15 commits

Author	SHA1	Message	Date
Nikolaj Bjorner	60cf482cea	fix #5239 ... Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>	2021-05-03 11:44:44 -07:00
Nikolaj Bjorner	78f4513441	na ... Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>	2021-03-13 06:19:31 -08:00
Nikolaj Bjorner	f29a596070	deal with compiler warnings, from MacOS CI build	2021-03-08 17:14:09 -08:00
Lev Nachmanson	25724401cf	Perf branch (#4710) ... * avoid creating rows with all but one fixed columns Signed-off-by: Lev Nachmanson <levnach@hotmail.com> * pb Signed-off-by: Lev Nachmanson <levnach@hotmail.com> * once in a while flip bounds of boxed variables during move_nbasic_to_bounds Signed-off-by: Lev Nachmanson <levnach@hotmail.com> * flip rarely Signed-off-by: Lev Nachmanson <levnach@hotmail.com> * flip rarely Signed-off-by: Lev Nachmanson <levnach@hotmail.com> * flip rarely Signed-off-by: Lev Nachmanson <levnach@hotmail.com> * return an empty model when lar_solver is not ready Signed-off-by: Lev Nachmanson <levnach@hotmail.com> * randomly change bounded base var on demand only Signed-off-by: Lev Nachmanson <levnach@hotmail.com> * randomly change bounded base var on demand only Signed-off-by: Lev Nachmanson <levnach@hotmail.com>	2020-09-25 17:47:29 -07:00
Nikolaj Bjorner	5e79eb62fd	add some notes to regex ... Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>	2020-05-26 13:30:52 -07:00
Lev Nachmanson	f8037ffda4	always call find_feasible_solution in move_nbasic_columns_to_bounds() ... Signed-off-by: Lev Nachmanson <levnach@hotmail.com>	2020-04-28 15:27:49 -07:00
Lev Nachmanson	530f77281c	fixes in branching ... Signed-off-by: Lev Nachmanson <levnach@hotmail.com>	2020-04-26 16:13:47 -07:00
Lev Nachmanson	5208b64a6b	expose only necessary methods of lar_solver ... Signed-off-by: Lev Nachmanson <levnach@hotmail.com>	2020-04-16 12:58:39 -07:00
Nikolaj Bjorner	c2e5cd78c8	change lar_terms to use column indices ... Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>	2020-04-06 12:13:59 -07:00
Nikolaj Bjorner	080dbb13b0	tv alignment, code review comments ... Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>	2020-04-05 03:35:19 -07:00
Lev Nachmanson	f5b62015fc	change the return type of ival.var() to tv ... Signed-off-by: Lev Nachmanson <levnach@hotmail.com>	2020-03-25 19:43:55 -07:00
Lev Nachmanson	8af245a410	use a simpler encoding for term indices ... Signed-off-by: Lev Nachmanson <levnach@hotmail.com>	2020-03-25 19:43:55 -07:00
Nikolaj Bjorner	7ec02fc11f	na ... Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>	2020-02-08 16:00:13 -08:00
Nikolaj Bjorner	3f1f4e0f67	remove pragma once from cpp ... Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>	2020-02-08 15:41:13 -08:00
Nikolaj Bjorner	8d293171d5	separate int-cube functionalty ... Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>	2020-02-08 15:27:11 -08:00