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adjust cuts and branch (m_t and m_k) for terms

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Signed-off-by: Lev <levnach@hotmail.com>
This commit is contained in:
Lev 2018-09-14 12:39:46 -07:00
parent 257ba6218f
commit 26764b076f
4 changed files with 24 additions and 7 deletions
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18
src/util/lp/int_solver.cpp
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@ -383,19 +383,25 @@ typedef monomial mono;
// this will allow to enable and disable tracking of the pivot rows
struct pivoted_rows_tracking_control {
lar_solver * m_lar_solver;
bool m_track_pivoted_rows;
pivoted_rows_tracking_control(lar_solver* ls) :
struct check_return_helper {
lar_solver * m_lar_solver;
const lia_move & m_r;
bool m_track_pivoted_rows;
check_return_helper(lar_solver* ls, const lia_move& r) :
m_lar_solver(ls),
m_r(r),
m_track_pivoted_rows(ls->get_track_pivoted_rows())
{
TRACE("pivoted_rows", tout << "pivoted rows = " << ls->m_mpq_lar_core_solver.m_r_solver.m_pivoted_rows->size() << std::endl;);
m_lar_solver->set_track_pivoted_rows(false);
}
~pivoted_rows_tracking_control() {
~check_return_helper() {
TRACE("pivoted_rows", tout << "pivoted rows = " << m_lar_solver->m_mpq_lar_core_solver.m_r_solver.m_pivoted_rows->size() << std::endl;);
m_lar_solver->set_track_pivoted_rows(m_track_pivoted_rows);
if (m_r == lia_move::cut || m_r == lia_move::branch) {
int_solver * s = m_lar_solver->get_int_solver();
m_lar_solver->adjust_cut_for_terms(*(s->m_t), *(s->m_k));
}
}
};
@ -615,7 +621,7 @@ lia_move int_solver::check(lar_term& t, mpq& k, explanation& ex, bool & upper) {
lia_move r = run_gcd_test();
if (r != lia_move::undef) return r;
pivoted_rows_tracking_control pc(m_lar_solver);
check_return_helper pc(m_lar_solver, r);
if(settings().m_int_pivot_fixed_vars_from_basis)
m_lar_solver->pivot_fixed_vars_from_basis();