11{
   15 
   19 
   20  
   21 
   22  t2s_1(
i, 
j) = t3dg_2(
i, 
j, 
k) * t1_2(
k);
 
   24                  - (t3dg_2(0, 0, 0) * t1_2(0) + t3dg_2(0, 0, 1) * t1_2(1)
   25                     + t3dg_2(0, 0, 2) * t1_2(2)),
   26                "T3dg(i,j,k)*T1(k)(0,0)");
   28                  - (t3dg_2(0, 1, 0) * t1_2(0) + t3dg_2(0, 1, 1) * t1_2(1)
   29                     + t3dg_2(0, 1, 2) * t1_2(2)),
   30                "T3dg(i,j,k)*T1(k)(0,1)");
   32                  - (t3dg_2(0, 2, 0) * t1_2(0) + t3dg_2(0, 2, 1) * t1_2(1)
   33                     + t3dg_2(0, 2, 2) * t1_2(2)),
   34                "T3dg(i,j,k)*T1(k)(0,2)");
   36                  - (t3dg_2(1, 0, 0) * t1_2(0) + t3dg_2(1, 0, 1) * t1_2(1)
   37                     + t3dg_2(1, 0, 2) * t1_2(2)),
   38                "T3dg(i,j,k)*T1(k)(1,0)");
   40                  - (t3dg_2(1, 1, 0) * t1_2(0) + t3dg_2(1, 1, 1) * t1_2(1)
   41                     + t3dg_2(1, 1, 2) * t1_2(2)),
   42                "T3dg(i,j,k)*T1(k)(1,1)");
   44                  - (t3dg_2(1, 2, 0) * t1_2(0) + t3dg_2(1, 2, 1) * t1_2(1)
   45                     + t3dg_2(1, 2, 2) * t1_2(2)),
   46                "T3dg(i,j,k)*T1(k)(1,2)");
   48                  - (t3dg_2(2, 0, 0) * t1_2(0) + t3dg_2(2, 0, 1) * t1_2(1)
   49                     + t3dg_2(2, 0, 2) * t1_2(2)),
   50                "T3dg(i,j,k)*T1(k)(2,0)");
   52                  - (t3dg_2(2, 1, 0) * t1_2(0) + t3dg_2(2, 1, 1) * t1_2(1)
   53                     + t3dg_2(2, 1, 2) * t1_2(2)),
   54                "T3dg(i,j,k)*T1(k)(2,1)");
   56                  - (t3dg_2(2, 2, 0) * t1_2(0) + t3dg_2(2, 2, 1) * t1_2(1)
   57                     + t3dg_2(2, 2, 2) * t1_2(2)),
   58                "T3dg(i,j,k)*T1(k)(2,2)");
   59 
   60  t2s_1(
i, 
j) = t1_2(
k) * t3dg_3(
i, 
j, 
k);
 
   62                  - (t3dg_3(0, 0, 0) * t1_2(0) + t3dg_3(0, 0, 1) * t1_2(1)
   63                     + t3dg_3(0, 0, 2) * t1_2(2)),
   64                "T1(k)*T3dg(i,j,k)(0,0)");
   66                  - (t3dg_3(0, 1, 0) * t1_2(0) + t3dg_3(0, 1, 1) * t1_2(1)
   67                     + t3dg_3(0, 1, 2) * t1_2(2)),
   68                "T1(k)*T3dg(i,j,k)(0,1)");
   70                  - (t3dg_3(0, 2, 0) * t1_2(0) + t3dg_3(0, 2, 1) * t1_2(1)
   71                     + t3dg_3(0, 2, 2) * t1_2(2)),
   72                "T1(k)*T3dg(i,j,k)(0,2)");
   74                  - (t3dg_3(1, 0, 0) * t1_2(0) + t3dg_3(1, 0, 1) * t1_2(1)
   75                     + t3dg_3(1, 0, 2) * t1_2(2)),
   76                "T1(k)*T3dg(i,j,k)(1,0)");
   78                  - (t3dg_3(1, 1, 0) * t1_2(0) + t3dg_3(1, 1, 1) * t1_2(1)
   79                     + t3dg_3(1, 1, 2) * t1_2(2)),
   80                "T1(k)*T3dg(i,j,k)(1,1)");
   82                  - (t3dg_3(1, 2, 0) * t1_2(0) + t3dg_3(1, 2, 1) * t1_2(1)
   83                     + t3dg_3(1, 2, 2) * t1_2(2)),
   84                "T1(k)*T3dg(i,j,k)(1,2)");
   86                  - (t3dg_3(2, 0, 0) * t1_2(0) + t3dg_3(2, 0, 1) * t1_2(1)
   87                     + t3dg_3(2, 0, 2) * t1_2(2)),
   88                "T1(k)*T3dg(i,j,k)(2,0)");
   90                  - (t3dg_3(2, 1, 0) * t1_2(0) + t3dg_3(2, 1, 1) * t1_2(1)
   91                     + t3dg_3(2, 1, 2) * t1_2(2)),
   92                "T1(k)*T3dg(i,j,k)(2,1)");
   94                  - (t3dg_3(2, 2, 0) * t1_2(0) + t3dg_3(2, 2, 1) * t1_2(1)
   95                     + t3dg_3(2, 2, 2) * t1_2(2)),
   96                "T1(k)*T3dg(i,j,k)(2,2)");
   97}
FTensor::Index< 'i', SPACE_DIM > i
FTensor::Index< 'j', 3 > j
FTensor::Index< 'k', 3 > k
void test_for_zero(const T &t, const std::string &s)