===================================================================
RCS file: /home/cvs/OpenXM/src/R/r-packages/note.txt,v
retrieving revision 1.3
retrieving revision 1.4
diff -u -p -r1.3 -r1.4
--- OpenXM/src/R/r-packages/note.txt	2015/03/24 07:49:06	1.3
+++ OpenXM/src/R/r-packages/note.txt	2015/04/02 00:11:32	1.4
@@ -1,4 +1,4 @@
-$OpenXM: OpenXM/src/R/r-packages/note.txt,v 1.2 2013/02/09 02:58:14 takayama Exp $
+$OpenXM: OpenXM/src/R/r-packages/note.txt,v 1.3 2015/03/24 07:49:06 takayama Exp $
 
 See also OpenXM/src/hgm/note.txt
 
@@ -54,3 +54,26 @@ export(hgm.z.mleDemo)
 export(hgm.ssFB)
 
  
+* Check the memory leak by valgrind and by AddressSanitizer. 2015.04.01
+** Valgrind
+apt-get install valgrind
+
+cat >>~/.valgrindrc
+--leak-check=full
+--track-origins=yes
+ctrl-D
+
+R CMD check hgm --use-valgrind
+more hgm.Rcheck/hgm-Ex.Rout
+Example of an error (Note that there is no error message in *.log)  
+==14813== Conditional jump or move depends on uninitialised value(s)
+==14813==    at 0xCA20170: mh_t (jack-n.c:1361)
+  for (i=0; i<=M_m; i++) {
+    -- snip
+    serror = myabs((partial_sum[i]-partial_sum[i-1])/partial_sum[i-1]);
+  }
+  partial_sum[-1] is accessed!
+
+As to details, search "valgrind" in R-exts.pdf
+
+* R CMD check hgm --use-gct