message: delete nngridder copy constructor
diff: @@ -174,6 +174,8 @@ class NNGridder {
  gpu_ligandAInfo(NULL), gpu_ligWhichGrid(NULL) {
  }
  + NNGridder(const NNGridder&) = delete;
  +
  virtual ~NNGridder() {if (gmaker) delete gmaker;}
  virtual void initialize(const gridoptions& opt);
  