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53 Commits

Author SHA1 Message Date
Laurent Perron
8fe2df9a18 [CP-SAT] regenerates all includes; improve core solver when the objective is pseudo-boolean 2022-02-15 18:00:11 +01:00
Laurent Perron
321d02c17c more strong integer types; use them in CP-SAT; polish shaving code; remove 1 overflow in cuts 2022-02-07 14:31:18 +01:00
Laurent Perron
068a71104a [CP-SAT] fix cumulative presolve; use strong_index 2022-02-04 14:20:08 +01:00
Corentin Le Molgat
4defaa23ed Export strong_int.h 2022-01-31 18:44:25 +01:00
Laurent Perron
3b745ab2c1 [CP-SAT] tweak to lb_tree_search 2021-11-04 18:58:34 +01:00
Laurent Perron
34b26eb5b0 [CP-SAT] reorganize linear code; tweak lb_tree_search code 2021-10-29 14:02:25 +02:00
Laurent Perron
9a5986631e [CP-SAT] improve modulo propagator 2021-10-28 15:44:12 +02:00
Laurent Perron
bab11deddf [CP-SAT] implement proper modulo propagator (with fixed mod) 2021-10-27 20:56:28 +02:00
Laurent Perron
99a06cf328 [CP-SAT] remove division expansion; implement general division propagator; improve internal APIs; fix bug and simplify code on lb_tree_search 2021-10-27 13:22:27 +02:00
Laurent Perron
93c7e252eb [CP-SAT] Cleanup propagator API 2021-10-25 16:30:57 +02:00
Laurent Perron
703f4c52d6 fix 2021-09-29 16:36:42 +02:00
Laurent Perron
6758c73d2f fix 2021-09-29 16:18:52 +02:00
Laurent Perron
1c2519dff5 add experimental energy info on the cumulative constraints; use it in cuts 2021-06-29 17:16:44 +02:00
Laurent Perron
8f307d1483 [CP-SAT] Fix wrong unsat; reduce model copy in LNS 2021-04-08 18:26:14 +02:00
Mizux Seiha
8bb54b04ef Bump Copyright to 2021 
FYI:
find ortools \( -type d -name .git -prune \) -o -type f -print0 | xargs -0 sed -i 's/\(Copyright 2010\)-2018/\1-2021/g'
 2021-04-01 21:00:53 +02:00
Corentin Le Molgat
a40143cdd2 cpp: Migrate int64 to int64_t 2021-04-01 20:20:43 +02:00
Laurent Perron
bad5c2032b int64 -> int64_t 2021-03-04 18:26:01 +01:00
Laurent Perron
b7d2104898 fix 2 sat bugs 2020-11-25 22:38:26 +01:00
Laurent Perron
7ed855af90 remove near zero terms when converting MIP models for CP-SAT; add small presolve, and root node propagation 2020-11-16 17:01:21 +01:00
Corentin Le Molgat
e4caaf96bc format file forcing the left alignment 2020-10-29 14:25:39 +01:00
Mizux Seiha
20d0496bfb reapply google format 2020-10-23 00:45:17 +02:00
Laurent Perron
a4258f2bdf switch flags setters and getters to the absl format 2020-10-21 00:21:54 +02:00
Laurent Perron
bcb7b3073d large synchro with internal code: linear solver: introduce intermediate SCIP layer called gscip; sat: more work on slow propagation detection; base: remove statusor, use abseil version; constraint solver: more work on internal local search 2020-10-18 16:38:25 +02:00
Laurent Perron
484aafb903 A few fixes on CP-SAT; work on scheduling LP cuts 2020-10-01 18:08:34 +02:00
Laurent Perron
456a73d213 improve cut numerical precision; speed up presolve; fix bug with inverse constraint expansion 2020-02-03 16:21:57 +01:00
Laurent Perron
45a04053e4 polish integer reasons 2020-01-20 10:51:53 +01:00
Laurent Perron
76cf068598 remove most of flatzinc presolve; fix missing presolve in cp-sat; improve cut managements in cp-sat 2020-01-07 16:51:46 +01:00
Laurent Perron
f9f2d7b5b4 [CP-SAT] improve presolve; improve linear subsystem 2019-12-16 12:34:56 +01:00
Laurent Perron
2ff000ab9a bump abseil to the latest version, adapt the code all around 2019-11-20 14:28:11 -08:00
Laurent Perron
03278709e8 fix #1692 2019-11-07 17:19:39 +01:00
Laurent Perron
248210b21c full sync cp-sat 2019-10-25 14:26:16 +02:00
Laurent Perron
09655b81ea add LinearExpr.Term() API; improve internals 2019-08-22 13:15:49 +02:00
Laurent Perron
8572f97c28 reindent cp_model.py; fix Domain swig; rename test 2019-05-17 10:27:41 +02:00
Laurent Perron
39cae88902 add new routing LS operator; add Abs() propagator + presolve to CP-SAT; cache RINS info in CP-SAT 2019-04-25 18:12:35 +02:00
Laurent Perron
9038067e67 minor improvements in CP-SAT 2019-02-28 17:07:29 +01:00
Laurent Perron
c122f20fa7 [CP-SAT] Implemented division with numerator and target spanning across 0, and constant denominator 2019-02-28 13:30:10 +01:00
Laurent Perron
f0de80e2d3 [CP-SAT] fix bug in precedences, fix bug in cuts; improve presolve on element and automaton 2019-02-13 11:02:24 +01:00
Laurent Perron
c0b4ac617c speed IntegerSumLe in CP-SAT 2019-01-07 18:04:31 +01:00
Laurent Perron
3055dcaa50 reorganize info sharing in parallel search 2018-12-21 13:59:58 +01:00
Laurent Perron
b7980e7bb2 work on info sharing between workers; disable bounds sharing in parameters 2018-12-18 11:42:14 +01:00
Laurent Perron
14096d7cf0 polish bound sharing code 2018-12-17 16:50:15 +01:00
Laurent Perron
87b9d55b21 update license headers 2018-11-10 18:00:53 +01:00
Laurent Perron
428e272ccc add ModelStats and CpSolverResponseStats for SAT/{Python|Java|C#}; enable multiple enforcement literals for a few constraints; small fixes, typo corrections 2018-09-12 15:07:23 +02:00
Laurent Perron
beb05f0079 #303 Sat implementation of vendor scheduling, fixed a few bugs found in the process 2018-09-02 17:15:55 +02:00
Laurent Perron
5dd0c1c985 presolve product with boolean 2018-08-29 13:55:59 +02:00
Laurent Perron
4caaef3c23 deep sync with base library renaming; lint checking; Speedup sat; new crash procedure for glop 2018-08-28 11:19:49 +02:00
Laurent Perron
70e73d8754 clang-format 2018-06-08 16:40:43 +02:00
Laurent Perron
2c7a8bf8f6 change copyright date 2017-10-17 13:08:10 +02:00
Laurent Perron
7155047b85 cleanup includes in sat 2017-07-27 11:28:55 -07:00
Laurent Perron
c91cba70c9 simplify sat internals; add propagator for x*x in sat 2017-07-21 11:13:10 -07:00