1 files changed, 2 insertions, 1 deletions
diff --git a/sortlib.cuh b/sortlib.cuh
index 64f355b..8d6788e 100644
--- a/sortlib.cuh
+++ b/sortlib.cuh
@@ -239,7 +239,8 @@ public:
     return last_known_point;
   }
 
-  __device__ __host__ double static sample_cdf(key_type *begin, long length,
+  __device__ __host__ double static sample_cdf(key_type *begin,
+                                               unsigned long length,
                                                key_type x) {
     // printf("%f\n", x);
     auto end = begin + length;