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Code Activity
18890 commits 23 branches 48 tags 157 MiB
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196 commits

Author SHA1 Message Date
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
Lev Nachmanson 906d52ca1c accept term indices as columns in some lar_solver queries 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-03-25 19:43:55 -07:00
Lev Nachmanson f28c80e3b1 reorder fields in lar_solver constructor to avoid a warning 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-03-25 19:43:55 -07:00
Nikolaj Bjorner b67d136849 hide flag on registering variables 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-03-25 19:43:55 -07:00
Lev Nachmanson 26631ce38d add a unit test for monics, plus some cosmetic changes 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-03-25 19:43:55 -07:00
Lev Nachmanson 719603f185 register inner terms with null var 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-03-25 19:43:55 -07:00
Lev Nachmanson a0251ac745 do not register equality terms created in lar_solver 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-03-25 19:43:55 -07:00
Lev Nachmanson 285ff9540d make sure that the term external index has not been used 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-03-25 19:43:55 -07:00
Lev Nachmanson f636a481d3 fixes in bound setting in cube, and in lar_solver 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-03-25 19:43:55 -07:00
Lev Nachmanson a80eb13420 fixes in bound setting in cube, and in lar_solver 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-03-25 19:43:55 -07:00
Lev Nachmanson 6ea0bcb454 round the bound for columns and terms when it can be deduced that they are integral 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-03-25 19:43:55 -07:00
Lev Nachmanson b403b96d38 remove an assert 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-03-25 19:43:55 -07:00
Lev Nachmanson 762f265616 merge with master 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-03-25 19:43:55 -07:00
Nikolaj Bjorner 02b074e28b compile constraints during internalization 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-07 19:28:17 -08:00
Lev Nachmanson f45e17c47e fix column patching 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-02-07 13:42:39 -08:00
Nikolaj Bjorner 8c016abb12 build issues 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-07 11:16:57 -08:00
Nikolaj Bjorner 800bc757ae isolate constraints in a constraint_set 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-07 09:24:45 -08:00
Nikolaj Bjorner 024ca86386 isolate constraints in a constraint_set 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-07 09:16:14 -08:00
Nikolaj Bjorner a59745c2f2 isolate constraints in a constraint_set 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-07 09:13:40 -08:00
Lev Nachmanson 06173aa4d7 do not use nl variables in random_update() 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-02-04 11:51:37 -08:00
Lev Nachmanson a05dec99cf do not random_update int vars 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-02-03 16:01:56 -08:00
Nikolaj Bjorner b0a28160f7 fix #2921 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-02-02 10:35:06 -08:00
Lev Nachmanson 35aa98436f fix term columns after rounding in cube() 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-30 14:29:36 -08:00
Lev Nachmanson 9694dc0c74 change in the test lp.cpp and in a trace statement 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-29 11:03:18 -08:00
Lev Nachmanson 8ebeaf03b4 rebase with Z3Prover/z3/master 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 30d35488d8 get_rid or inf eps 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 0e86c567cc prepare the mixed case 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson d310ae9060 rebase with Z3Prover 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 0b1023c2c7 do not add row with free basic vars in grobner, more tracing 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 687f30a2ce debug grobner and improve printing 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 868ea58aef start porting grobner basis functionality 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 006c53e484 remove a wrong assert from lar_solver.cpp 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson f4e7002ea3 forgotten changes after a rebase 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 1b8b09cddb fixes in horner's heuristic 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 207c1c509f fixes in horner's heuristic 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson c95f66e02a toward fetching existing terms intervals from lar_solver 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson dfe0e85629 toward fetching existing terms intervals from lar_solver 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 3c5b1086a1 fix remove lar_solver::add_constraint 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 87cc5c8d96 fix a bug in nla_expr 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 130995a3db print terms as monomials 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 3f6ecfb3b6 generate lemmas from nla_intervals 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson c121c5d2d8 remove dead code 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 6a6cb3822c before getting explanations for monomials upper and low bounds 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 02133bbcc5 before getting explanations for monomials upper and low bounds 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 9c18ede687 hook up nla_solver it lp bound propagation 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Lev Nachmanson 33cbd29ed0 mv util/lp to math/lp 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-01-28 10:04:21 -08:00
Renamed from src/util/lp/lar_solver.cpp (Browse further)