pub unsafe extern "C" fn cneupd_c(
rvec: c_int,
howmny: *const c_char,
select: *const c_int,
d: *mut __BindgenComplex<f32>,
z: *mut __BindgenComplex<f32>,
ldz: c_int,
sigma: __BindgenComplex<f32>,
workev: *mut __BindgenComplex<f32>,
bmat: *const c_char,
n: c_int,
which: *const c_char,
nev: c_int,
tol: f32,
resid: *mut __BindgenComplex<f32>,
ncv: c_int,
v: *mut __BindgenComplex<f32>,
ldv: c_int,
iparam: *mut c_int,
ipntr: *mut c_int,
workd: *mut __BindgenComplex<f32>,
workl: *mut __BindgenComplex<f32>,
lworkl: c_int,
rwork: *mut f32,
info: *mut c_int
)