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//               KokkosKernels 0.9: Linear Algebra and Graph Kernels
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#ifndef MKL_SPMV_HPP_
#define MKL_SPMV_HPP_

#ifdef HAVE_MKL
#include <mkl.h>

template<typename AType, typename XType, typename YType>
void mkl_matvec(AType A, XType x, YType y, int rows_per_thread, int team_size, int vector_length) {

  double s_a = 1.0;
  double s_b = 0.0;

  char matdescra[6] = "GLNC0";
  char transa = 'N';
  int m = A.numRows();
  int n = x.dimension_1();
  int k = A.numCols();
  double* x_ptr = (double*)x.ptr_on_device();
  double* y_ptr = (double*)y.ptr_on_device();

  mkl_dcsrmv(&transa,
             &m, &k,
             &s_a,
             matdescra,
             A.values.ptr_on_device(),
             A.graph.entries.ptr_on_device(),
             (int*) &A.graph.row_map(0),
             (int*) &A.graph.row_map(1),
             x_ptr,
             &s_b,
             y_ptr);
}
#endif

#endif /* MKL_SPMV_HPP_ */
