add better support for MPI datatypes extent values (to correct behavior of gather...

[simgrid.git] / include / smpi / smpi.h

diff --git a/include/smpi/smpi.h b/include/smpi/smpi.h
index 289f0b7..b909f28 100644 (file)
--- a/include/smpi/smpi.h
+++ b/include/smpi/smpi.h
@@ -38,7 +38,7 @@ SG_BEGIN_DECL()
 #define MPI_BOTTOM (void *)0
 #define MPI_PROC_NULL -2
 #define MPI_ANY_TAG -1
-#define MPI_UNDEFINED -1
+#define MPI_UNDEFINED -3
 // errorcodes
 #define MPI_SUCCESS       0
 #define MPI_ERR_COMM      1