From 1bd679217cd6d6a63beda43c5fc7afd224d02a98 Mon Sep 17 00:00:00 2001
From: Alain Miniussi <alain.miniussi@oca.eu>
Date: Mon, 21 Sep 2015 23:46:02 +0200
Subject: [PATCH]  Remove unused parameter warning from scan.hpp by nasailja

---
 include/boost/mpi/collectives/scan.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/boost/mpi/collectives/scan.hpp b/include/boost/mpi/collectives/scan.hpp
index 4cba4a8..9264838 100644
--- a/include/boost/mpi/collectives/scan.hpp
+++ b/include/boost/mpi/collectives/scan.hpp
@@ -47,7 +47,7 @@ namespace detail {
   template<typename T, typename Op>
   void
   scan_impl(const communicator& comm, const T* in_values, int n, T* out_values,
-            Op op, mpl::true_ /*is_mpi_op*/, mpl::true_ /*is_mpi_datatype*/)
+            Op /*op*/, mpl::true_ /*is_mpi_op*/, mpl::true_ /*is_mpi_datatype*/)
   {
     BOOST_MPI_CHECK_RESULT(MPI_Scan,
                            (const_cast<T*>(in_values), out_values, n,