Function aoclsparse_dmv 

pub unsafe extern "C" fn aoclsparse_dmv(
    op: aoclsparse_operation,
    alpha: *const f64,
    A: aoclsparse_matrix,
    descr: aoclsparse_mat_descr,
    x: *const f64,
    beta: *const f64,
    y: *mut f64,
) -> aoclsparse_status