grobner

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2019-10-07 17:17:18 -07:00
parent 0c126031b0
commit 86357de6fe
2 changed files with 27 additions and 24 deletions
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46
src/math/lp/nla_grobner.cpp
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@ -172,32 +172,20 @@ nex * nla_grobner::mk_monomial_in_row(rational coeff, lpvar j, ci_dependency * &
void nla_grobner::add_row(unsigned i) {
const auto& row = c().m_lar_solver.A_r().m_rows[i];
TRACE("non_linear", tout << "adding row to gb\n"; c().m_lar_solver.print_row(row, tout););
nex * row_nex = nullptr;
/* v_dependency * dep = nullptr;
m_tmp_var_set.reset();
for (const auto & p : row) {
rational coeff = p.coeff();
lpvar j = p.var();
// TRACE("non_linear", tout << "monomial: " << mk_pp(m, get_manager()) << "\n";);
nex * new_m = mk_monomial(coeff, j, dep, m_tmp_var_set);
TRACE("non_linear", tout << "new monomial:\n"; if (new_m) gb.display_monomial(tout, *new_m); else tout << "null"; tout << "\n";);
if (new_m)
monomials.push_back(new_m);
}
assert_eq_0(monomials, dep);*/
}
void nla_grobner::add_monomial_def(lpvar) {
NOT_IMPLEMENTED_YET();
TRACE("nla_grobner", tout << "adding row to gb\n"; c().m_lar_solver.print_row(row, tout););
nex_sum * ns = m_nex_creator.mk_sum();
create_sum_from_row(row, m_nex_creator, *ns);
TRACE("nla_grobner", tout << "ns = " << *ns << "\n";);
ci_dependency * dep = nullptr;
m_tmp_var_set.clear();
assert_eq_0(ns, dep);
}
void nla_grobner::init() {
find_nl_cluster();
for (unsigned i : m_rows) {
add_row(i);
}
for (lpvar j : m_active_vars) {
add_monomial_def(j);
}
}
bool nla_grobner::is_trivial(equation* eq) const {
@ -419,9 +407,23 @@ void nla_grobner::display(std::ostream & out) const {
NOT_IMPLEMENTED_YET();
}
void nla_grobner::assert_eq_0(ptr_buffer<monomial> &, v_dependency * dep) {
NOT_IMPLEMENTED_YET();
void nla_grobner::assert_eq_0(const nex* e, ci_dependency * dep) {
if (e == nullptr)
return;
equation * eq = new equation();
init_equation(eq, dep);
m_to_process.insert(eq);
}
void nla_grobner::init_equation(equation* e, ci_dependency * dep) {
NOT_IMPLEMENTED_YET();
/* eq->m_scope_lvl = get_scope_level();
unsigned bidx = m_equations_to_delete.size();
eq->m_bidx = bidx;
eq->m_dep = d;
eq->m_lc = true;
m_equations_to_delete.push_back(eq);
SASSERT(m_equations_to_delete[eq->m_bidx] == eq);*/
}
} // end of nla namespace