lapack_int LAPACKE_zhptrd_work(int matrix_layout, char uplo, lapack_int n, lapack_complex_double *ap, double *d, double *e, lapack_complex_double *tau)
lapack_int LAPACKE_zhptrd(int matrix_layout, char uplo, lapack_int n, lapack_complex_double *ap, double *d, double *e, lapack_complex_double *tau)