Mercurial > hg > Members > atton > delta_monad

annotate delta.hs @ 52:69a01cc80075

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Define Delta for Infinite changes in Haskell
author Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
date Wed, 19 Nov 2014 13:33:37 +0900
parents 8d9c55bac8b2
children 1e6fecb54f1f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
17
279ebcf670c4 Define Similar as Applicative
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 16
diff changeset
1 import Control.Applicative
18
c77397d0677f Try define Similar as Monad
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 17
diff changeset
2 import Data.Numbers.Primes -- $ cabal install primes
c77397d0677f Try define Similar as Monad
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 17
diff changeset
3
52
69a01cc80075 Define Delta for Infinite changes in Haskell
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
4 type DeltaLog = [String]
69a01cc80075 Define Delta for Infinite changes in Haskell
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
5
69a01cc80075 Define Delta for Infinite changes in Haskell
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
6 data Delta a = Mono DeltaLog a | Delta DeltaLog a (Delta a) deriving Show
44
6e270dfe2bb9 Define pretty-print for Delta
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 43
diff changeset
7
52
69a01cc80075 Define Delta for Infinite changes in Haskell
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
8 logAppend :: DeltaLog -> Delta a -> Delta a
69a01cc80075 Define Delta for Infinite changes in Haskell
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
9 logAppend l (Mono lx x) = Mono (l ++ lx) x
69a01cc80075 Define Delta for Infinite changes in Haskell
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
10 logAppend l (Delta lx x d) = Delta (l ++ lx) x (logAppend l d)
17
279ebcf670c4 Define Similar as Applicative
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 16
diff changeset
11
52
69a01cc80075 Define Delta for Infinite changes in Haskell
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
12 deltaAppend :: Delta a -> Delta a -> Delta a
69a01cc80075 Define Delta for Infinite changes in Haskell
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
13 deltaAppend (Mono lx x) d = Delta lx x d
69a01cc80075 Define Delta for Infinite changes in Haskell
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
14 deltaAppend (Delta lx x d) ds = Delta lx x (deltaAppend d ds)
47
1aefea69f71b Implement bubble sort by delta
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 46
diff changeset
15
52
69a01cc80075 Define Delta for Infinite changes in Haskell
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
16 firstDelta :: Delta a -> Delta a
69a01cc80075 Define Delta for Infinite changes in Haskell
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
17 firstDelta d@(Mono _ _) = d
69a01cc80075 Define Delta for Infinite changes in Haskell
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
18 firstDelta (Delta lx x _) = Mono lx x
14
116131b196bb Define fmap and mu
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 13
diff changeset
19
52
69a01cc80075 Define Delta for Infinite changes in Haskell
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
20 tailDelta :: Delta a -> Delta a
69a01cc80075 Define Delta for Infinite changes in Haskell
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
21 tailDelta d@(Mono _ _) = d
69a01cc80075 Define Delta for Infinite changes in Haskell
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
22 tailDelta (Delta _ _ ds) = ds
18
c77397d0677f Try define Similar as Monad
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 17
diff changeset
23
43
90b171e3a73e Rename to Delta from Similar
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 23
diff changeset
24 instance Functor Delta where
52
69a01cc80075 Define Delta for Infinite changes in Haskell
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
25 fmap f (Mono lx x) = Mono lx (f x)
69a01cc80075 Define Delta for Infinite changes in Haskell
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
26 fmap f (Delta lx x d) = Delta lx (f x) (fmap f d)
18
c77397d0677f Try define Similar as Monad
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 17
diff changeset
27
43
90b171e3a73e Rename to Delta from Similar
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 23
diff changeset
28 instance Applicative Delta where
52
69a01cc80075 Define Delta for Infinite changes in Haskell
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
29 pure f = Mono [] f
69a01cc80075 Define Delta for Infinite changes in Haskell
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
30 (Mono lf f) <*> (Mono lx x) = Mono (lf ++ lx) (f x)
69a01cc80075 Define Delta for Infinite changes in Haskell
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
31 df@(Mono lf f) <*> (Delta lx x d) = Delta (lf ++ lx) (f x) (df <*> d)
69a01cc80075 Define Delta for Infinite changes in Haskell
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
32 (Delta lf f df) <*> d@(Mono lx x) = Delta (lf ++ lx) (f x) (df <*> d)
69a01cc80075 Define Delta for Infinite changes in Haskell
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
33 (Delta lf f df) <*> (Delta lx x d) = Delta (lf ++ lx) (f x) (df <*> d)
69a01cc80075 Define Delta for Infinite changes in Haskell
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
34
20
d4aa70d94352 Define Similar as Applicative
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 19
diff changeset
35
43
90b171e3a73e Rename to Delta from Similar
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 23
diff changeset
36 mu :: Delta (Delta a) -> Delta a
52
69a01cc80075 Define Delta for Infinite changes in Haskell
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
37 mu (Mono ld d) = logAppend ld d
69a01cc80075 Define Delta for Infinite changes in Haskell
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
38 mu (Delta ld d ds) = (logAppend ld $ firstDelta d) `deltaAppend` (mu $ fmap tailDelta ds)
18
c77397d0677f Try define Similar as Monad
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 17
diff changeset
39
43
90b171e3a73e Rename to Delta from Similar
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 23
diff changeset
40 instance Monad Delta where
52
69a01cc80075 Define Delta for Infinite changes in Haskell
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
41 return x = Mono [] x
69a01cc80075 Define Delta for Infinite changes in Haskell
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
42 d >>= f = mu $ fmap f d
18
c77397d0677f Try define Similar as Monad
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 17
diff changeset
43
43
90b171e3a73e Rename to Delta from Similar
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 23
diff changeset
44 returnS :: (Show s) => s -> Delta s
52
69a01cc80075 Define Delta for Infinite changes in Haskell
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
45 returnS x = Mono [(show x)] x
0
7a82a5e50499 Initial commit. define to Functor for Similer
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents:
diff changeset
46
43
90b171e3a73e Rename to Delta from Similar
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 23
diff changeset
47 returnSS :: (Show s) => s -> s -> Delta s
52
69a01cc80075 Define Delta for Infinite changes in Haskell
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
48 returnSS x y = (returnS x) `deltaAppend` (returnS y)
69a01cc80075 Define Delta for Infinite changes in Haskell
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 51
diff changeset
49
23
b4d3960af901 Define similar constructor for different element
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 22
diff changeset
50
16
4b315cf0edb9 Improve mu definition
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 15
diff changeset
51 -- samples
3
3c5fbce357af Define >>= for Similer
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 2
diff changeset
52
43
90b171e3a73e Rename to Delta from Similar
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 23
diff changeset
53 generator :: Int -> Delta [Int]
21
af8754322ed4 Define Similar sample
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 20
diff changeset
54 generator x = let intList = [1..x] in
22
f0400c4c953f Imporve Similar definition. delete "Single" constructor
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 21
diff changeset
55 returnS intList
6
5e367a167382 Define samples
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 5
diff changeset
56
43
90b171e3a73e Rename to Delta from Similar
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 23
diff changeset
57 primeFilter :: [Int] -> Delta [Int]
21
af8754322ed4 Define Similar sample
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 20
diff changeset
58 primeFilter xs = let primeList = filter isPrime xs
23
b4d3960af901 Define similar constructor for different element
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 22
diff changeset
59 refactorList = filter even xs in
b4d3960af901 Define similar constructor for different element
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 22
diff changeset
60 returnSS primeList refactorList
11
e8a5df54480e Define sample for Monad style
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 10
diff changeset
61
43
90b171e3a73e Rename to Delta from Similar
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 23
diff changeset
62 count :: [Int] -> Delta Int
21
af8754322ed4 Define Similar sample
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 20
diff changeset
63 count xs = let primeCount = length xs in
22
f0400c4c953f Imporve Similar definition. delete "Single" constructor
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 21
diff changeset
64 returnS primeCount
15
c599d2236d19 Similar as Monad
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 14
diff changeset
65
43
90b171e3a73e Rename to Delta from Similar
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 23
diff changeset
66 primeCount :: Int -> Delta Int
21
af8754322ed4 Define Similar sample
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 20
diff changeset
67 primeCount x = generator x >>= primeFilter >>= count
46
cb5c190aa45d Define bubble sort
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 45
diff changeset
68
cb5c190aa45d Define bubble sort
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 45
diff changeset
69 bubbleSort :: [Int] -> Delta [Int]
48
820af7cc8485 Wrote >>= style bubble sort
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 47
diff changeset
70 bubbleSort [] = returnS []
49
d654fdecdcd0 Wrote bubble sort with modified calculate
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
71 bubbleSort xs = bubbleSort remainValue >>= (\xs -> returnSS (sortedValueL : xs)
d654fdecdcd0 Wrote bubble sort with modified calculate
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 48
diff changeset
72 (sortedValueR ++ xs))
46
cb5c190aa45d Define bubble sort
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 45
diff changeset
73 where
51
8d9c55bac8b2 Fix typo
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
74 maximumValue = maximum xs
8d9c55bac8b2 Fix typo
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
75 sortedValueL = maximumValue
8d9c55bac8b2 Fix typo
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
76 sortedValueR = replicate (length $ filter (== maximumValue) xs) maximumValue
8d9c55bac8b2 Fix typo
Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
parents: 49
diff changeset
77 remainValue = filter (/= maximumValue) xs