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Code Activity

solve send-more-money_lev.smt2

Browse source 
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/column_namer.h
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@ -40,7 +40,7 @@ public:
T a;
unsigned i;
while (it->next(a, i)) {
coeff.emplace_back(a, i);
coeff.push_back(std::make_pair(a, i));
}
print_linear_combination_of_column_indices_only(coeff, out);
}
@ -65,7 +65,7 @@ public:
else if (val != numeric_traits<T>::one())
out << T_to_string(val);
out << "_" << it.second;
out << "v" << it.second;
}
}