about summary refs log tree commit diff
path: root/third_party/bazel/rules_haskell/examples/vector/benchmarks/Algo/ListRank.hs
diff options
context:
space:
mode:
Diffstat (limited to 'third_party/bazel/rules_haskell/examples/vector/benchmarks/Algo/ListRank.hs')
-rw-r--r--third_party/bazel/rules_haskell/examples/vector/benchmarks/Algo/ListRank.hs21
1 files changed, 0 insertions, 21 deletions
diff --git a/third_party/bazel/rules_haskell/examples/vector/benchmarks/Algo/ListRank.hs b/third_party/bazel/rules_haskell/examples/vector/benchmarks/Algo/ListRank.hs
deleted file mode 100644
index 933bd8eb2e..0000000000
--- a/third_party/bazel/rules_haskell/examples/vector/benchmarks/Algo/ListRank.hs
+++ /dev/null
@@ -1,21 +0,0 @@
-module Algo.ListRank
-where
-
-import Data.Vector.Unboxed as V
-
-listRank :: Int -> Vector Int
-{-# NOINLINE listRank #-}
-listRank n = pointer_jump xs val
-  where
-    xs = 0 `V.cons` V.enumFromTo 0 (n-2)
-
-    val = V.zipWith (\i j -> if i == j then 0 else 1)
-                    xs (V.enumFromTo 0 (n-1))
-
-    pointer_jump pt val
-      | npt == pt = val
-      | otherwise = pointer_jump npt nval
-      where
-        npt  = V.backpermute pt pt
-        nval = V.zipWith (+) val (V.backpermute val pt)
-