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Author SHA1 Message Date
Leonardo de Moura 191e503418 Fix bug. Improve nl_nz_sqf_isolate_roots 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-10 12:51:54 -08:00
Leonardo de Moura 71ab7759d1 Add root method (syntax sugar for isolate_roots) 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-10 12:23:37 -08:00
Leonardo de Moura 1a7d39f9a0 Add refine_algebraic_interval 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-10 12:09:07 -08:00
Leonardo de Moura 4a0b431cf4 Add mk_algebraic method 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-10 11:13:21 -08:00
Christoph M. Wintersteiger dd127c2f71 Java API: bugfix 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2013-01-10 18:16:29 +00:00
Christoph M. Wintersteiger 3482b8f4f1 .NET API: bugfix 
Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
 2013-01-10 18:08:56 +00:00
Leonardo de Moura 872165fa55 Add more tracing to sign_det_isolate_roots 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-10 09:17:22 -08:00
Leonardo de Moura eca78aa9c6 Fix incorrect assertions and bug 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-10 08:52:25 -08:00
Leonardo de Moura 191de6f7b5 Fix test program 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-10 08:01:42 -08:00
Leonardo de Moura d644b37ac1 Add non naive sign determination algorithm 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-09 22:35:39 -08:00
Leonardo de Moura 1712f0a33b Add goodies 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-09 18:43:32 -08:00
Leonardo de Moura 81807c7001 Add procedure for computing TaQ(Q, P; a, b) 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-09 13:37:10 -08:00
Leonardo de Moura b662bc8dc7 Add lower and upper bounds for negative and positive roots 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-09 11:16:04 -08:00
Leonardo de Moura 9c8b428ffb Add matrix operations needed for implementing non-naive sign determination 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-08 17:58:34 -08:00
Leonardo de Moura ff809db16d Add get_int and get_uint to mpz_manager 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-08 15:40:19 -08:00
Leonardo de Moura e01a7b6268 Fix memory management bugs 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-07 17:31:53 -08:00
Leonardo de Moura 5873a59769 Add root upper bounds estimation 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-07 16:23:30 -08:00
Leonardo de Moura 4ea06b8040 Fix Z3_enable_trace API 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-07 16:22:47 -08:00
Leonardo de Moura 56db84a0e5 Fix RCF API logging bug 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-07 15:10:16 -08:00
Leonardo de Moura 09b5724d82 Simplify RCF C API. Add Z3_rcf_mk_roots (C API) and MkRoots (Python API). Implement basic root isolation support. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-07 12:25:28 -08:00
Leonardo de Moura 3c1f1a3b65 Fix bug in realclosure::compare function 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-06 21:50:36 -08:00
Leonardo de Moura 3e19df0441 Fix API logging bug 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-06 21:25:46 -08:00
Leonardo de Moura 4d578b418f Fix bug in approx_div 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-06 21:15:37 -08:00
Leonardo de Moura 1c8101419b Add Python API for RCF module 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-06 20:59:00 -08:00
Leonardo de Moura 9fbbdb56e4 Implement RCF external C API 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-06 20:06:27 -08:00
Leonardo de Moura f1d47f35b2 Add refine interval infrastructure 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-06 18:30:41 -08:00
Leonardo de Moura c01f27fe13 Add small interval caching infrastructure 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-06 10:46:38 -08:00
Leonardo de Moura 47c6a73e19 Add RCF external API skeletons 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-05 22:24:56 -08:00
Leonardo de Moura ecb58091f7 Add support for transcendental values such as pi and e, and the power operator 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-05 21:26:12 -08:00
Leonardo de Moura ae1da72cb7 Implement compare 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-05 20:21:49 -08:00
Leonardo de Moura 3ffda25350 Implement add, sub, mul, div, inv, neg 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-05 18:43:57 -08:00
Leonardo de Moura 322d355290 Simplify data-structures 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-05 11:51:58 -08:00
Leonardo de Moura 14827e94f0 Fix typos and bugs. Add tests. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-04 15:01:27 -08:00
Leonardo de Moura ff62948d90 Add div and inv for binary rational intervals 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-04 12:31:28 -08:00
Leonardo de Moura c430fe26aa Add ite operator to the C++ API 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-04 08:29:25 -08:00
Leonardo de Moura 0203fa56d2 Add tests 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-04 08:11:33 -08:00
Leonardo de Moura 9ede98a029 Fix bugs 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-04 08:09:20 -08:00
Leonardo de Moura 15ed819fbd Implement mk_transcendental. Replace extension_ref with extension *. Remove m_to_delete 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-03 22:09:43 -08:00
Leonardo de Moura 1ed275b801 Fix typo 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-03 22:08:32 -08:00
Leonardo de Moura 6160b2891b Change representation for values in the module for encoding infinitesimals, algebraic extensions and transcendal extensions. Implement basic polynomial operations for polynomials in this field 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-03 17:47:23 -08:00
Leonardo de Moura ed5b106574 Add support for ref_buffers with different initial sizes. Add shrink and operator= methods. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-03 17:45:28 -08:00
Leonardo de Moura f324724abc Fix typo 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-03 17:43:48 -08:00
Nikolaj Bjorner f8f23382dc bug fix: unsound pruning of assumptions. remove deprecated reduce() feature from smt_kernel 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-01-03 17:36:21 -08:00
Leonardo de Moura 70baa3c8c9 Add nlsat.factor option. This is a workaround for the slow factorization procedure. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-02 21:18:02 -08:00
Leonardo de Moura 8a69e8a283 Merge 2013-01-02 21:15:51 -08:00
Leonardo de Moura 2cc3e3745e Fix gcc compilation error 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-02 21:14:22 -08:00
Nikolaj Bjorner eee4b1a37b fix g++ build 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-01-02 20:17:33 -08:00
Leonardo de Moura edf62481e9 Add skeleton for the realclosure package 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-01-02 18:08:42 -08:00
Nikolaj Bjorner 51a5d22f23 experiments wtih QHC 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-01-02 09:50:31 -08:00
Nikolaj Bjorner d318aab7d1 experiments wtih QHC 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2013-01-02 09:49:27 -08:00