forked from steger/pr3-sose2026
125 lines
4.2 KiB
Haskell
125 lines
4.2 KiB
Haskell
{-# OPTIONS_GHC -Wno-unrecognised-pragmas #-}
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{-# HLINT ignore "Use void" #-}
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import Test.HUnit
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data Complex a = TODO
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instance (Show a, Num a, Eq a) => Show (Complex a) where
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-- show :: (Show a, Num a, Eq a) => Complex a -> String
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-- TODO
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instance (Num a, Floating a) => Num (Complex a) where
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-- (+) :: (Num a, Floating a) => Complex a -> Complex a -> Complex a
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-- (*) :: (Num a, Floating a) => Complex a -> Complex a -> Complex a
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-- TODO
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-- abs (Complex re im) = TODO
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-- signum (Complex re im) = TODO
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-- fromInteger n = TODO
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-- negate :: (Num a, Floating a) => Complex a -> Complex a
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-- negate (Complex re im) = Complex (negate re) (negate im)
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instance (Fractional a, Floating a) => Fractional (Complex a) where
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-- fromRational r = TODO
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-- recip (Complex re im) = TODO
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-- (Complex re1 im1) / (Complex re2 im2) = TODO
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-- conj :: Num a => Complex a -> Complex a
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-- TODO
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tests :: Test
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tests =
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TestList
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[
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-- Test.HUnit.TestCase (assertEqual "Show 1+2i" "1+2i" (show $ Complex 1 2)),
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-- Test.HUnit.TestCase (assertEqual "Show 1" "1" (show $ Complex 1 0)),
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-- Test.HUnit.TestCase (assertEqual "Show i" "i" (show i)),
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-- Test.HUnit.TestCase (assertEqual "Show 5i" "5i" (show $ Complex 0 5)),
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-- Test.HUnit.TestCase (assertEqual "Show 0" "0" (show $ Complex 0 0)),
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-- Test.HUnit.TestCase (assertEqual "Compare Equal" True (Complex 2 3 == Complex 2 3)),
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-- Test.HUnit.TestCase (assertEqual "Compare Real Not Equal" False (Complex 1 3 == Complex 2 3)),
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-- Test.HUnit.TestCase
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-- (assertEqual "Compare Imag Not Equal" False (Complex 2 4 == Complex 2 3)),
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-- Test.HUnit.TestCase
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-- (assertEqual "Compare Not Equal" False (Complex 2 3 /= Complex 2 3)),
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-- Test.HUnit.TestCase
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-- ( assertEqual
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-- "Addition 1"
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-- (Complex 6.0 8.0)
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-- (Complex 2.0 3.0 + Complex 4.0 5.0)
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-- ),
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-- Test.HUnit.TestCase
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-- ( assertEqual
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-- "Addition 2"
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-- (Complex 2.0 3.0)
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-- (Complex 0.0 3.0 + Complex 2.0 0.0)
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-- ),
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-- Test.HUnit.TestCase
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-- ( assertEqual
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-- "Subtraction 1"
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-- (Complex 4.0 (-4.0))
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-- (Complex 7.0 2.0 - Complex 3.0 6.0)
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-- ),
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-- Test.HUnit.TestCase
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-- ( assertEqual
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-- "Subtraction 2"
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-- (Complex 4.0 2.0)
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-- (Complex 5.0 4.0 - Complex 1.0 2.0)
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-- ),
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-- Test.HUnit.TestCase
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-- ( assertEqual
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-- "Negation"
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-- (Complex (-7.0) (-2.0))
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-- (negate (Complex 7.0 2.0))
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-- ),
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-- Test.HUnit.TestCase
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-- ( assertEqual
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-- "Multiplication 1"
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-- (Complex (-5.0) 10.0)
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-- (Complex 1.0 2.0 * Complex 3.0 4.0)
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-- ),
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-- Test.HUnit.TestCase
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-- ( assertEqual
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-- "Multiplication 2"
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-- (Complex 5.0 1.0)
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-- (Complex 2.0 3.0 * Complex 1.0 (-1.0))
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-- ),
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-- Test.HUnit.TestCase
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-- ( assertEqual
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-- "Multiplication 3"
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-- (Complex 11.0 (-10.0))
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-- (Complex 4.0 1.0 * Complex 2.0 (-3.0))
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-- ),
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-- Test.HUnit.TestCase
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-- ( assertEqual
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-- "Multiplication 4"
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-- (Complex 5.0 12.0)
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-- (Complex 3.0 2.0 * Complex 3.0 2.0)
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-- ),
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-- Test.HUnit.TestCase
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-- ( assertEqual
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-- "Magnitude 1"
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-- (Complex 5.0 0.0)
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-- (abs (Complex 3.0 4.0))
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-- ),
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-- Test.HUnit.TestCase
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-- ( assertEqual
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-- "Magnitude 2"
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-- (Complex (sqrt 2.0) 0.0)
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-- (abs (Complex 1.0 (-1.0)))
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-- ),
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-- Test.HUnit.TestCase
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-- ( assertEqual
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-- "Magnitude 3"
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-- (Complex 5.0 0.0)
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-- (abs (Complex 0.0 5.0))
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-- ),
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-- TestCase (assertEqual "Conjugate of 3+4i" (Complex 3 (-4)) (conj (Complex 3 4))),
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-- TestCase (assertEqual "Conjugate of 5-i" (Complex 5 1) (conj (Complex 5 (-1)))),
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-- TestCase (assertEqual "Conjugate of -2+3i" (Complex (-2) (-3)) (conj (Complex (-2) 3)))
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]
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main :: IO ()
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main = runTestTT tests >> return ()
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