{-# LANGUAGE EmptyDataDecls, ExistentialQuantification, FlexibleContexts, FlexibleInstances, ForeignFunctionInterface, MultiParamTypeClasses, ScopedTypeVariables, TypeFamilies, TypeSynonymInstances #-} module HROOT.Core.TArray.Interface where import Data.Word import Data.Int import Foreign.C import Foreign.Ptr import FFICXX.Runtime.Cast import HROOT.Core.TArray.RawType import STD.Deletable.Interface class (IDeletable a) => ITArray a where getAt :: () => a -> CInt -> IO CDouble setArray :: () => a -> CInt -> IO () setAt :: () => a -> CDouble -> CInt -> IO () upcastTArray :: forall a . (FPtr a, ITArray a) => a -> TArray upcastTArray :: forall a. (FPtr a, ITArray a) => a -> TArray upcastTArray 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 RawTArray fh2 :: Ptr RawTArray = Ptr (Raw a) -> Ptr RawTArray forall a b. Ptr a -> Ptr b castPtr Ptr (Raw a) fh in Ptr (Raw TArray) -> TArray forall a. FPtr a => Ptr (Raw a) -> a cast_fptr_to_obj Ptr (Raw TArray) Ptr RawTArray fh2 downcastTArray :: forall a . (FPtr a, ITArray a) => TArray -> a downcastTArray :: forall a. (FPtr a, ITArray a) => TArray -> a downcastTArray TArray h = let fh :: Ptr (Raw TArray) fh = TArray -> Ptr (Raw TArray) forall a. FPtr a => a -> Ptr (Raw a) get_fptr TArray h fh2 :: Ptr (Raw a) fh2 = Ptr RawTArray -> Ptr (Raw a) forall a b. Ptr a -> Ptr b castPtr Ptr (Raw TArray) Ptr RawTArray fh in Ptr (Raw a) -> a forall a. FPtr a => Ptr (Raw a) -> a cast_fptr_to_obj Ptr (Raw a) fh2