1 files changed, 43 insertions, 0 deletions

diff --git a/lib/GSL/Special/Lambert.hs b/lib/GSL/Special/Lambert.hs
new file mode 100644
index 0000000..ff4c75c
--- /dev/null
+++ b/lib/GSL/Special/Lambert.hs
@@ -0,0 +1,43 @@
+------------------------------------------------------------
+{- |
+Module      :  GSL.Special.Lambert
+Copyright   :  (c) Alberto Ruiz 2006
+License     :  GPL-style
+Maintainer  :  Alberto Ruiz (aruiz at um dot es)
+Stability   :  provisional
+Portability :  uses ffi
+
+
+
+-}
+------------------------------------------------------------
+
+module GSL.Special.Lambert(
+  lambert_W0_e
+, lambert_W0
+, lambert_Wm1_e
+, lambert_Wm1
+) where
+
+import Foreign(Ptr)
+import GSL.Special.Internal
+
+-- | wrapper for int gsl_sf_lambert_W0_e(double x,gsl_sf_result* result);
+lambert_W0_e :: Double -> (Double,Double)
+lambert_W0_e x = createSFR "lambert_W0_e" $ gsl_sf_lambert_W0_e x
+foreign import ccall "lambert.h gsl_sf_lambert_W0_e" gsl_sf_lambert_W0_e :: Double -> Ptr Double -> IO(Int)
+
+-- | wrapper for double gsl_sf_lambert_W0(double x);
+lambert_W0 :: Double -> Double
+lambert_W0 = gsl_sf_lambert_W0
+foreign import ccall "lambert.h gsl_sf_lambert_W0" gsl_sf_lambert_W0 :: Double -> Double
+
+-- | wrapper for int gsl_sf_lambert_Wm1_e(double x,gsl_sf_result* result);
+lambert_Wm1_e :: Double -> (Double,Double)
+lambert_Wm1_e x = createSFR "lambert_Wm1_e" $ gsl_sf_lambert_Wm1_e x
+foreign import ccall "lambert.h gsl_sf_lambert_Wm1_e" gsl_sf_lambert_Wm1_e :: Double -> Ptr Double -> IO(Int)
+
+-- | wrapper for double gsl_sf_lambert_Wm1(double x);
+lambert_Wm1 :: Double -> Double
+lambert_Wm1 = gsl_sf_lambert_Wm1
+foreign import ccall "lambert.h gsl_sf_lambert_Wm1" gsl_sf_lambert_Wm1 :: Double -> Double