Method GetDiagMassMatrix

fem/code_generation.cpp:232–234

                    BASE::T_CalcShape(ip, shape);
                }
              void GetDiagMassMatrix(FlatVector<> mass) const {
                  throw Exception("GetDiagMassMatrix not implemented");
              }
          };

        // This class behaves like a numeric type, but 'records' all computations in expression strings