Function ca_dernull

Source/driver/Derive.cpp:874–885

  }

  void ca_dernull(Real* /*der*/, const int* /*der_lo*/, const int* /*der_hi*/, const int* /*nvar*/,
                  const Real* /*data*/, const int* /*data_lo*/, const int* /*data_hi*/, const int* /*ncomp*/,
                  const int* /*lo*/, const int* /*hi*/,
                  const int* /*domain_lo*/, const int* /*domain_hi*/,
                  const Real* /*delta*/, const Real* /*xlo*/,
                  const Real* /*time*/, const Real* /*dt*/, const int* /*bcrec*/,
                  const int* /*level*/, const int* /*grid_no*/)
  {

    // This routine is used by particle_count.  Yes it does nothing.

  }

  void ca_derspec(const Box& bx, FArrayBox& derfab, int /*dcomp*/, int /*ncomp*/,
                  const FArrayBox& datfab, const Geometry& /*geom*/,