pub unsafe extern fn LAPACKE_chseqr(matrix_layout: c_int,
job: c_char,
compz: c_char,
n: lapack_int,
ilo: lapack_int,
ihi: lapack_int,
h: *mut lapack_complex_float,
ldh: lapack_int,
w: *mut lapack_complex_float,
z: *mut lapack_complex_float,
ldz: lapack_int)
-> lapack_int