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authorDavid Terei <davidterei@gmail.com>2011-07-20 11:09:03 -0700
committerDavid Terei <davidterei@gmail.com>2011-07-20 11:26:35 -0700
commit16514f272fb42af6e9c7674a9bd6c9dce369231f (patch)
treee4f332b45fe65e2a7a2451be5674f887b42bf199 /testsuite/tests/concurrent/prog001/Utilities.hs
parentebd422aed41048476aa61dd4c520d43becd78682 (diff)
downloadhaskell-16514f272fb42af6e9c7674a9bd6c9dce369231f.tar.gz
Move tests from tests/ghc-regress/* to just tests/*
Diffstat (limited to 'testsuite/tests/concurrent/prog001/Utilities.hs')
-rw-r--r--testsuite/tests/concurrent/prog001/Utilities.hs17
1 files changed, 17 insertions, 0 deletions
diff --git a/testsuite/tests/concurrent/prog001/Utilities.hs b/testsuite/tests/concurrent/prog001/Utilities.hs
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+++ b/testsuite/tests/concurrent/prog001/Utilities.hs
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+module Utilities (toBinary, fl) where
+
+import Stream
+import Data.Ratio
+
+-- Convert from an Integer to its signed-digit representation
+toBinary :: Integer -> Stream
+toBinary 0 = [0]
+toBinary x = toBinary t ++ [x `mod` 2]
+ where t = x `div` 2
+
+
+
+fl :: Stream -> Stream
+fl (x:xs) = (f x):xs
+ where f 0 = 1
+ f 1 = 0