1 files changed, 3 insertions, 1 deletions

diff --git a/packages/sundials/src/Arkode.hsc b/packages/sundials/src/Arkode.hsc
index ae2b40f..83d1127 100644
--- a/packages/sundials/src/Arkode.hsc
+++ b/packages/sundials/src/Arkode.hsc
@@ -4,7 +4,6 @@ module Arkode where
 
 import Foreign
 import Foreign.C.Types
-import Foreign.C.String
 
 
 #include <stdio.h>
@@ -14,12 +13,14 @@ import Foreign.C.String
 #include <sunmatrix/sunmatrix_dense.h>
 #include <arkode/arkode.h>
 
+
 #def typedef struct _generic_N_Vector SunVector;
 #def typedef struct _N_VectorContent_Serial SunContent;
 
 #def typedef struct _generic_SUNMatrix SunMatrix;
 #def typedef struct _SUNMatrixContent_Dense SunMatrixContent;
 
+getContentMatrixPtr :: Storable a => Ptr b -> IO a
 getContentMatrixPtr ptr = (#peek SunMatrix, content) ptr
 
 getNRows :: Ptr b -> IO CInt
@@ -32,6 +33,7 @@ getNCols ptr = (#peek SunMatrixContent, N) ptr
 putNCols :: CInt -> Ptr b -> IO ()
 putNCols nc ptr = (#poke SunMatrixContent, N) ptr nc
 
+getMatrixData :: Storable a => Ptr b -> IO a
 getMatrixData ptr = (#peek SunMatrixContent, data) ptr
 
 getContentPtr :: Storable a => Ptr b -> IO a