Method DiffShape

fem/diffop.cpp:633–641

  shared_ptr<CoefficientFunction> BlockDifferentialOperator ::
  DiffShape (shared_ptr<CoefficientFunction> proxy,
             shared_ptr<CoefficientFunction> dir,
             bool Eulerian) const 
  {
    // assume it's a grad ...
    // return (-1)*dir->Operator("grad") * proxy;
    return diffop->DiffShape(proxy, dir, Eulerian);
  }