-- Hoogle documentation, generated by Haddock
-- See Hoogle, http://www.haskell.org/hoogle/


-- | Angles in degrees and radians.
--   
--   A simple little library for dealing with geometric angles.
@package AC-Angle
@version 1.0


-- | Deal with angles measured in degrees or radians.
--   
--   Names are kept deliberately different from the standard prelude to
--   avoid name clashes.
module Data.Angle

-- | An angle in radians.
newtype Radians x
Radians :: x -> Radians x

-- | An angle in degrees.
newtype Degrees x
Degrees :: x -> Degrees x

-- | Convert from radians to degrees.
degrees :: Floating x => Radians x -> Degrees x

-- | Convert from degrees to radians.
radians :: Floating x => Degrees x -> Radians x

-- | Type-class for angles.
class Angle a
sine :: (Angle a, Floating x) => a x -> x
cosine :: (Angle a, Floating x) => a x -> x
tangent :: (Angle a, Floating x) => a x -> x
arcsine :: (Angle a, Floating x) => x -> a x
arccosine :: (Angle a, Floating x) => x -> a x
arctangent :: (Angle a, Floating x) => x -> a x
instance Eq x => Eq (Degrees x)
instance Ord x => Ord (Degrees x)
instance Show x => Show (Degrees x)
instance Num x => Num (Degrees x)
instance Fractional x => Fractional (Degrees x)
instance Eq x => Eq (Radians x)
instance Ord x => Ord (Radians x)
instance Show x => Show (Radians x)
instance Num x => Num (Radians x)
instance Fractional x => Fractional (Radians x)
instance Angle Degrees
instance Angle Radians