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start porting grobner basis functionality

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2019-09-04 18:33:54 -07:00
parent bfcfc517fe
commit 06dbc623c7
8 changed files with 170 additions and 7 deletions
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8
src/math/lp/horner.cpp
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@ -45,7 +45,7 @@ bool horner::row_is_interesting(const T& row) const {
return false;
}
SASSERT(row_has_monomial_to_refine(row));
m_row_var_set.clear();
c().clear_row_var_set();
for (const auto& p : row) {
lpvar j = p.var();
if (!c().is_monomial_var(j))
@ -53,11 +53,11 @@ bool horner::row_is_interesting(const T& row) const {
auto & m = c().emons()[j];
for (lpvar k : m.vars()) {
if (m_row_var_set.contains(k))
if (c().row_var_set_contains(k))
return true;
}
for (lpvar k : m.vars()) {
m_row_var_set.insert(k);
c().insert_to_row_var_set(k);
}
}
return false;
@ -113,7 +113,7 @@ void horner::horner_lemmas() {
for (auto & s : matrix.m_columns[j])
rows_to_check.insert(s.var());
}
m_row_var_set.resize(c().m_lar_solver.number_of_vars());
c().prepare_row_var_set();
svector<unsigned> rows;
for (unsigned i : rows_to_check) {
if (row_is_interesting(matrix.m_rows[i]))