text: #pragma once
  
  #include "../spmat.h"
  
  alphasparse_status_t dcu_d_doti(alphasparse_dcu_handle_t handle,
                                 ALPHA_INT nnz,
                                 const double *x_val,
                                 const ALPHA_INT *x_ind,
                                 const double *y,
                                 double *result);
  
  alphasparse_status_t dcu_d_axpyi(alphasparse_dcu_handle_t handle,
                                  ALPHA_INT nnz,
                                  const double alpha,
                                  const double *x_val,
                                  const ALPHA_INT *x_ind,
                                  double *y);
  
  alphasparse_status_t dcu_d_gthr(alphasparse_dcu_handle_t handle,
                                 ALPHA_INT nnz,
                                 const double *y,
                                 double *x_val,
                                 const ALPHA_INT *x_ind);
  
  alphasparse_status_t dcu_d_gthrz(alphasparse_dcu_handle_t handle,
                                  ALPHA_INT nnz,
                                  const double *y,
                                  double *x_val,
                                  const ALPHA_INT *x_ind);
  
  alphasparse_status_t dcu_d_roti(alphasparse_dcu_handle_t handle,
                                 ALPHA_INT nnz,
                                 double *x_val,
                                 const ALPHA_INT *x_ind,
                                 double *y,
                                 const double *c,
                                 const double *s);
  
  alphasparse_status_t dcu_d_sctr(alphasparse_dcu_handle_t handle,
                                 ALPHA_INT nnz,
                                 const double *x_val,
                                 const ALPHA_INT *x_ind,
                                 double *y);
  
  alphasparse_status_t dcu_d_axpby(alphasparse_dcu_handle_t handle,
                                  const void *alpha,
                                  const alphasparse_dcu_spvec_descr_t x,
                                  const void *beta,
                                  alphasparse_dcu_dnvec_descr_t y);