{-# LANGUAGE EmptyDataDecls, ExistentialQuantification,
  FlexibleContexts, FlexibleInstances, ForeignFunctionInterface,
  MultiParamTypeClasses, ScopedTypeVariables, TypeFamilies,
  TypeSynonymInstances #-}
module HROOT.Hist.TGraphErrors.Interface where
import Data.Word
import Data.Int
import Foreign.C
import Foreign.Ptr
import FFICXX.Runtime.Cast
import HROOT.Hist.TGraphErrors.RawType
import HROOT.Hist.TGraph.Interface

class (ITGraph a) => ITGraphErrors a where
        setPointError :: () => a -> CInt -> CDouble -> CDouble -> IO ()

upcastTGraphErrors ::
                   forall a . (FPtr a, ITGraphErrors a) => a -> TGraphErrors
upcastTGraphErrors :: forall a. (FPtr a, ITGraphErrors a) => a -> TGraphErrors
upcastTGraphErrors a
h
  = let fh :: Ptr (Raw a)
fh = a -> Ptr (Raw a)
forall a. FPtr a => a -> Ptr (Raw a)
get_fptr a
h
        Ptr RawTGraphErrors
fh2 :: Ptr RawTGraphErrors = Ptr (Raw a) -> Ptr RawTGraphErrors
forall a b. Ptr a -> Ptr b
castPtr Ptr (Raw a)
fh
      in Ptr (Raw TGraphErrors) -> TGraphErrors
forall a. FPtr a => Ptr (Raw a) -> a
cast_fptr_to_obj Ptr (Raw TGraphErrors)
Ptr RawTGraphErrors
fh2

downcastTGraphErrors ::
                     forall a . (FPtr a, ITGraphErrors a) => TGraphErrors -> a
downcastTGraphErrors :: forall a. (FPtr a, ITGraphErrors a) => TGraphErrors -> a
downcastTGraphErrors TGraphErrors
h
  = let fh :: Ptr (Raw TGraphErrors)
fh = TGraphErrors -> Ptr (Raw TGraphErrors)
forall a. FPtr a => a -> Ptr (Raw a)
get_fptr TGraphErrors
h
        fh2 :: Ptr (Raw a)
fh2 = Ptr RawTGraphErrors -> Ptr (Raw a)
forall a b. Ptr a -> Ptr b
castPtr Ptr (Raw TGraphErrors)
Ptr RawTGraphErrors
fh
      in Ptr (Raw a) -> a
forall a. FPtr a => Ptr (Raw a) -> a
cast_fptr_to_obj Ptr (Raw a)
fh2