Commit Graph

26 Commits

Author SHA1 Message Date
Laurent Perron
75173993f4 fix/improve sat logging 2018-07-06 15:11:17 +02:00
Laurent Perron
70e73d8754 clang-format 2018-06-08 16:40:43 +02:00
Laurent Perron
ea0d59e130 minor improvements to sat solver; continue working on SAT cookbook 2018-06-04 11:59:33 +02:00
Laurent Perron
eb8a9d45f8 [SAT] fix bug in lp scaling 2018-05-26 00:03:08 +02:00
Laurent Perron
8623fc3580 speed up sat cumulative; add namespaces to base library + fix code 2018-04-11 13:00:30 +02:00
Laurent Perron
6b8cd2cdc2 finish C$ Sat Integer API; Refactor Glop code; Add new option for Glop Scaling; speed improvements in the sat solver 2018-02-16 17:08:01 +01:00
Laurent Perron
05f03b33c1 improve sat/circuit; various reimplementations 2018-02-12 11:36:18 +01:00
Laurent Perron
12c8d9dbc0 change the LP relaxation in the sat/circuit constraint; change API to accept a sparse set of arcs instead of next variables 2018-01-17 13:11:14 +01:00
Laurent Perron
604587eec7 minor changes; change the search parameters in the cp_model.proto 2018-01-15 10:41:09 +01:00
Laurent Perron
88ef3d0302 remove std:: from std::min|max in comments; performance improvements on the SAT, bug fixes 2018-01-10 13:21:06 +01:00
Laurent Perron
8d7320b962 deep sync with base library; prepare for abseil.io integration 2017-12-08 14:52:49 +01:00
Laurent Perron
4cd6ecccb3 revisit time limit; add special sigint handler; fix bug in sat presolve with enforcement literals 2017-12-06 11:23:11 +01:00
Laurent Perron
e14ee86de3 move rcpsp parser to ortools/data; continue working on SAT 2017-11-07 15:45:52 +01:00
Laurent Perron
c0bad3d49f speedup sat-lp connection 2017-10-23 10:20:17 +02:00
Laurent Perron
cf867ccca7 add no cycle cuts to the lp relaxation in the vrp tour constraint inside the sat solver 2017-10-18 15:19:19 +02:00
Laurent Perron
03fccb4032 improve incrementality of glop when used in the sat solver; change more copyright dates; more documentation on the gate scheduling problem 2017-10-18 11:09:13 +02:00
Laurent Perron
2c7a8bf8f6 change copyright date 2017-10-17 13:08:10 +02:00
Laurent Perron
20ba8015bc fix sat bugs found by new examples; improve gitignore 2017-10-11 03:05:13 -07:00
Laurent Perron
086640da72 move graph code around; improve sat code 2017-09-29 15:08:48 +02:00
Laurent Perron
e42ef1e06e cleanups and minor syncs; sat: add LP guided heuristics 2017-08-03 10:20:59 -07:00
Laurent Perron
7155047b85 cleanup includes in sat 2017-07-27 11:28:55 -07:00
Laurent Perron
683871ede2 improve SAT/LP connection 2017-07-12 11:38:46 -07:00
Laurent Perron
e71d503657 speed up sat 2017-07-07 11:13:35 -07:00
Laurent Perron
c1fa241347 wake up simplex in sat on objective change 2017-07-06 04:57:49 -07:00
Laurent Perron
37eb235c56 internal improvements of the sat solver; change in the cp_model proto to support linear objective 2017-06-28 14:33:56 +02:00
Laurent Perron
66b8d23079 move src to ortools; simplified python generation; remove some namespaces in the ortools/base helper files 2017-04-26 17:30:25 +02:00