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adjust hnf

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

change in settings + random in adding terms to hnf

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

add terms in hnf from the beginning

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

adjusting settings

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

remove non used determinant()

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2018-06-22 09:51:33 -07:00
parent eeaca949e0
commit e5eea467b7
9 changed files with 36 additions and 79 deletions
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16
src/util/lp/lar_solver.cpp
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@ -2240,6 +2240,22 @@ bool lar_solver::get_equality_and_right_side_for_term_on_current_x(unsigned term
return false;
}
void lar_solver::set_cut_strategy(unsigned cut_frequency) {
if (cut_frequency < 4) { // enable only gomory cut
settings().m_int_gomory_cut_period = 2;
settings().m_hnf_cut_period = 100000000;
settings().m_int_find_cube_period = 100000000;
} else if (cut_frequency == 4) { // enable all cuts and cube equally
settings().m_int_gomory_cut_period = 4;
settings().m_hnf_cut_period = 4;
settings().m_int_find_cube_period = 4;
} else {
// disable all heuristics
settings().m_int_gomory_cut_period = 10000000;
settings().m_hnf_cut_period = 100000000;
settings().m_int_find_cube_period = 100000000;
}
}
} // namespace lp