pub unsafe extern "C" fn dtrsna_(
job: *const c_char,
howmny: *const c_char,
select: *const c_int,
n: *const c_int,
t: *const c_double,
ldt: *const c_int,
vl: *const c_double,
ldvl: *const c_int,
vr: *const c_double,
ldvr: *const c_int,
s: *mut c_double,
sep: *mut c_double,
mm: *const c_int,
m: *mut c_int,
work: *mut c_double,
lwork: *const c_int,
iwork: *mut c_int,
info: *mut c_int,
)