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{-# LANGUAGE CPP #-}
------------------------------------------------------------
-- |
-- Module : Numeric.GSL.Special.Lambert
-- Copyright : (c) Alberto Ruiz 2006-11
-- License : GPL
-- Maintainer : Alberto Ruiz (aruiz at um dot es)
-- Stability : provisional
-- Portability : uses ffi
--
-- Wrappers for selected functions described at:
--
-- <http://www.google.com/search?q=gsl_sf_lambert.h&as_sitesearch=www.gnu.org/software/gsl/manual&btnI=Lucky>
------------------------------------------------------------
module Numeric.GSL.Special.Lambert(
lambert_W0_e
, lambert_W0
, lambert_Wm1_e
, lambert_Wm1
) where
import Foreign(Ptr)
import Foreign.C.Types
import Numeric.GSL.Special.Internal
lambert_W0_e :: Double -> (Double,Double)
lambert_W0_e x = createSFR "lambert_W0_e" $ gsl_sf_lambert_W0_e x
foreign import ccall SAFE_CHEAP "gsl_sf_lambert_W0_e" gsl_sf_lambert_W0_e :: Double -> Ptr () -> IO CInt
lambert_W0 :: Double -> Double
lambert_W0 = gsl_sf_lambert_W0
foreign import ccall SAFE_CHEAP "gsl_sf_lambert_W0" gsl_sf_lambert_W0 :: Double -> Double
lambert_Wm1_e :: Double -> (Double,Double)
lambert_Wm1_e x = createSFR "lambert_Wm1_e" $ gsl_sf_lambert_Wm1_e x
foreign import ccall SAFE_CHEAP "gsl_sf_lambert_Wm1_e" gsl_sf_lambert_Wm1_e :: Double -> Ptr () -> IO CInt
lambert_Wm1 :: Double -> Double
lambert_Wm1 = gsl_sf_lambert_Wm1
foreign import ccall SAFE_CHEAP "gsl_sf_lambert_Wm1" gsl_sf_lambert_Wm1 :: Double -> Double
|
