module Data.Number.Flint.Arb.Mat.Instances where

import System.IO.Unsafe

import Foreign.C.String
import Foreign.Marshal.Alloc ( free )
import Foreign.Storable

import Data.Number.Flint.Arb
import Data.Number.Flint.Arb.Mat

instance Show ArbMat where
  show :: ArbMat -> String
show ArbMat
x = IO String -> String
forall a. IO a -> a
unsafePerformIO (IO String -> String) -> IO String -> String
forall a b. (a -> b) -> a -> b
$ do
    (ArbMat
_, CString
cs) <- ArbMat -> (Ptr CArbMat -> IO CString) -> IO (ArbMat, CString)
forall {a}. ArbMat -> (Ptr CArbMat -> IO a) -> IO (ArbMat, a)
withArbMat ArbMat
x ((Ptr CArbMat -> IO CString) -> IO (ArbMat, CString))
-> (Ptr CArbMat -> IO CString) -> IO (ArbMat, CString)
forall a b. (a -> b) -> a -> b
$ \Ptr CArbMat
x -> do Ptr CArbMat -> CLong -> ArbStrOption -> IO CString
arb_mat_get_strn Ptr CArbMat
x CLong
16 ArbStrOption
arb_str_no_radius
    String
s <- CString -> IO String
peekCString CString
cs
    CString -> IO ()
forall a. Ptr a -> IO ()
free CString
cs
    String -> IO String
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return String
s