On some systems, sqrt(int) is not defined properly. On others its just implemented...

[simgrid.git] / src / smpi / colls / alltoall / alltoall-2dmesh.cpp

diff --git a/src/smpi/colls/alltoall/alltoall-2dmesh.cpp b/src/smpi/colls/alltoall/alltoall-2dmesh.cpp
index f9c7f09..7d9a906 100644 (file)
--- a/src/smpi/colls/alltoall/alltoall-2dmesh.cpp
+++ b/src/smpi/colls/alltoall/alltoall-2dmesh.cpp
@@ -33,7 +33,7 @@
 static int alltoall_check_is_2dmesh(int num, int *i, int *j)
 {
   int x, max = num / 2;
-  x = sqrt(num);
+  x = sqrt(double(num));
 
   while (x <= max) {
     if ((num % x) == 0) {