Jakob Rath
022c06f75d
pdd::subst_get
2022-11-18 15:14:38 +01:00
Jakob Rath
f762b66fe2
VERIFY in test
2022-07-21 13:07:28 +02:00
Jakob Rath
e168d8a2eb
Merge branch 'master' into polysat
2022-07-21 12:56:50 +02:00
Nikolaj Bjorner
4a192850f2
add var_factors
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Add routine to partially factor polynomials. It factors out variables.
2022-07-14 11:06:53 -07:00
Jakob Rath
e5e79c1d4b
Merge branch 'master' into polysat
2022-07-01 16:11:17 +02:00
Nuno Lopes
c3407fc304
fix build of tests
2022-06-17 17:11:18 +01:00
Jakob Rath
1de51da67e
get univariate coefficients
2022-03-11 18:03:39 +01:00
Nikolaj Bjorner
cbbf1381f7
update to use incremental substitution
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2022-01-23 03:00:25 +01:00
Jakob Rath
c4963f4381
Polysat: add two more prototype rules ( #5355 )
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* Add try_div to PDDs
* x>y is false when x==y
* First version of the other two prototype rules
* More band-aid fixes...
2021-06-18 08:48:50 -07:00
Jakob Rath
7067fc16ae
Test and fix PDD subst_val ( #5185 )
2021-04-15 08:35:46 -07:00
Jakob Rath
324d9ed461
Add more PDD utilities (div, pow) ( #5180 )
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* Expose 'inv' on rationals to get reciprocal value
* Align parameter names with implementation
* Add cached operation that divides PDD by a constant
* Fix display for constant PDDs
* operator^ should probably call ^ instead of + (mk_xor instead of add)
* Add helper function 'pow' on PDDs
2021-04-14 04:48:42 -07:00
Jakob Rath
0e9fc4762a
Fix PDD factor cache in case GC happens while factoring ( #5170 )
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* Add method to find largest power of two that is a divisor
* Binary resolve on PDDs
* Add unit tests for binary resolve
* Fix factor cache access in case GC happens while factoring
* Coding conventions
* Change to gc_generation
2021-04-12 11:20:40 -07:00
Jakob Rath
75c87a2869
Test and memoize pdd factoring ( #5163 )
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* Test and fix pdd_manager::factor
* Memoize pdd_manager::factor
* Fix Windows build (maybe)
2021-04-12 11:20:40 -07:00
Jakob Rath
f8562380d6
Fix pdd_manager::degree(PDD, unsigned) and add unit tests ( #5155 )
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* Fix pdd_manager::degree(PDD, unsigned) and add unit tests
* Another marking opportunity
2021-04-12 11:20:40 -07:00
Nikolaj Bjorner
446654b680
na
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2021-04-12 11:20:39 -07:00
Nikolaj Bjorner
2fef6dc502
more scaffolding
2021-03-21 11:31:14 -07:00
Lev Nachmanson
7ad95aa5d2
Nikolaj fixes pdd_manager::reduce() to work with the changed order
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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2020-01-28 10:04:21 -08:00
Lev Nachmanson
d9af0b1a01
Nikolaj implemented lm_lt on dd::pdd
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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2020-01-28 10:04:21 -08:00
Lev Nachmanson
d6a246777a
Nikolaj implemented lm_lt on dd::pdd
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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2020-01-28 10:04:21 -08:00
Lev Nachmanson
cca19ef1a7
unit tests for dd_pdd ordering
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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2020-01-28 10:04:21 -08:00
Lev Nachmanson
61da9a8aeb
test the new order on pdd
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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2020-01-28 10:04:21 -08:00
Lev Nachmanson
d310ae9060
rebase with Z3Prover
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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2020-01-28 10:04:21 -08:00
Lev Nachmanson
407c8a60db
reverse the order of vars for pdd_grobner, use pdd_grobner.reset()
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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2020-01-28 10:04:21 -08:00
Lev Nachmanson
5e19a52772
merge changes from Z3Prover
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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2020-01-28 10:04:21 -08:00
Lev Nachmanson
1d217595c8
add pdd_interval to evaluate intervals of pdd expressions
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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2020-01-28 10:04:21 -08:00
Lev Nachmanson
a9f09beb8e
add the pdd evaluator and a unit test for it
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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2020-01-28 10:04:21 -08:00
Nikolaj Bjorner
1d0572354b
add bit-matrix, avoid flattening and/or after bit-blasting, split pdd_grobner into solver/simplifier, add xlin, add smtfd option for incremental mode logic
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2020-01-01 20:14:20 -08:00
Nikolaj Bjorner
1fd4c91fbf
fixes to reset
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-12-28 15:31:20 -08:00
Lev Nachmanson
3aff0bd7db
add a unit test to pdd
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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
2019-12-22 19:37:29 -08:00
Nikolaj Bjorner
72b47ba519
use while loop for reduce
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-12-21 17:57:01 -08:00
Nikolaj Bjorner
a744a465e6
pdd fixes
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-12-17 21:25:18 -08:00
Nikolaj Bjorner
9e4a7ae4b8
add pdd
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2019-12-17 16:59:33 -08:00
