Index: lutinmatrix/src/test/org/codelutin/math/matrix/MatrixNDTest.java
diff -u lutinmatrix/src/test/org/codelutin/math/matrix/MatrixNDTest.java:1.8 lutinmatrix/src/test/org/codelutin/math/matrix/MatrixNDTest.java:1.9
--- lutinmatrix/src/test/org/codelutin/math/matrix/MatrixNDTest.java:1.8	Mon Aug 28 11:41:20 2006
+++ lutinmatrix/src/test/org/codelutin/math/matrix/MatrixNDTest.java	Mon Apr  2 10:51:44 2007
@@ -21,9 +21,9 @@
 *
 * Created: 10 mai 2004
 *
-* @version $Revision: 1.8 $
+* @version $Revision: 1.9 $
 *
-* Mise a jour: $Date: 2006/08/28 11:41:20 $
+* Mise a jour: $Date: 2007/04/02 10:51:44 $
 * par : $Author: bpoussin $
 */
 
@@ -417,6 +417,36 @@
         assertEquals(3,  mat1.getValue(5,2,6), 0);
     }
 
+    public void testSumOverDim() throws Exception {
+
+        MatrixND mat = null;
+
+        mat = getFactory().create(new int[]{6, 7});
+        MatrixND result = getFactory().create(new int[]{3, 7});
+        
+        MatrixHelper.fill(mat, 3);
+
+        MatrixND sub = mat.getSubMatrix(0, 0, 1);
+        result.paste(new int[]{0,0}, sub.sumOverDim(0));
+
+        sub = mat.getSubMatrix(0, 1, 3);
+        result.paste(new int[]{1,0}, sub.sumOverDim(0));
+
+        sub = mat.getSubMatrix(0, 4, 2);
+        result.paste(new int[]{2,0}, sub.sumOverDim(0));
+        
+        mat = getFactory().create(new int[]{6, 7});        
+        MatrixHelper.fill(mat, 3);
+        
+        
+        
+        mat = mat.sumOverDim(0, 0, 1);
+        mat = mat.sumOverDim(0, 1, 3);
+        mat = mat.sumOverDim(0, 2, 2);
+        
+        assertTrue(result.equalsValues(mat));
+    }
+    
     public void testReduce() throws Exception {
 
         MatrixND mat = null;
@@ -659,5 +689,7 @@
         }
         return result;
     }
+    
+    
 
 }