Function cusolverDnXsyevd_bufferSize 

pub unsafe fn cusolverDnXsyevd_bufferSize(
    handle: cusolverDnHandle_t,
    params: cusolverDnParams_t,
    jobz: cusolverEigMode_t,
    uplo: cublasFillMode_t,
    n: i64,
    dataTypeA: cudaDataType,
    A: *const c_void,
    lda: i64,
    dataTypeW: cudaDataType,
    W: *const c_void,
    computeType: cudaDataType,
    workspaceInBytesOnDevice: *mut usize,
    workspaceInBytesOnHost: *mut usize,
) -> cusolverStatus_t