Created
August 13, 2010 19:59
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| definition module PascalsTriangle | |
| pascalsTriangle :: [[BigInt]] | |
| C :: Int Int -> BigInt |
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| implementation module PascalsTriangle | |
| import StdEnv, BigInt | |
| pascalsTriangle :: [[BigInt]] | |
| pascalsTriangle =: iterate f [one] where | |
| f xs = [a+b \\ a <- [zero:xs] & b <- xs++[zero]] | |
| C :: Int Int -> BigInt | |
| C x y = pascalsTriangle !! x !! y |
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