Function librsb_sys::BLAS_dusdot

pub unsafe extern "C" fn BLAS_dusdot(
    conj: blas_conj_type, 
    nnz: c_int, 
    x: *const f64, 
    indx: *const c_int, 
    y: *const f64, 
    incy: c_int, 
    r: *mut f64, 
    index_base: blas_base_type
) -> c_int