1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
module Tests.Matrix (tests) where
import Statistics.Matrix hiding (map)
import Statistics.Matrix.Algorithms
import Test.Framework (Test, testGroup)
import Test.Framework.Providers.QuickCheck2 (testProperty)
import Test.QuickCheck
import Tests.ApproxEq (ApproxEq(..))
import Tests.Matrix.Types
import qualified Data.Vector.Unboxed as U
t_row :: Mat Double -> Gen Property
t_row ms@(Mat r _ xs) = do
i <- choose (0,r-1)
return $ row (fromMat ms) i === U.fromList (xs !! i)
t_column :: Mat Double -> Gen Property
t_column ms@(Mat _ c xs) = do
i <- choose (0,c-1)
return $ column (fromMat ms) i === U.fromList (map (!! i) xs)
t_center :: Mat Double -> Property
t_center ms@(Mat r c xs) =
(xs !! (r `quot` 2)) !! (c `quot` 2) === center (fromMat ms)
t_transpose :: Matrix -> Property
t_transpose m = U.concat (map (column n) [0..rows m-1]) === toVector m
where n = transpose m
t_qr :: Matrix -> Property
t_qr a = hasNaN p .||. eql 1e-10 a p
where p = uncurry multiply (qr a)
tests :: Test
tests = testGroup "Matrix" [
testProperty "t_row" t_row
, testProperty "t_column" t_column
, testProperty "t_center" t_center
, testProperty "t_transpose" t_transpose
, testProperty "t_qr" t_qr
]
|
