| Tue, 03 Apr 2007 19:24:11 +0200 | 
wenzelm | 
removed assert/deny (avoid clash with Alice keywords and confusion due to strict evaluation);
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| Wed, 31 Jan 2007 16:05:13 +0100 | 
haftmann | 
dropped Output.update_warn
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| Fri, 15 Dec 2006 00:08:06 +0100 | 
wenzelm | 
avoid conflict with Alice keywords: renamed pack -> implode, unpack -> explode, any -> many, avoided assert;
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| Thu, 09 Nov 2006 18:58:52 +0100 | 
webertj | 
timing/tracing code removed
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| Thu, 09 Nov 2006 18:48:45 +0100 | 
webertj | 
interpreters for fst and snd added
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| Sat, 02 Sep 2006 01:10:10 +0200 | 
webertj | 
zchaff_with_proofs: proof is a reference now
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| Thu, 31 Aug 2006 02:22:05 +0200 | 
webertj | 
read_dimacs_cnf_file ignores more comment lines
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| Wed, 19 Jul 2006 02:35:22 +0200 | 
webertj | 
MiniSat proof trace format changed; MiniSat is now expected to produce a proof also for "trivial" problems
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| Mon, 17 Jul 2006 15:16:17 +0200 | 
webertj | 
butlast removed (use fst o split_last instead)
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| Mon, 17 Jul 2006 00:37:06 +0200 | 
webertj | 
support for MiniSat proof traces added
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| Fri, 07 Jul 2006 02:12:52 +0200 | 
webertj | 
added support for MiniSat 1.14
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| Sun, 05 Mar 2006 18:49:13 +0100 | 
webertj | 
fixed a typo in a comment
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| Sat, 14 Jan 2006 17:14:06 +0100 | 
wenzelm | 
sane ERROR handling;
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| Sat, 24 Sep 2005 07:10:57 +0200 | 
webertj | 
bugfix in "zchaff_with_proofs"
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| Sat, 24 Sep 2005 02:53:08 +0200 | 
webertj | 
parse_std_result_file renamed to read_std_result_file
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| Thu, 22 Sep 2005 13:52:55 +0200 | 
webertj | 
solver "auto" does not reverse the list of solvers anymore
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| Wed, 21 Sep 2005 22:01:09 +0200 | 
webertj | 
zchaff_with_proofs does not delete zChaff\s resolve_trace file anymore
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| Wed, 21 Sep 2005 10:33:59 +0200 | 
haftmann | 
introduced AList module
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| Tue, 20 Sep 2005 19:38:35 +0200 | 
webertj | 
bugfix in "zchaff_with_proofs"
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| Tue, 20 Sep 2005 00:16:29 +0200 | 
webertj | 
using curried Inttab.update_new function now
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| Mon, 19 Sep 2005 23:45:59 +0200 | 
webertj | 
SAT solver interface modified to support proofs of unsatisfiability
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| Tue, 26 Jul 2005 15:29:37 +0200 | 
webertj | 
write_dimacs_sat_file and write_dimacs_cnf_file now write the file in chunks
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| Tue, 26 Jul 2005 14:31:42 +0200 | 
webertj | 
replaced calls to PropLogic.auxcnf by PropLogic.defcnf again
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| Tue, 26 Jul 2005 12:40:52 +0200 | 
webertj | 
write_dimacs_sat_file writes outer parentheses again
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| Tue, 26 Jul 2005 12:23:10 +0200 | 
webertj | 
replaced calls to PropLogic.defcnf by PropLogic.auxcnf
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| Thu, 21 Jul 2005 18:52:17 +0200 | 
webertj | 
write_dimacs_sat_file now generates slightly smaller files
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| Sun, 05 Jun 2005 11:57:14 +0200 | 
wenzelm | 
replaced File.sysify_path by Path.pack;
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| Fri, 11 Mar 2005 16:56:48 +0100 | 
webertj | 
minor Library.option related modifications
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| Thu, 03 Mar 2005 12:43:01 +0100 | 
skalberg | 
Move towards standard functions.
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| Sun, 13 Feb 2005 17:15:14 +0100 | 
skalberg | 
Deleted Library.option type.
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| Thu, 25 Nov 2004 14:44:52 +0100 | 
webertj | 
added ZCHAFF_VERSION
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| Wed, 24 Nov 2004 19:51:33 +0100 | 
webertj | 
Removed a "Matches are not exhaustive" warning
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| Tue, 23 Nov 2004 15:36:39 +0100 | 
webertj | 
external solvers may now overwrite existing temporary files
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| Fri, 19 Nov 2004 15:05:10 +0100 | 
webertj | 
solver auto now returns the result of the first solver that does not raise NOT_CONFIGURED (which may be UNKNOWN)
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| Sat, 14 Aug 2004 16:27:56 +0200 | 
webertj | 
bugfix in read_dimacs_cnf_file
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| Mon, 12 Jul 2004 19:56:58 +0200 | 
webertj | 
read_dimacs_cnf_file added
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| Tue, 22 Jun 2004 14:14:08 +0200 | 
webertj | 
faster conversion into DIMACS CNF and DIMACS SAT format
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| Thu, 17 Jun 2004 22:01:23 +0200 | 
webertj | 
new SAT solver interface
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| Wed, 26 May 2004 17:42:46 +0200 | 
webertj | 
solver "auto" now issues a warning when it uses solver "enumerate"
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| Mon, 17 May 2004 14:05:06 +0200 | 
webertj | 
Comments fixed
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| Tue, 04 May 2004 18:04:28 +0200 | 
webertj | 
redundant clause removed
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| Fri, 02 Apr 2004 17:28:16 +0200 | 
webertj | 
fixed dpll solver (now uses NNF)
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| Fri, 26 Mar 2004 19:58:43 +0100 | 
webertj | 
satsolver=dpll
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| Fri, 26 Mar 2004 12:21:50 +0100 | 
webertj | 
Installed solvers now determined at call time (as opposed to compile time)
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| Thu, 11 Mar 2004 00:15:24 +0100 | 
webertj | 
SML/NJ compatibility fixes
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| Wed, 10 Mar 2004 20:28:18 +0100 | 
webertj | 
Internal and external SAT solvers
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