1 files changed, 3 insertions, 0 deletions

diff --git a/lib/GSL/Special/Internal.hs b/lib/GSL/Special/Internal.hs
index ad1aaa2..8d81c72 100644
--- a/lib/GSL/Special/Internal.hs
+++ b/lib/GSL/Special/Internal.hs
@@ -20,6 +20,7 @@ module GSL.Special.Internal (
     createSFR_E10,
     Precision(..),
     Gsl_mode_t,
+    Size_t,
     precCode
 )
 where
@@ -37,6 +38,8 @@ precCode PrecApprox = 2
 
 type Gsl_mode_t = Int
 
+type Size_t = Int
+
 ----------------------------------------------------------------
 -- | access to a sf_result
 createSFR :: Storable a => String -> (Ptr a -> IO Int) -> (a, a)