#include <vector>

#ifdef __CINT__
#pragma link C++ class std::vector<std::vector<double> >+;
#pragma link C++ class std::vector<std::vector<std::vector<double> > >+;
#endif

struct myStruct
{
  std::vector<double>                             vec1;
  std::vector<std::vector<double> >               vec2;
  std::vector<std::vector<std::vector<double> > > vec3;
};