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fix a bug in the lar_solver::m_status update during push/pop

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

progress in gomory cut

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

the first version of Gomory cut, probably broken

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

rename a function

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

gomory cut worked on a toy example

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

track the set of integer variables that are not set to integer values

Signed-off-by: Lev Nachmanson <levnach@microsoft.com>
This commit is contained in:
Lev Nachmanson 2017-07-10 16:34:23 -07:00 • committed by Lev Nachmanson
parent 0164ea9abb
commit aba7dcab3e
21 changed files with 682 additions and 455 deletions
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src/util/lp/lp_settings.h
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@ -51,7 +51,7 @@ enum class simplex_strategy_enum {
std::string column_type_to_string(column_type t);
enum lp_status {
enum class lp_status {
UNKNOWN,
INFEASIBLE,
TENTATIVE_UNBOUNDED,