54     T x1(in+i);  in operator ()()  local
59     res.array() += (in[0] * x1 + x2).array() * x3.array();  in operator ()()
69     T x1(in+i);  in operator ()()  local
70     int step   = x1.size() * 4;  in operator ()()
74     MapType(out+i*stride+0*step, x1.rows()*2, x1.cols()*2) = x1.replicate(2,2);  in operator ()()
75     MapType(out+i*stride+1*step, x1.rows()*3, x1.cols()) = in[i] * x1.colwise().replicate(3);  in operator ()()
76     MapType(out+i*stride+2*step, x1.rows(), x1.cols()*3) = in[i] * x1.rowwise().replicate(3);  in operator ()()
87     T x1(in+i);  in operator ()()  local
88     out[i*N+0] = x1.minCoeff();  in operator ()()
89     out[i*N+1] = x1.maxCoeff();  in operator ()()
90     out[i*N+2] = x1.sum();  in operator ()()
91     out[i*N+3] = x1.prod();  in operator ()()
92     out[i*N+4] = x1.matrix().squaredNorm();  in operator ()()
93     out[i*N+5] = x1.matrix().norm();  in operator ()()
94     out[i*N+6] = x1.colwise().sum().maxCoeff();  in operator ()()
95     out[i*N+7] = x1.rowwise().maxCoeff().sum();  in operator ()()
96     out[i*N+8] = x1.matrix().colwise().squaredNorm().sum();  in operator ()()
107     T1 x1(in+i);  in operator ()()  local
110     res += in[i] * x1 * x2;  in operator ()()
120     T1 x1(in+i);  in operator ()()  local
122     res += x1.diagonal();  in operator ()()