Revert "Fix row major / col major confusion"

This reverts commit 204cffc48122b9c66656d42864a604be41433637.

examples/cholesky/cholesky_implicit.c

@@ -304,10 +304,10 @@ static void execute_cholesky(unsigned size, unsigned nblocks)
 		{
 			for (i = 0; i < size; i++)
 			{
-				if (j <= i)
+				if (i <= j)
 				{
 	                                float orig = (1.0f/(1.0f+i+j)) + ((i == j)?1.0f*size:0.0f);
-	                                float err = fabsf(test_mat[i +j*size] - orig) / orig;
+	                                float err = fabsf(test_mat[j +i*size] - orig) / orig;
 	                                if (err > 0.0001)
 					{
 	                                        FPRINTF(stderr, "Error[%u, %u] --> %2.6f != %2.6f (err %2.6f)\n", i, j, test_mat[j +i*size], orig, err);