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Code Activity

solve send-more-money_lev.smt2

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

handle integer vars in random_update

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

call the assert in gomory_cut and branching to a correct place

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

fixes in goromy cut

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

disable x values tracking in random_update

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

more fixes in gomory cut

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

change in mk_bound by Nikolaj

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

fixes in gomory cut and setup

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

fixes in int_solver

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

change a printout

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

fix by Nikolaj in treating terms returned by int_solver

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

fix syntax

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

fix a free coefficient bug in bound propagaion and simplify gomory cut

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

avoid tracking pivoted rows during int_solver::check()
This commit is contained in:
Lev Nachmanson 2017-07-27 10:49:00 -07:00 • committed by Lev Nachmanson
parent aba7dcab3e
commit db8f01894f
31 changed files with 894 additions and 767 deletions
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4
src/util/lp/implied_bound.h
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@ -28,7 +28,6 @@ struct implied_bound {
bool m_coeff_before_j_is_pos;
unsigned m_row_or_term_index;
bool m_strict;
lconstraint_kind kind() const {
lconstraint_kind k = m_is_low_bound? GE : LE;
if (m_strict)
@ -52,6 +51,7 @@ struct implied_bound {
m_is_low_bound(low_bound),
m_coeff_before_j_is_pos(coeff_before_j_is_pos),
m_row_or_term_index(row_or_term_index),
m_strict(strict) {}
m_strict(strict) {
}
};
}