{-# LANGUAGE CPP             #-}
{-# LANGUAGE TemplateHaskell #-}
{-# OPTIONS_GHC -fno-warn-orphans #-}
{-|
Module:      Text.Show.Text.Data.Ratio
Copyright:   (C) 2014-2015 Ryan Scott
License:     BSD-style (see the file LICENSE)
Maintainer:  Ryan Scott
Stability:   Experimental
Portability: GHC

Monomorphic 'Show' function for 'Ratio' values.

/Since: 0.5/
-}
module Text.Show.Text.Data.Complex (showbComplexPrec) where

import Data.Complex (Complex)
import Data.Text.Lazy.Builder (Builder)

import Prelude hiding (Show)

import Text.Show.Text.Classes (Show(showbPrec))
import Text.Show.Text.Data.Floating ()
#if MIN_VERSION_base(4,4,0)
import Text.Show.Text.Classes (Show1(showbPrec1))
import Text.Show.Text.TH.Internal (deriveShowPragmas, defaultInlineShowbPrec,
                                   specializeTypes)
#else
import Text.Show.Text.TH.Internal (mkShowbPrec)
#endif

#include "inline.h"

-- | Convert a 'Complex' value to a 'Builder' with the given precedence.
-- 
-- /Since: 0.5/
#if MIN_VERSION_base(4,4,0)
showbComplexPrec :: Show a
#else
showbComplexPrec :: (RealFloat a, Show a)
#endif
                 => Int
                 -> Complex a
                 -> Builder
showbComplexPrec = showbPrec
{-# INLINE showbComplexPrec #-}

#if MIN_VERSION_base(4,4,0)
$(deriveShowPragmas defaultInlineShowbPrec {
                        specializeTypes = [ [t| Complex Float  |]
                                          , [t| Complex Double |]
                                          ]
                    }
                    ''Complex)

instance Show1 Complex where
    showbPrec1 = showbPrec
    INLINE_INST_FUN(showbPrec1)
#else
instance (RealFloat a, Show a) => Show (Complex a) where
    {-# SPECIALIZE instance Show (Complex Float)  #-}
    {-# SPECIALIZE instance Show (Complex Double) #-}
    showbPrec = $(mkShowbPrec ''Complex)
    INLINE_INST_FUN(showbPrec)
#endif