1 files changed, 16 insertions, 15 deletions

diff --git a/lib/Numeric/GSL/Minimization.hs b/lib/Numeric/GSL/Minimization.hs
index 98c0ca9..65705cc 100644
--- a/lib/Numeric/GSL/Minimization.hs
+++ b/lib/Numeric/GSL/Minimization.hs
@@ -24,6 +24,7 @@ module Numeric.GSL.Minimization (
 import Data.Packed.Internal
 import Data.Packed.Matrix
 import Foreign
+import Foreign.C.Types(CInt)
 
 -------------------------------------------------------------------------
 
@@ -85,7 +86,7 @@ minimizeNMSimplex f xi sz tol maxit = unsafePerformIO $ do
     fp <- mkVecfun (iv (f.toList))
     rawpath <- ww2 withVector xiv withVector szv $ \xiv' szv' ->
                    createMIO maxit (n+3)
-                         (c_minimizeNMSimplex fp tol maxit // xiv' // szv')
+                         (c_minimizeNMSimplex fp tol (fromIntegral maxit) // xiv' // szv')
                          "minimizeNMSimplex"
     let it = round (rawpath @@> (maxit-1,0))
         path = takeRows it rawpath
@@ -95,7 +96,7 @@ minimizeNMSimplex f xi sz tol maxit = unsafePerformIO $ do
 
 
 foreign import ccall "gsl-aux.h minimize"
-    c_minimizeNMSimplex:: FunPtr (Int -> Ptr Double -> Double) -> Double -> Int
+    c_minimizeNMSimplex:: FunPtr (CInt -> Ptr Double -> Double) -> Double -> CInt
                        -> TVVM
 
 ----------------------------------------------------------------------------------
@@ -151,7 +152,7 @@ minimizeConjugateGradient istep minimpar tol maxit f df xi = unsafePerformIO $ d
     dfp <- mkVecVecfun (aux_vTov df')
     rawpath <- withVector xiv $ \xiv' ->
                     createMIO maxit (n+2)
-                         (c_minimizeConjugateGradient fp dfp istep minimpar tol maxit // xiv')
+                         (c_minimizeConjugateGradient fp dfp istep minimpar tol (fromIntegral maxit) // xiv')
                          "minimizeDerivV"
     let it = round (rawpath @@> (maxit-1,0))
         path = takeRows it rawpath
@@ -162,36 +163,36 @@ minimizeConjugateGradient istep minimpar tol maxit f df xi = unsafePerformIO $ d
 
 
 foreign import ccall "gsl-aux.h minimizeWithDeriv"
-    c_minimizeConjugateGradient :: FunPtr (Int -> Ptr Double -> Double)
-                                -> FunPtr (Int -> Ptr Double -> Ptr Double -> IO ())
-                                -> Double -> Double -> Double -> Int
+    c_minimizeConjugateGradient :: FunPtr (CInt -> Ptr Double -> Double)
+                                -> FunPtr (CInt -> Ptr Double -> Ptr Double -> IO ())
+                                -> Double -> Double -> Double -> CInt
                                 -> TVM
 
 ---------------------------------------------------------------------
-iv :: (Vector Double -> Double) -> (Int -> Ptr Double -> Double)
-iv f n p = f (createV n copy "iv") where
+iv :: (Vector Double -> Double) -> (CInt -> Ptr Double -> Double)
+iv f n p = f (createV (fromIntegral n) copy "iv") where
     copy n' q = do
         copyArray q p n'
         return 0
 
 -- | conversion of Haskell functions into function pointers that can be used in the C side
 foreign import ccall "wrapper"
-    mkVecfun :: (Int -> Ptr Double -> Double)
-             -> IO( FunPtr (Int -> Ptr Double -> Double))
+    mkVecfun :: (CInt -> Ptr Double -> Double)
+             -> IO( FunPtr (CInt -> Ptr Double -> Double))
 
 -- | another required conversion
 foreign import ccall "wrapper"
-    mkVecVecfun :: (Int -> Ptr Double -> Ptr Double -> IO ())
-                -> IO (FunPtr (Int -> Ptr Double -> Ptr Double->IO()))
+    mkVecVecfun :: (CInt -> Ptr Double -> Ptr Double -> IO ())
+                -> IO (FunPtr (CInt -> Ptr Double -> Ptr Double->IO()))
 
-aux_vTov :: (Vector Double -> Vector Double) -> (Int -> Ptr Double -> Ptr Double -> IO())
+aux_vTov :: (Vector Double -> Vector Double) -> (CInt -> Ptr Double -> Ptr Double -> IO())
 aux_vTov f n p r = g where
     V {fptr = pr} = f x
-    x = createV n copy "aux_vTov"
+    x = createV (fromIntegral n) copy "aux_vTov"
     copy n' q = do
         copyArray q p n'
         return 0
-    g = withForeignPtr pr $ \p' -> copyArray r p' n
+    g = withForeignPtr pr $ \p' -> copyArray r p' (fromIntegral n)
 
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