[match/match.git] / program / Instance.hs

module Instance where
import Data.Array.IArray
import Data.Array.Unboxed
import ArrayStuff
import Formatter

type Wt = Double -- must implement RealFrac

data Instance = Instance
	Int                 -- numReviewers
	Int                 -- numProposals
	(UArray Int Wt)     -- ! reviewer -> relative load
	(UArray (Int, Int) Wt) -- ! (reviewer, proposal) -> pref
	deriving Eq

instance Show Instance where
	show (Instance numRvrs numProps loadA prefA) =
		let theRvrs = [0..numRvrs-1]; theProps = [0..numProps-1] in
		"Instance with " ++ show numRvrs ++ " reviewers and " ++ show numProps ++ " proposals:\n" ++ formatTable (
			    (       ""              : map (\i -> "R#" ++ show i       ) theRvrs) :
			    (       "RLoad"         : map (\i -> show (loadA ! i)     ) theRvrs) :
			map (\j -> ("P#" ++ show j) : map (\i -> show (prefA ! (i, j))) theRvrs) theProps
		)
Commit	Line	Data
967c39ef MM	1	module Instance where
	2	import Data.Array.IArray
	3	import Data.Array.Unboxed
	4	import ArrayStuff
	5	import Formatter
	6
	7	type Wt = Double -- must implement RealFrac
	8
	9	data Instance = Instance
	10	Int -- numReviewers
	11	Int -- numProposals
	12	(UArray Int Wt) -- ! reviewer -> relative load
	13	(UArray (Int, Int) Wt) -- ! (reviewer, proposal) -> pref
	14	deriving Eq
	15
	16	instance Show Instance where
	17	show (Instance numRvrs numProps loadA prefA) =
5a07db44 MM	18	let theRvrs = [0..numRvrs-1]; theProps = [0..numProps-1] in
	19	"Instance with " ++ show numRvrs ++ " reviewers and " ++ show numProps ++ " proposals:\n" ++ formatTable (
	20	( "" : map (\i -> "R#" ++ show i ) theRvrs) :
	21	( "RLoad" : map (\i -> show (loadA ! i) ) theRvrs) :
	22	map (\j -> ("P#" ++ show j) : map (\i -> show (prefA ! (i, j))) theRvrs) theProps
	23	)