lda-0.0.1: NLP/LDA/Utils.hs

module NLP.LDA.Utils
       ( count
       )
where       
import qualified Data.IntMap as IntMap  

count :: Int -> IntMap.IntMap Double -> Double
count z t = case IntMap.findWithDefault 0 z t of
        n | n < 0 -> error "NLP.LDA.Utils.count: negative count"
        n -> n
{-# INLINE count #-}