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separate the gomory cut functionality in a separate file

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Signed-off-by: Lev <levnach@hotmail.com>
This commit is contained in:
Lev 2018-09-14 17:12:49 -07:00
parent 26764b076f
commit 324396e403
7 changed files with 284 additions and 232 deletions
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5
src/util/lp/lar_solver.h
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@ -535,7 +535,7 @@ public:
return m_columns_to_ul_pairs()[j].lower_bound_witness();
}
void subs_term_columns(lar_term& t) {
void subs_term_columns(lar_term& t, mpq & rs) {
vector<std::pair<unsigned,unsigned>> columns_to_subs;
for (const auto & m : t.m_coeffs) {
unsigned tj = adjust_column_index_to_term_index(m.first);
@ -545,9 +545,12 @@ public:
for (const auto & p : columns_to_subs) {
auto it = t.m_coeffs.find(p.first);
lp_assert(it != t.m_coeffs.end());
const lar_term& lt = get_term(p.second);
mpq v = it->second;
t.m_coeffs.erase(it);
t.m_coeffs[p.second] = v;
if (lt.m_v.is_zero()) continue;
rs -= v * lt.m_v;
}
}