DoubleIEEE754.hs

{- |
Copyright  : Will Thompson, Iñaki García Etxebarria and Jonas Platte
License    : LGPL-2.1
Maintainer : Iñaki García Etxebarria (garetxe@gmail.com)
-}

module GI.GLib.Unions.DoubleIEEE754
    ( 

-- * Exported types
    DoubleIEEE754(..)                       ,
    noDoubleIEEE754                         ,


 -- * Properties
-- ** VDouble
    doubleIEEE754ReadVDouble                ,




    ) where

import Prelude ()
import Data.GI.Base.ShortPrelude

import qualified Data.Text as T
import qualified Data.ByteString.Char8 as B
import qualified Data.Map as Map

import GI.GLib.Types
import GI.GLib.Callbacks

newtype DoubleIEEE754 = DoubleIEEE754 (ForeignPtr DoubleIEEE754)
noDoubleIEEE754 :: Maybe DoubleIEEE754
noDoubleIEEE754 = Nothing

doubleIEEE754ReadVDouble :: DoubleIEEE754 -> IO Double
doubleIEEE754ReadVDouble s = withManagedPtr s $ \ptr -> do
    val <- peek (ptr `plusPtr` 0) :: IO CDouble
    let val' = realToFrac val
    return val'