X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/4a159579c0ba841770649b94be8fe957390160cd..fbcf6ab31cae1988be858f9f894dafe529c575d7:/src/smpi/mpi/smpi_topo.cpp

diff --git a/src/smpi/mpi/smpi_topo.cpp b/src/smpi/mpi/smpi_topo.cpp
index 83b5147c1d..3376a52b97 100644
--- a/src/smpi/mpi/smpi_topo.cpp
+++ b/src/smpi/mpi/smpi_topo.cpp
@@ -387,8 +387,8 @@ static int getfactors(int num, int *nfactors, int **factors) {
     return MPI_SUCCESS;
   }
   /* Allocate the array of prime factors which cannot exceed log_2(num) entries */
-  int sqrtnum = ceil(sqrt(num));
-  int size = ceil(log(num) / log(2));
+  int sqrtnum = ceil(sqrt(double(num)));
+  int size = ceil(log(double(num)) / log(2.0));
   *factors = new int[size];
 
   int i = 0;