module Data.Number.Flint.Arb.Instances (
  Arb (..)
) where

import Test.QuickCheck

import System.IO.Unsafe
import Foreign.C.String
import Foreign.Marshal.Alloc ( free )

import Data.Char
import Data.Number.Flint.Arb

instance Show Arb where
  show :: Arb -> String
show Arb
x = IO String -> String
forall a. IO a -> a
unsafePerformIO (IO String -> String) -> IO String -> String
forall a b. (a -> b) -> a -> b
$ do
    (Arb
_, CString
cs) <- Arb -> (Ptr CArb -> IO CString) -> IO (Arb, CString)
forall {a}. Arb -> (Ptr CArb -> IO a) -> IO (Arb, a)
withArb Arb
x ((Ptr CArb -> IO CString) -> IO (Arb, CString))
-> (Ptr CArb -> IO CString) -> IO (Arb, CString)
forall a b. (a -> b) -> a -> b
$ \Ptr CArb
x -> Ptr CArb -> CLong -> ArbStrOption -> IO CString
arb_get_str Ptr CArb
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