lapack_int LAPACKE_zhpgst(int matrix_layout, lapack_int itype, char uplo, lapack_int n, lapack_complex_double *ap, const lapack_complex_double *bp)
lapack_int LAPACKE_zhpgst_work(int matrix_layout, lapack_int itype, char uplo, lapack_int n, lapack_complex_double *ap, const lapack_complex_double *bp)