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29 Commits

Author SHA1 Message Date
Claire Wolf 65a3ff69bd Improve ezsat onehot encoding scheme 
Signed-off-by: Claire Wolf <claire@symbioticeda.com>
 2020-04-02 12:22:28 +02:00
Claire Wolf f72b65b2a5 Using LFSR counter for ezSAT::manyhot() 
The only user of this API right now is the puzzle3d benchmark and
it sees a slight reduction in CNF size from this, but the performance
difference is within the noise of measurement on my system.

Signed-off-by: Claire Wolf <claire@symbioticeda.com>
 2020-04-02 11:37:12 +02:00
Clifford Wolf 0d7fd2585e Added "int ceil_log2(int)" function 2016-02-13 16:52:16 +01:00
Clifford Wolf 6c84341f22 Fixed trailing whitespaces 2015-07-02 11:14:30 +02:00
Clifford Wolf 2a9ad48eb6 Added ENABLE_NDEBUG makefile options 2015-01-24 12:16:46 +01:00
Clifford Wolf 29a555ec7e Added statehash to ezSAT 2014-12-29 17:10:37 +01:00
Clifford Wolf 84ffe04075 Fixed various VS warnings 2014-10-18 15:20:38 +02:00
Clifford Wolf b3a6f8f530 More win32 (mxe and vs) build fixes 2014-10-17 16:04:59 +02:00
Clifford Wolf 7df8cbe2a9 Not using std::to_string in ezsat (problems with mingw) 2014-10-11 10:46:50 +02:00
Clifford Wolf 7cb0d3aa1a Renamed TRUE/FALSE to CONST_TRUE/CONST_FALSE because of name collision on Win32 2014-10-10 17:07:24 +02:00
Clifford Wolf 9b566a7efa Added native support for shift operations to ezSAT 2014-07-30 18:37:17 +02:00
Clifford Wolf b1d520949b Added ezSAT::keep_cnf() and ezSAT::non_incremental() 2014-07-21 02:01:32 +02:00
Clifford Wolf 91704a7853 Merged a few fixes for non-posix systems from github.com/Siesh1oo/yosys 
(see https://github.com/cliffordwolf/yosys/pull/28)
 2014-03-11 14:24:24 +01:00
Clifford Wolf d5bd93997c ezSAT: Added frozen_literal() API 2014-03-03 02:13:17 +01:00
Clifford Wolf 895e9fc70c ezSAT: Fixed handling of eliminated Literals, added auto-freeze for expressions 2014-03-03 02:12:45 +01:00
Clifford Wolf d500bd749f Added ezSAT::eliminated API to help the SAT solver remember eliminated variables 2014-03-01 21:00:34 +01:00
Clifford Wolf 23f0a12c72 ezSAT bugfix: don't call virtual methods in base class constructor 2014-03-01 20:59:00 +01:00
Clifford Wolf edc2146056 Removed ezSAT::assumed() API 2014-03-01 20:55:06 +01:00
Clifford Wolf e3debea4e6 Removed ezSAT built-in brute-froce solver 2014-03-01 20:53:09 +01:00
Clifford Wolf dab1612f81 Added support for Minisat::SimpSolver + ezSAT frezze() API 2014-02-23 01:35:59 +01:00
Clifford Wolf 61a2bf57b4 Improved non-verbose ezSAT::printDIMACS() format 2014-02-18 09:25:41 +01:00
Clifford Wolf 11e8118589 Added ezsat vec_const() api 2013-11-25 15:10:32 +01:00
Clifford Wolf 457dc09cdc Added ezsat api for creation of anonymous vectors 2013-08-15 14:40:26 +02:00
Clifford Wolf ccf36cb7d8 Added SAT support for $div and $mod cells 2013-08-11 16:27:15 +02:00
Clifford Wolf 8fbb5b6240 Added timout functionality to SAT solver 2013-06-20 12:49:10 +02:00
Clifford Wolf 1bee82ae2d Fixed gcc build (c++11 stuff in ezSAT) 2013-06-12 10:18:01 +02:00
Clifford Wolf 25ae2d4df0 Fixes and improvements in ezSAT library 2013-06-08 12:14:20 +02:00
Clifford Wolf 56b593b91c Improved sat generator and sat_solve pass 2013-06-07 14:37:33 +02:00
Clifford Wolf 3371563f2f Added ezSAT library 2013-06-07 10:38:35 +02:00