pub unsafe extern "C" fn zgecon_(
norm: *const c_char,
n: *const c_int,
a: *const Rcomplex,
lda: *const c_int,
anorm: *const c_double,
rcond: *mut c_double,
work: *mut Rcomplex,
rwork: *mut c_double,
info: *mut c_int,
)