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TESTS: make getAngleProp6 more useful by testing commutative property

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hasufell 2014-12-17 22:27:29 +01:00
parent 4ef3aa7f1f
commit 90702e6469
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1 changed files with 3 additions and 2 deletions
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5
Test/Vector.hs
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@ -97,9 +97,10 @@ getAngleProp5 (Positive (R2 x1 _)) (Positive (R2 _ y2))
= getAngle (R2 x1 0) (R2 0 y2) == pi / 2
-- commutative
getAngleProp6 :: Positive Vec -> Positive Vec -> Bool
getAngleProp6 (Positive (R2 _ y1)) (Positive (R2 x2 _))
= getAngle (R2 0 y1) (R2 x2 0) == pi / 2
getAngleProp6 (Positive v1) (Positive v2)
= getAngle v1 v2 == getAngle v2 v1
-- commutative