Nikolaj Bjorner
c0de1e34ac
working on upper bound optimziation
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-11-03 14:54:42 -08:00
Nikolaj Bjorner
3c6f0c737a
debugging infinite upper bound checking
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-11-01 17:26:27 -07:00
Nikolaj Bjorner
2a907ea52a
fix objective value regression in simplex maximation
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-11-01 12:45:26 -07:00
Nikolaj Bjorner
87141f4cb3
fix bugs
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-10-31 22:09:52 -07:00
Nikolaj Bjorner
72e82532b2
enabling upper bound test
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-10-31 09:43:15 -07:00
Nikolaj Bjorner
5106c74b3e
preparing for inf extension of arithmetic
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-10-31 02:13:24 -07:00
Anh-Dung Phan
a6e103dd36
Make a few variables private
2013-10-30 06:30:51 +01:00
Nikolaj Bjorner
bc44bcad10
push blocking code to optimizer context
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-10-29 20:26:54 -07:00
Anh-Dung Phan
b67d333cf9
First complete version of Network Simplex
2013-10-29 18:32:10 -07:00
Nikolaj Bjorner
7c8fbbb06a
fixing bug with optimization
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-10-24 12:03:05 +08:00
Nikolaj Bjorner
11010086be
fixing bug with optimization
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-10-24 11:57:30 +08:00
Anh-Dung Phan
3441fc2942
A few changes based on previous reviews
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Tested the optimization procedure with:
- unbounded objectives
- bounded with rational solutions
- bounded with irrational solutions
2013-10-21 17:25:34 -07:00
Phan Anh Dung
53f78f7d19
Replace the use of optional<rational> by inf_eps_rational<rational>
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Also handle composite objectives correctly.
2013-10-19 06:03:21 +02:00
Anh-Dung Phan
a44044fb15
A rudimentary version of MathSAT optimization
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Remarks:
(1) The core procedure accepts maximization only
(2) Add lazy initialization to min_maximize_cmd
(3) The procedure isn't working with composite objective yet.
2013-10-18 18:00:24 -07:00
Nikolaj Bjorner
898609a3ef
cleanup macro usage
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-10-17 20:50:33 -07:00
Nikolaj Bjorner
cfedbe3dfd
add opt_solver layer
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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
2013-10-17 17:33:43 -07:00
Leonardo de Moura
1a11196211
fixing bug introduced today
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2012-12-05 16:21:53 -08:00
Leonardo de Moura
3736c5ea3b
removed template specialization overkill
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2012-12-05 08:56:19 -08:00
Leonardo de Moura
1ebfcfc2cb
removing fat
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2012-10-31 14:21:22 -07:00
Leonardo de Moura
add684d8e9
checkpoint
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2012-10-21 13:32:12 -07:00
