1 files changed, 0 insertions, 66 deletions
diff --git a/src/Builtin.hs b/src/Builtin.hs
deleted file mode 100644
index 8287d5a..0000000
--- a/src/Builtin.hs
+++ /dev/null
@@ -1,66 +0,0 @@
-module Builtin where
-
-
-builtinAdd :: Expr -> Expr -> Maybe Expr
-
-builtinAdd (Rational a)    (Rational b)    = Just $ Rational (a + b)
-builtinAdd (Rational a)    (Imaginary b)   = Just $ Complex a b
-builtinAdd (Rational a)    (Complex br bi) = Just $ Complex (br + a) bi
-
-builtinAdd (Imaginary a)   (Imaginary b)   = Just $ Imaginary (a + b)
-builtinAdd (Imaginary a)   (Rational b)    = Just $ Complex b a
-builtinAdd (Imaginary a)   (Complex br bi) = Just $ Complex br (a + bi)
-
-builtinAdd (Complex ar ai) (Complex br bi) = Just $ Complex (ar + br) (ai + bi)
-builtinAdd (Complex ar ai) (Rational b)    = Just $ Complex (ar + b) ai
-builtinAdd (Complex ar ai) (Imaginary b)   = Just $ Complex ar (ai + b)
-
-builtinAdd _ _ = Nothing
-
-
-builtinSub :: Expr -> Expr -> Maybe Expr
-builtinSub a b = a `builtinAdd` ((Rational (-1)) `builtinMul` b)
-builtinSub _ _ = Nothing
-
-
--- could be derived from addition
-builtinMul :: Expr -> Expr -> Maybe Expr
-builtinMul (Rational a) (Rational b)    = Just $ Ratinal (a * b)
-builtinMul (Rational a) (Imaginary b)   = Just $ Imaginary (a * b)
-builtinMul (Rational a) (Complex br bi) = Just $ Complex (a * br) (a * bi)
-
-builtinMul (Imaginary a) (Imaginary b)   = Just $ Imaginary (a * b)
-builtinMul (Imaginary a) (Rational b)    = Just $ Complex b a
-builtinMul (Imaginary a) (Complex br bi) = Just $ Complex (a * br) (a * bi)
-
-builtinMul _ _ = Nothing
-
-
-builtinDiv :: Expr -> Expr -> Maybe Expr
-builtinDiv _ (Rational 0)  = Nothing
-builtinDiv _ (Imaginary 0) = Nothing
-builtinDiv _ (Complex 0 0) = Nothing
-builtinDiv a b = Just $ a `builtinMul` (b `builtinExp` (Rational -1))
-builtinDiv _ _ = Nothing
-
-
-builtinMod :: Expr -> Expr -> Maybe Expr
-builtinMod _ _ = Nothing
-
-
--- could be derived from multiplication
-builtinExp :: Expr -> Expr -> Maybe Expr
-builtinExp (Rational a)  (Rational b) = Just $ Rational (a ** b)
-
-builtinExp (Imaginary a) (Rational b)
-  | b < 0     = Just $ (Rational 1) `builtinDiv` ((Imaginary a) `builtinExp` (Rational b)
-  | b == 0    = Just $ Rational a
-  | b == 1    = Just $ Imaginary a
-  | b == 2    = Just $ Rational (-a)
-  | b == 3    = Just $ Imaginary (-a)
-  | otherwise = Imaginary a `builtinExp` (Rational (b - 4))
-
-builtinExp _ _ = Nothing
-
-builtinDot :: Expr -> Expr -> Maybe Expr
-_ **? _ = Nothing