message: Got rid of some old references.
diff: @@ -17,7 +17,6 @@ limitations under the License.
  #include <vector>
  #include <pybind11/numpy.h>
  -#include "dok.h"
  namespace py = pybind11;
  using namespace std;
  @@ -29,28 +28,6 @@ void getAlphaBeta(double* aOa, double* bOa, double* alphas, double* betas, int N
  void getCfactors(double* preCoef, int Asize, double* x,double* x2, double* x4, double* x6, double* x8, double* x10,double* x12,double* x14,double* x16,double* x18, double* y,double* y2, double* y4, double* y6, double* y8, double* y10,double* y12,double* y14,double* y16,double* y18, double* z, double* z2, double* z4, double* z6, double* z8, double* z10,double* z12,double* z14,double* z16,double* z18, double* r2, double* r4, double* r6, double* r8,double* r10,double* r12,double* r14,double* r16,double* r18, int totalAN, int lMax);
  void getC(double* CDevX,double* CDevY, double* CDevZ, double* C, double* preCoef, double* x, double* y, double* z,double* r2, double* bOa, double* aOa, double* exes, int totalAN, int Asize, int Ns, int Ntypes, int lMax, int posI, int typeJ,vector<int>&indices);
  void getP(double* soapMat, double* Cnnd, int Ns, int Ts, int Hs, int lMax);
  -DOK4D soapGTODevXSparse(
  - py::array_t<double> descriptor,
  - py::array_t<double> cnnd,
  - py::array_t<double> positions,
  - py::array_t<double> centers,
  - py::array_t<int> center_indices,
  - py::array_t<double> alphasArr,
  - py::array_t<double> betasArr,
  - py::array_t<int> atomicNumbersArr,
  - const double rCut,
  - const double cutoffPadding,
  - const int totalAN,
  - const int Nt,
  - const int Ns,
  - const int lMax,
  - const int Hs,
  - const double eta,
  - const bool crossover,
  - py::array_t<int> indices,
  - const bool return_descriptor,
  - const bool return_derivatives
  -);
  void soapGTODevX(
  py::array_t<double> derivatives,
  py::array_t<double> descriptor,
  