pub unsafe extern fn LAPACKE_zhbtrd(matrix_layout: c_int,
vect: c_char,
uplo: c_char,
n: lapack_int,
kd: lapack_int,
ab: *mut lapack_complex_double,
ldab: lapack_int,
d: *mut c_double,
e: *mut c_double,
q: *mut lapack_complex_double,
ldq: lapack_int)
-> lapack_int