Function SpMatDnVec

XM/include/Sparse/spmatmul.h:32–45

// CSC and CSR is the same code
template <typename T>
inline void SpMatDnVec(
    DeviceSparseHandle& cusparse_H, 
    const DeviceSpMatCSR<T>& A, const DeviceDnTen<T>& x, DeviceDnTen<T>& y, 
    const double alpha, const double beta,
    void* buffer
) {
    CHECK_CUSPARSE( cusparseSpMV(
        cusparse_H.cusparse_handle, CUSPARSE_OPERATION_NON_TRANSPOSE,
        &alpha, A.cusparse_descr, x.cusparse_descr, 
        &beta, y.cusparse_descr,
        CudaTypeMapper<T>::value, CUSPARSE_SPMV_ALG_DEFAULT, buffer
    ) );
    return;
}

// //spGEMM for three CSR matrix
// template <typename T>