Adds samples for the clean programming language

samples/Clean/streams.icl

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+implementation module streams
+
+import StdEnv
+
+instance zero [Real]
+where
+        zero = [] //Infinite row of zeroes represented as empty list to ease computation
+
+instance one [Real]
+where
+        one = [1.0:zero]
+
+instance + [Real]
+where
+        (+) [s:s`] [t:t`] = [s+t:s`+t`]
+        (+) [s:s`] [] = [s:s`]
+        (+) [] [t:t`] = [t:t`]
+        (+) [] [] = []
+        
+instance - [Real]
+where
+        (-) [s:s`] [t:t`] = [s-t:s`-t`]
+        (-) [s:s`] [] = [s:s`]
+        (-) [] [t:t`] = [-1.0] * [t:t`]
+        (-) [] [] = []
+
+instance * [Real]
+where
+        (*) [s:s`] [t:t`] = [s*t:s`*[t:t`]+[s]*t`]
+        (*) _ _ = []
+
+instance / [Real]
+where
+        (/) s t = s * (invert t)
+
+X :: [Real]
+X = [0.0:one]
+
+invert :: [Real] -> [Real]
+invert [s:s`] = [1.0/s:(invert [s:s`]) * s` * [-1.0/s]]
+
+pow :: [Real] Int -> [Real]
+pow s 0 = one
+pow s n = s * pow s (n-1)
+
+(shuffle) infixl 7 :: [Real] [Real] -> [Real]
+(shuffle) [s:s`] [t:t`] = [s*t:s` shuffle [t:t`] + [s:s`] shuffle t`]
+(shuffle) _ _ = []
+