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967c39ef MM |
1 | module Test ( |
2 | -- Export everything we need to have fun in GHCi: | |
967c39ef | 3 | module Test, |
fd0d2377 | 4 | module TestUtils, |
967c39ef MM |
5 | |
6 | -- Generate instances. | |
7 | module Instance, | |
8 | module InstanceGenerator, | |
9 | ||
10 | -- Solve instances. | |
11 | module ProposalMatcher, | |
12 | module ProposalMatcherConfig, | |
13 | ||
14 | -- Run randomized things. | |
15 | module System.Random, | |
fd0d2377 | 16 | module RandomizedMonad |
967c39ef | 17 | ) where |
fd0d2377 | 18 | import TestUtils |
967c39ef MM |
19 | import Instance |
20 | import InstanceGenerator | |
21 | import ProposalMatcher | |
fd0d2377 | 22 | import ProposalMatcherConfig hiding (Wt) |
967c39ef MM |
23 | import System.Random |
24 | import RandomizedMonad | |
967c39ef MM |
25 | |
26 | -- Other imports we need | |
d7d9561e | 27 | import BellmanFord |
967c39ef MM |
28 | import Data.Array.IArray |
29 | import Data.Array.Unboxed | |
d7d9561e MM |
30 | import Data.Graph.Inductive.Graph |
31 | import Data.Graph.Inductive.Tree | |
967c39ef | 32 | import ArrayStuff |
2e7d5426 | 33 | |
2ed0056e | 34 | -- TESTING GRAPH ALGORITHMS |
d7d9561e | 35 | myGraph = mkGraph [(0, ()), (1, ()), (2, ())] |
5a07db44 | 36 | [(0, 1, (0, 2)), (0, 2, (1, 3)), (2, 1, (2, -2))] :: Gr () (Int, Int) |
d7d9561e | 37 | |
5a07db44 | 38 | bfResult = bellmanFord snd 0 myGraph |
d7d9561e | 39 | |
5a07db44 MM |
40 | flowArray = minCostFlow (0, 2) fst (const 1) snd myGraph (0, 1) |
41 | ||
42 | myNCGraph = mkGraph [(0, ())] [(0, 0, -1)] :: Gr () Int | |
43 | bfNCResult = bellmanFord id 0 myNCGraph | |
44 | ||
2ed0056e | 45 | -- PROPOSAL-MATCHING EXAMPLES |
d7d9561e MM |
46 | -- Example from idea book p. 425 |
47 | {- | |
48 | (myNumRvrs, myNumProps) = (4, 3) | |
49 | ||
50 | myPrefsArray = array ((0,0), (myNumRvrs-1,myNumProps-1)) [ | |
51 | ((0, 0), 15), ((1, 0), 10), ((2, 0), 15), ((3, 0), 40), | |
52 | ((0, 1), 30), ((1, 1), 7), ((2, 1), 10), ((3, 1), 15), | |
53 | ((0, 2), 15), ((1, 2), 25), ((2, 2), 20), ((3, 2), 20) | |
54 | ] | |
55 | -} | |
56 | ||
57 | (myNumRvrs, myNumProps) = (5, 3) | |
58 | ||
967c39ef MM |
59 | myPrefs = transposeArray $ listArray ((0,0), (myNumProps-1,myNumRvrs-1)) [ |
60 | 15, 10, 15, 40, 20, | |
61 | 30, 7, 10, 15, 15, | |
62 | 15, 25, 20, 20, 15 | |
63 | ] :: UArray (Int, Int) Wt | |
d7d9561e | 64 | |
fd0d2377 | 65 | myInst = Instance myNumRvrs myNumProps (constArray (0, myNumRvrs-1) 1) myPrefs |
d7d9561e | 66 | |
5a07db44 MM |
67 | rdnResult = doReduction myInst |
68 | ReductionResult rrg rrso rrsi rreib rredi = rdnResult | |
69 | rdnFlowArray = minCostFlow rreib reIdx reCap reCost rrg (rrso, rrsi) | |
70 | rrg2 = flowAnnotate rrg rdnFlowArray | |
d7d9561e | 71 | myMatching = doMatching myInst |
2ed0056e MM |
72 | |
73 | iGraph = showInstanceAsGraph myInst myMatching -- Visualize me! |