83 lines
2.0 KiB
Haskell
83 lines
2.0 KiB
Haskell
{-# OPTIONS_HADDOCK ignore-exports #-}
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{-# LANGUAGE TypeSynonymInstances, FlexibleInstances #-}
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module Test.Vector where
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import Algebra.Vector
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import Control.Applicative
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{- import Control.Monad -}
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import Diagrams.TwoD.Types
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import Test.QuickCheck
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instance Arbitrary R2 where
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arbitrary = curry r2 <$> arbitrary <*> arbitrary
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instance Arbitrary P2 where
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arbitrary = curry p2 <$> arbitrary <*> arbitrary
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inRangeProp1 :: Square -> Bool
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inRangeProp1 sq@((x1, y1), _) =
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inRange sq (p2 (x1, y1))
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inRangeProp2 :: Square -> Bool
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inRangeProp2 sq@(_, (x2, y2)) =
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inRange sq (p2 (x2, y2))
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inRangeProp3 :: Square -> Bool
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inRangeProp3 sq@((x1, _), (_, y2)) =
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inRange sq (p2 (x1, y2))
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inRangeProp4 :: Square -> Bool
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inRangeProp4 sq@((_, y1), (x2, _)) =
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inRange sq (p2 (x2, y1))
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inRangeProp5 :: Square -> Bool
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inRangeProp5 sq@((x1, y1), (x2, y2)) =
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inRange sq (p2 (x1 + ((x2 - x1) / 2), y1 + ((y2 - y1) / 2)))
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onPTProp1 :: PT -> Bool
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onPTProp1 pt = onPT id pt == pt
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onPTProp2 :: PT -> Positive R2 -> Bool
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onPTProp2 pt (Positive (R2 rx ry))
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= onPT (\(x, y) -> (x + rx, y + ry)) pt /= pt
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getAngleProp1 :: Positive Vec -> Positive Vec -> Bool
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getAngleProp1 (Positive (R2 x1 _)) (Positive (R2 x2 _))
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= getAngle (R2 x1 0) (R2 x2 0) == 0
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getAngleProp2 :: Positive Vec -> Positive Vec -> Bool
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getAngleProp2 (Positive (R2 _ y1)) (Positive (R2 _ y2))
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= getAngle (R2 0 y1) (R2 0 y2) == 0
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getAngleProp3 :: Positive Vec -> Positive Vec -> Bool
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getAngleProp3 (Positive (R2 x1 _)) (Positive (R2 x2 _))
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= getAngle (R2 (negate x1) 0) (R2 x2 0) == pi
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getAngleProp4 :: Positive Vec -> Positive Vec -> Bool
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getAngleProp4 (Positive (R2 _ y1)) (Positive (R2 _ y2))
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= getAngle (R2 0 (negate y1)) (R2 0 y2) == pi
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getAngleProp5 :: Positive Vec -> Positive Vec -> Bool
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getAngleProp5 (Positive (R2 x1 _)) (Positive (R2 _ y2))
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= getAngle (R2 x1 0) (R2 0 y2) == pi / 2
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getAngleProp6 :: Positive Vec -> Positive Vec -> Bool
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getAngleProp6 (Positive (R2 _ y1)) (Positive (R2 x2 _))
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= getAngle (R2 x2 0) (R2 0 y1) == pi / 2
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