diff --git a/test/eigen/test_dagostino/README b/test/eigen/test_dagostino/README
index dc7e996a..06ed7026 100644
--- a/test/eigen/test_dagostino/README
+++ b/test/eigen/test_dagostino/README
@@ -8,18 +8,18 @@ for Dr Gregorio D'Agostino's tests.
   example of use : mpirun -np 2 ./MaxA_and_lapl_extremums < maxA.inp
   		(open maxA.inp to see what input is needed for the program)
 
-  exit : a row at the end of the file maxA_results.dat containg 
+  exit : a row at the end of the file maxA_results.dat containing 
 	nnzeroA  maxA  MaxLapl  2ndLapl  minLapl  execTime
 
 
 
 ------------------test_realnet---------------------------
- : does the same thing than MaxA_and_lapl_extremums but was created
-   to be launched by 
+ : does the same thing than MaxA_and_lapl_extremums. It is a little different and
+  was created to be launched by step_test.sh
 
   example of use : not to be directly used by a user
 
-  exit : a row at the end of the file test_realnet.dat containg
+  exit : a row at the end of the file plot_data.dat containg
         nnzeroA  maxA  MaxLapl  2ndLapl  minLapl  execTime
 
 
@@ -34,3 +34,12 @@ for Dr Gregorio D'Agostino's tests.
  L'output e il file plot_data.dat di 6 colonne e (totNzero-start)/10000 righe. Ogni riga contiene :
         nnzeroA  maxA  MaxLapl  2ndLapl  minLapl  execTime
 
+
+----------------------adj_to_mm--------------------
+ : reads a file containing the coordinate description of an adjacence
+   sparse matrix (values are always 1) and stores it into 'a' 
+
+  example of use : ./adj_to_mm < adj_to_mm.inp
+		(open adj_to_mm.inp to know what input is needed)
+
+ 
diff --git a/test/eigen/test_dagostino/adj_to_mm b/test/eigen/test_dagostino/adj_to_mm
new file mode 100755
index 00000000..6079162c
Binary files /dev/null and b/test/eigen/test_dagostino/adj_to_mm differ
diff --git a/test/eigen/test_dagostino/adj_to_mm.inp b/test/eigen/test_dagostino/adj_to_mm.inp
new file mode 100644
index 00000000..3ad90f94
--- /dev/null
+++ b/test/eigen/test_dagostino/adj_to_mm.inp
@@ -0,0 +1,3 @@
+realnet.dat       ! input adjacency format file
+realnet.mm        ! output MM format file
+1                 ! first row's index (usually 0 or 1) 
diff --git a/test/eigen/test_dagostino/maxA_and_lapl_extremums b/test/eigen/test_dagostino/maxA_and_lapl_extremums
index 0f3bb52b..019ce2e0 100755
Binary files a/test/eigen/test_dagostino/maxA_and_lapl_extremums and b/test/eigen/test_dagostino/maxA_and_lapl_extremums differ
diff --git a/test/eigen/test_dagostino/maxA_results.dat b/test/eigen/test_dagostino/maxA_results.dat
index dd2a78a1..cacd2286 100644
--- a/test/eigen/test_dagostino/maxA_results.dat
+++ b/test/eigen/test_dagostino/maxA_results.dat
@@ -1,2 +1,3 @@
              2169502           27.770613          426.074310          348.108172            4.548301             25.4692
              7795872           79.985558          471.222463          401.291032           41.603605             61.8742
+               95976           28.440679          442.050408          279.115043            0.403836              2.3201
diff --git a/test/eigen/test_dagostino/test_realnet b/test/eigen/test_dagostino/test_realnet
index 07bea7c7..810b6dd7 100755
Binary files a/test/eigen/test_dagostino/test_realnet and b/test/eigen/test_dagostino/test_realnet differ