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port Grobner

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2019-11-01 17:06:03 -07:00
parent 3e0cf4b96d
commit f5c8ead995
6 changed files with 18 additions and 8 deletions
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12
src/math/lp/nla_grobner.cpp
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@ -140,8 +140,13 @@ common::ci_dependency* nla_grobner::dep_from_vector(svector<lp::constraint_index
void nla_grobner::add_row(unsigned i) {
const auto& row = c().m_lar_solver.A_r().m_rows[i];
TRACE("grobner", tout << "adding row to gb\n"; c().m_lar_solver.print_row(row, tout););
TRACE("grobner", tout << "adding row to gb\n"; c().m_lar_solver.print_row(row, tout) << '\n';
for (auto p : row) {
c().print_var(p.var(), tout) << "\n";
}
);
nex_sum * ns = m_nex_creator.mk_sum();
svector<lp::constraint_index> fixed_vars_constraints;
create_sum_from_row(row, m_nex_creator, *ns, true); // true to treat fixed vars as scalars
@ -817,11 +822,14 @@ std::ostream& nla_grobner::display_equation(std::ostream & out, const equation &
}
void nla_grobner::assert_eq_0(nex* e, ci_dependency * dep) {
TRACE("grobner_e", tout << "e = " << *e << "\n";);
if (e == nullptr || is_zero_scalar(e))
return;
equation * eq = alloc(equation);
init_equation(eq, e, dep);
TRACE("grobner", display_equation(tout, *eq);
for (unsigned j : get_vars_of_expr(e)) {
c().print_var(j, tout) << "\n";
});
insert_to_simplify(eq);
}