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fix error in select.

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This commit is contained in:
David Roundy 2007-06-01 18:31:47 +00:00
parent 7ce66ce32a
commit b7c65599b7
1 changed files with 2 additions and 2 deletions
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4
Anneal.hs
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@ -57,8 +57,8 @@ metropolis x = do r <- gets rate
then modify $ \s -> s { current = rx }
else return ()
select :: [a] -> State (Anneal x) a
select [] = error "empty list in select"
select :: [a] -> State (Anneal a) a
select [] = the_value `fmap` gets best
select [x] = return x
select xs = do n <- getOne (0,length xs - 1)
return (xs !! n)