Function cusolverDnChetrd_bufferSize 

pub unsafe extern "C" fn cusolverDnChetrd_bufferSize(
    handle: cusolverDnHandle_t,
    uplo: cublasFillMode_t,
    n: c_int,
    A: *const cuComplex,
    lda: c_int,
    d: *const f32,
    e: *const f32,
    tau: *const cuComplex,
    lwork: *mut c_int,
) -> cusolverStatus_t