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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 2019-10-15 17:16:30 -07:00
parent 0f948d7a07
commit e987479e8a
4 changed files with 24 additions and 13 deletions
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21
src/math/lp/nla_grobner.cpp
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@ -183,11 +183,20 @@ void nla_grobner::add_row(unsigned i) {
assert_eq_0(ns, dep);
}
void nla_grobner::simplify_equations_to_process() {
for (equation *eq : m_to_process) {
eq->exp() = m_nex_creator.simplify(eq->exp());
}
}
void nla_grobner::init() {
find_nl_cluster();
c().prepare_active_var_set();
for (unsigned i : m_rows) {
add_row(i);
}
set_active_vars_weights();
simplify_equations_to_process();
}
bool nla_grobner::is_trivial(equation* eq) const {
@ -325,7 +334,7 @@ void nla_grobner::process_simplified_target(ptr_buffer<equation>& to_insert, equ
m_equations_to_unfreeze.push_back(target);
to_remove.push_back(target);
if (m_changed_leading_term) {
m_to_process.insert(new_target);
insert_to_process(new_target);
to_remove.push_back(target);
}
else {
@ -335,7 +344,7 @@ void nla_grobner::process_simplified_target(ptr_buffer<equation>& to_insert, equ
}
else {
if (m_changed_leading_term) {
m_to_process.insert(target);
insert_to_process(target);
to_remove.push_back(target);
}
}
@ -383,7 +392,7 @@ void nla_grobner::simplify_to_process(equation* eq) {
to_delete.push_back(target);
}
for (equation* eq : to_insert)
m_to_process.insert(eq);
insert_to_process(eq);
for (equation* eq : to_remove)
m_to_process.erase(eq);
for (equation* eq : to_delete)
@ -612,16 +621,16 @@ void nla_grobner::display(std::ostream & out) const {
NOT_IMPLEMENTED_YET();
}
void nla_grobner::assert_eq_0(const nex* e, ci_dependency * dep) {
void nla_grobner::assert_eq_0(nex* e, ci_dependency * dep) {
TRACE("nla_grobner", tout << "e = " << *e << "\n";);
if (e == nullptr)
return;
equation * eq = new equation();
init_equation(eq, e, dep);
m_to_process.insert(eq);
insert_to_process(eq);
}
void nla_grobner::init_equation(equation* eq, const nex*e, ci_dependency * dep) {
void nla_grobner::init_equation(equation* eq, nex*e, ci_dependency * dep) {
unsigned bidx = m_equations_to_delete.size();
eq->m_bidx = bidx;
eq->m_dep = dep;