From 32032147aa5264987742f15f28889edfd117fd86 Mon Sep 17 00:00:00 2001
From: Kjetil Orbekk <kjetil.orbekk@gmail.com>
Date: Tue, 11 Aug 2015 11:00:17 -0400
Subject: Remove the haskell version.

---
 scheduling/Main.hs | 94 ------------------------------------------------------
 1 file changed, 94 deletions(-)
 delete mode 100644 scheduling/Main.hs

diff --git a/scheduling/Main.hs b/scheduling/Main.hs
deleted file mode 100644
index 3d08c30..0000000
--- a/scheduling/Main.hs
+++ /dev/null
@@ -1,94 +0,0 @@
-{-# LANGUAGE BangPatterns #-}
-
-import Debug.Trace
-import Control.Monad (forM_)
-import Data.Function (on)
-import Data.List (sortBy, unfoldr, maximumBy)
-import System.Random (RandomGen, randoms, getStdGen, split)
-import Data.HashSet (HashSet, fromList, member)
-import qualified Data.HashMap.Strict as M
-
-data Player = Player { name :: String
-                     , rank :: Int
-                     , matchLimit :: Int
-                     } deriving (Show, Eq)
-
-players :: [Player]
--- players = [ Player "orbekk" (-1) 4
---           , Player "ltsang" (-4) 4
---           , Player "sebh" 2 4
---           , Player "fringd" (-1) 4
---           , Player "sheyrax" (-2) 2
---           ]
-
-players = [Player "orbekk"	(-1)	4
-          , Player "sebh"	2	4
-          , Player "ltsang"	(-4)	4
-          , Player "fringd"	(-1)	4
-          , Player "tysonjh"	(-14)	4
-          , Player "shreyax"	(-2)	4
-          , Player "bensley"	(-16)	4
-          , Player "taosong"	1	4
-          , Player "jtnapoli" (-17)	4
-          , Player "woojlee"	(-7)	4
-          , Player "binfu"	4	4
-          , Player "wschudy"	(-13)	3
-          , Player "hoffstaetter" (-17)	4
-          , Player "wwall"	(-2)	3]
-
-
-score :: M.HashMap String Player -> [(String, String)] -> [(String, String)]
-    -> Int
-score players history [] = 0
-score players history ((p1, p2):ms) =
-  rankScore + recencyScore + score players history ms
-    where rankScore = 100 - 10 * (abs (getRank p1 - getRank p2))
-          getRank p = rank (players M.! p)
-          recencyScore = -10 * length (filter (==(p1, p2)) history)
-
-shuffle :: (RandomGen g) => g -> [a] -> [a]
-shuffle g xs = map snd $ sortBy (compare `on` fst) (zip rs xs)
-  where rs = randoms g :: [Int]
-
-matchOnce :: [String] -> [String] -> [(String, String)]
-matchOnce (p:ps) (q:qs)
-  | p == q    = matchOnce (p:ps) qs
-  | otherwise = (p', q') : matchOnce (filter (/=q) ps) (filter (/=p) qs)
-      where p' = min p q
-            q' = max p q
-matchOnce _ _ = []
-
-subtractMatches :: [(String, String)] -> [Player] -> [Player]
-subtractMatches matches players = fmap subtractMatch players
-  where matchPlayers :: HashSet String
-        matchPlayers = fromList (map fst matches ++ map snd matches)
-        subtractMatch p
-            | (name p) `member` matchPlayers =
-                  p { matchLimit = matchLimit p - 1 }
-            | otherwise = p
-
-matchPlayers :: (RandomGen g) => g -> [Player] -> [(String, String)]
-matchPlayers _ [] = []
-matchPlayers _ [p] = []
-matchPlayers g players = matches ++ matchPlayers g3 nextPlayers
-  where matches = matchOnce (shuffle g1 playerNames) (shuffle g2 playerNames)
-        playerNames = fmap name players
-        (g', g1) = split g
-        (g2, g3) = split g'
-        nextPlayers =
-            filter ((>0) . matchLimit) (subtractMatches matches players)
-
-iterativeMatchPlayers :: (RandomGen g) => g -> [Player] -> [[(String, String)]]
-iterativeMatchPlayers g players = unfoldr f (g, players)
-  where f (g, players) = Just (matchPlayers g1 players, (g2, players))
-                           where (g1, g2) = split g
-
-main = do
-  let n = 100000
-  g <- getStdGen
-  let playerMap = M.fromList (map (\p -> (name p, p)) players)
-  let matchups = take n $ iterativeMatchPlayers g players
-  let matchup = maximumBy (compare `on` score playerMap []) matchups
-  forM_ matchup $ \(p, q) ->
-    putStrLn $ p ++ " vs. " ++ q
-  putStrLn $ "Score: " ++ show (score playerMap [] matchup)
-- 
cgit v1.2.3