{-# LANGUAGE ForeignFunctionInterface #-}
-- Copyright (C) 2009 John Millikin
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see .
module CPython.Types.Float
( Float
, floatType
, toFloat
, fromFloat
) where
#include
import Prelude hiding (Float)
import CPython.Internal
newtype Float = Float (ForeignPtr Float)
instance Object Float where
toObject (Float x) = SomeObject x
fromForeignPtr = Float
instance Concrete Float where
concreteType _ = floatType
{# fun pure unsafe hscpython_PyFloat_Type as floatType
{} -> `Type' peekStaticObject* #}
{# fun PyFloat_FromDouble as toFloat
{ realToFrac `Double'
} -> `Float' stealObject* #}
{# fun PyFloat_AsDouble as fromFloat
{ withObject* `Float'
} -> `Double' realToFrac #}