pub unsafe extern fn chseqr_(job: *const c_char,
compz: *const c_char,
n: *const lapack_int,
ilo: *const lapack_int,
ihi: *const lapack_int,
h: *mut lapack_complex_float,
ldh: *const lapack_int,
w: *mut lapack_complex_float,
z: *mut lapack_complex_float,
ldz: *const lapack_int,
work: *mut lapack_complex_float,
lwork: *const lapack_int,
info: *mut lapack_int)