satchmo-funsat (empty) → 1.3

raw patch · 4 files changed

+401/−0 lines, 4 filesdep +arraydep +basedep +containerssetup-changed

Dependencies added: array, base, containers, funsat, parse-dimacs, satchmo

Files

• Satchmo/Solver/Funsat.hs +43/−0
• Setup.hs +2/−0
• gpl-2.0.txt +339/−0
• satchmo-funsat.cabal +17/−0

@@ -0,0 +1,43 @@+module Satchmo.Solver.Funsat++( solve+)++where++import qualified Satchmo.Data+import qualified Satchmo.Solve+++import qualified Language.CNF.Parse.ParseDIMACS as ParseCNF+import qualified Funsat.Solver+import Funsat.Types++import Data.String+import Data.Array.Unboxed+import qualified Data.Map as M+import qualified Data.Set as S++solve = Satchmo.Solve.solve funsat++funsat :: Satchmo.Solve.Implementation+funsat cs = do+    let Right cnf = ParseCNF.parseByteString "satchmo"+                  $ fromString cs+        result @ ( sol, stats, mtrace ) = Funsat.Solver.solve1 $ asCNF cnf+    case result of+        ( Funsat.Solver.Sat a, _, _ ) -> +            return $ Just $ M.fromList $ do+                l <- litAssignment a+                return ( Satchmo.Data.literal $ abs $ unLit l, litSign l )+        _ -> return Nothing++-- | Convert parsed CNF to internal representation.+-- this code snippet is stolen from funsat-0.5.2/Main.hs+asCNF :: ParseCNF.CNF -> CNF+asCNF (ParseCNF.CNF v c is) =+    CNF { numVars    = v+        , numClauses = c+        , clauses    = S.fromList . map (map fromIntegral . elems) $ is +        }+

@@ -0,0 +1,2 @@+import Distribution.Simple+main = defaultMain

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@@ -0,0 +1,17 @@+Name:           satchmo-funsat+Version:        1.3++License:        GPL+License-file:	gpl-2.0.txt+Author:         Johannes Waldmann+Maintainer:	Johannes Waldmann+Homepage:       http://dfa.imn.htwk-leipzig.de/satchmo/+Synopsis:       funsat driver as backend for satchmo+description:	this driver calls funsat (download from hackage)+		to solve CNF-SAT constraints produced by satchmo+Build-depends: satchmo, funsat, parse-dimacs, base, containers, array+Exposed-modules:+        Satchmo.Solver.Funsat+hs-source-dirs:	.+extensions: +build-type: Simple