1 files changed, 7 insertions, 6 deletions

diff --git a/lib/Numeric/GSL/Special/Erf.hs b/lib/Numeric/GSL/Special/Erf.hs
index ec73980..347e621 100644
--- a/lib/Numeric/GSL/Special/Erf.hs
+++ b/lib/Numeric/GSL/Special/Erf.hs
@@ -30,6 +30,7 @@ module Numeric.GSL.Special.Erf(
 ) where
 
 import Foreign(Ptr)
+import Foreign.C.Types(CInt)
 import Numeric.GSL.Special.Internal
 
 -- | wrapper for int gsl_sf_erfc_e(double x,gsl_sf_result* result);
@@ -37,7 +38,7 @@ import Numeric.GSL.Special.Internal
 --   <http://www.google.com/search?q=gsl_sf_erfc_e&as_sitesearch=www.gnu.org/software/gsl/manual&btnI=Lucky>
 erfc_e :: Double -> (Double,Double)
 erfc_e x = createSFR "erfc_e" $ gsl_sf_erfc_e x
-foreign import ccall "erf.h gsl_sf_erfc_e" gsl_sf_erfc_e :: Double -> Ptr Double -> IO(Int)
+foreign import ccall "erf.h gsl_sf_erfc_e" gsl_sf_erfc_e :: Double -> Ptr () -> IO CInt
 
 -- | wrapper for double gsl_sf_erfc(double x);
 --
@@ -51,7 +52,7 @@ foreign import ccall "erf.h gsl_sf_erfc" gsl_sf_erfc :: Double -> Double
 --   <http://www.google.com/search?q=gsl_sf_log_erfc_e&as_sitesearch=www.gnu.org/software/gsl/manual&btnI=Lucky>
 log_erfc_e :: Double -> (Double,Double)
 log_erfc_e x = createSFR "log_erfc_e" $ gsl_sf_log_erfc_e x
-foreign import ccall "erf.h gsl_sf_log_erfc_e" gsl_sf_log_erfc_e :: Double -> Ptr Double -> IO(Int)
+foreign import ccall "erf.h gsl_sf_log_erfc_e" gsl_sf_log_erfc_e :: Double -> Ptr () -> IO CInt
 
 -- | wrapper for double gsl_sf_log_erfc(double x);
 --
@@ -65,7 +66,7 @@ foreign import ccall "erf.h gsl_sf_log_erfc" gsl_sf_log_erfc :: Double -> Double
 --   <http://www.google.com/search?q=gsl_sf_erf_e&as_sitesearch=www.gnu.org/software/gsl/manual&btnI=Lucky>
 erf_e :: Double -> (Double,Double)
 erf_e x = createSFR "erf_e" $ gsl_sf_erf_e x
-foreign import ccall "erf.h gsl_sf_erf_e" gsl_sf_erf_e :: Double -> Ptr Double -> IO(Int)
+foreign import ccall "erf.h gsl_sf_erf_e" gsl_sf_erf_e :: Double -> Ptr () -> IO CInt
 
 -- | wrapper for double gsl_sf_erf(double x);
 --
@@ -79,14 +80,14 @@ foreign import ccall "erf.h gsl_sf_erf" gsl_sf_erf :: Double -> Double
 --   <http://www.google.com/search?q=gsl_sf_erf_Z_e&as_sitesearch=www.gnu.org/software/gsl/manual&btnI=Lucky>
 erf_Z_e :: Double -> (Double,Double)
 erf_Z_e x = createSFR "erf_Z_e" $ gsl_sf_erf_Z_e x
-foreign import ccall "erf.h gsl_sf_erf_Z_e" gsl_sf_erf_Z_e :: Double -> Ptr Double -> IO(Int)
+foreign import ccall "erf.h gsl_sf_erf_Z_e" gsl_sf_erf_Z_e :: Double -> Ptr () -> IO CInt
 
 -- | wrapper for int gsl_sf_erf_Q_e(double x,gsl_sf_result* result);
 --
 --   <http://www.google.com/search?q=gsl_sf_erf_Q_e&as_sitesearch=www.gnu.org/software/gsl/manual&btnI=Lucky>
 erf_Q_e :: Double -> (Double,Double)
 erf_Q_e x = createSFR "erf_Q_e" $ gsl_sf_erf_Q_e x
-foreign import ccall "erf.h gsl_sf_erf_Q_e" gsl_sf_erf_Q_e :: Double -> Ptr Double -> IO(Int)
+foreign import ccall "erf.h gsl_sf_erf_Q_e" gsl_sf_erf_Q_e :: Double -> Ptr () -> IO CInt
 
 -- | wrapper for double gsl_sf_erf_Z(double x);
 --
@@ -107,7 +108,7 @@ foreign import ccall "erf.h gsl_sf_erf_Q" gsl_sf_erf_Q :: Double -> Double
 --   <http://www.google.com/search?q=gsl_sf_hazard_e&as_sitesearch=www.gnu.org/software/gsl/manual&btnI=Lucky>
 hazard_e :: Double -> (Double,Double)
 hazard_e x = createSFR "hazard_e" $ gsl_sf_hazard_e x
-foreign import ccall "erf.h gsl_sf_hazard_e" gsl_sf_hazard_e :: Double -> Ptr Double -> IO(Int)
+foreign import ccall "erf.h gsl_sf_hazard_e" gsl_sf_hazard_e :: Double -> Ptr () -> IO CInt
 
 -- | wrapper for double gsl_sf_hazard(double x);
 --