21  t2s_1(
i, 
j) = t2s_2(
i, 
j) * 10;
 
   22  test_for_zero(t2s_1(0, 0) - (t2s_2(0, 0) * 10), 
"T2s*T(0,0)");
 
   23  test_for_zero(t2s_1(0, 1) - (t2s_2(0, 1) * 10), 
"T2s*T(0,1)");
 
   24  test_for_zero(t2s_1(0, 2) - (t2s_2(0, 2) * 10), 
"T2s*T(0,2)");
 
   25  test_for_zero(t2s_1(1, 0) - (t2s_2(1, 0) * 10), 
"T2s*T(1,0)");
 
   26  test_for_zero(t2s_1(1, 1) - (t2s_2(1, 1) * 10), 
"T2s*T(1,1)");
 
   27  test_for_zero(t2s_1(1, 2) - (t2s_2(1, 2) * 10), 
"T2s*T(1,2)");
 
   28  test_for_zero(t2s_1(2, 0) - (t2s_2(2, 0) * 10), 
"T2s*T(2,0)");
 
   29  test_for_zero(t2s_1(2, 1) - (t2s_2(2, 1) * 10), 
"T2s*T(2,1)");
 
   30  test_for_zero(t2s_1(2, 2) - (t2s_2(2, 2) * 10), 
"T2s*T(2,2)");
 
   32  t2s_1(
i, 
j) = 10 * t2s_2(
i, 
j);
 
   33  test_for_zero(t2s_1(0, 0) - (t2s_2(0, 0) * 10), 
"T*T2s(0,0)");
 
   34  test_for_zero(t2s_1(0, 1) - (t2s_2(0, 1) * 10), 
"T*T2s(0,1)");
 
   35  test_for_zero(t2s_1(0, 2) - (t2s_2(0, 2) * 10), 
"T*T2s(0,2)");
 
   36  test_for_zero(t2s_1(1, 0) - (t2s_2(1, 0) * 10), 
"T*T2s(1,0)");
 
   37  test_for_zero(t2s_1(1, 1) - (t2s_2(1, 1) * 10), 
"T*T2s(1,1)");
 
   38  test_for_zero(t2s_1(1, 2) - (t2s_2(1, 2) * 10), 
"T*T2s(1,2)");
 
   39  test_for_zero(t2s_1(2, 0) - (t2s_2(2, 0) * 10), 
"T*T2s(2,0)");
 
   40  test_for_zero(t2s_1(2, 1) - (t2s_2(2, 1) * 10), 
"T*T2s(2,1)");
 
   41  test_for_zero(t2s_1(2, 2) - (t2s_2(2, 2) * 10), 
"T*T2s(2,2)");
 
   43  t2s_1(
i, 
j) = t2s_2(
i, 
j) / 10;
 
   44  test_for_zero(t2s_1(0, 0) - (t2s_2(0, 0) / 10), 
"T2s/T(0,0)");
 
   45  test_for_zero(t2s_1(0, 1) - (t2s_2(0, 1) / 10), 
"T2s/T(0,1)");
 
   46  test_for_zero(t2s_1(0, 2) - (t2s_2(0, 2) / 10), 
"T2s/T(0,2)");
 
   47  test_for_zero(t2s_1(1, 0) - (t2s_2(1, 0) / 10), 
"T2s/T(1,0)");
 
   48  test_for_zero(t2s_1(1, 1) - (t2s_2(1, 1) / 10), 
"T2s/T(1,1)");
 
   49  test_for_zero(t2s_1(1, 2) - (t2s_2(1, 2) / 10), 
"T2s/T(1,2)");
 
   50  test_for_zero(t2s_1(2, 0) - (t2s_2(2, 0) / 10), 
"T2s/T(2,0)");
 
   51  test_for_zero(t2s_1(2, 1) - (t2s_2(2, 1) / 10), 
"T2s/T(2,1)");
 
   52  test_for_zero(t2s_1(2, 2) - (t2s_2(2, 2) / 10), 
"T2s/T(2,2)");