Silence clang warnings

Pre-release clang 3.4 warns that the types of lout[23] variables
is not the real * expected with GMX_MPI_REAL.

Change-Id: Id3ca4567f5eb642ead0cb4ce8d48dafbb92c303a

diff --git a/src/mdlib/fft5d.c b/src/mdlib/fft5d.c
index 1bc14e9bd3269490c7e5a0f4c34c37f89b9861fa..6956e71ca764c8d1541f611dcf190c2bc0a440e6 100644 (file)
--- a/src/mdlib/fft5d.c
+++ b/src/mdlib/fft5d.c
@@ -1132,11 +1132,11 @@ void fft5d_execute(fft5d_plan plan, int thread, fft5d_time times)
 #ifdef GMX_MPI
                 if ((s == 0 && !(plan->flags&FFT5D_ORDER_YZ)) || (s == 1 && (plan->flags&FFT5D_ORDER_YZ)))
                 {
-                    MPI_Alltoall(lout2, N[s]*pM[s]*K[s]*sizeof(t_complex)/sizeof(real), GMX_MPI_REAL, lout3, N[s]*pM[s]*K[s]*sizeof(t_complex)/sizeof(real), GMX_MPI_REAL, cart[s]);
+                    MPI_Alltoall((real *)lout2, N[s]*pM[s]*K[s]*sizeof(t_complex)/sizeof(real), GMX_MPI_REAL, (real *)lout3, N[s]*pM[s]*K[s]*sizeof(t_complex)/sizeof(real), GMX_MPI_REAL, cart[s]);
                 }
                 else
                 {
-                    MPI_Alltoall(lout2, N[s]*M[s]*pK[s]*sizeof(t_complex)/sizeof(real), GMX_MPI_REAL, lout3, N[s]*M[s]*pK[s]*sizeof(t_complex)/sizeof(real), GMX_MPI_REAL, cart[s]);
+                    MPI_Alltoall((real *)lout2, N[s]*M[s]*pK[s]*sizeof(t_complex)/sizeof(real), GMX_MPI_REAL, (real *)lout3, N[s]*M[s]*pK[s]*sizeof(t_complex)/sizeof(real), GMX_MPI_REAL, cart[s]);
                 }
 #else
                 gmx_incons("fft5d MPI call without MPI configuration");