Documente macro aligned

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/simgrid/simgrid/trunk@57 48e7efb5-ca39-0410-a469-dd3cf9ba447f

diff --git a/src/gras/DataDesc/datadesc_private.h b/src/gras/DataDesc/datadesc_private.h
index d6922a6..83d32c1 100644 (file)
--- a/src/gras/DataDesc/datadesc_private.h
+++ b/src/gras/DataDesc/datadesc_private.h
@@ -14,6 +14,11 @@
 #include "gras_private.h"
 #include "DataDesc/datadesc_interface.h"
 
+/**
+ * aligned:
+ * 
+ * Align the data v on the boundary a.
+ */
 #define aligned(v, a) (((v) + (a - 1)) & ~(a - 1))
 
 extern gras_set_t *gras_datadesc_set_local;