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Bryan O'Sullivan committed 09f19e7

Fix tiny typo

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Statistics/Transform.hs

 -- | Inverse discrete cosine transform (DCT-III). It's inverse of
 -- 'dct' only up to scale parameter:
 --
--- > (idct . dct) x = (* lenngth x)
+-- > (idct . dct) x = (* length x)
 idct :: U.Vector Double -> U.Vector Double
 idct = idctWorker . G.map (:+0)