pub unsafe extern "C" fn dtgsen_(
ijob: *mut c_int,
wantq: *mut c_int,
wantz: *mut c_int,
select: *const c_int,
n: *mut c_int,
a: *mut c_double,
lda: *mut c_int,
b: *mut c_double,
ldb: *mut c_int,
alphar: *mut c_double,
alphai: *mut c_double,
beta: *mut c_double,
q: *mut c_double,
ldq: *mut c_int,
z: *mut c_double,
ldz: *mut c_int,
m: *mut c_int,
pl: *mut c_double,
pr: *mut c_double,
dif: *mut c_double,
work: *mut c_double,
lwork: *mut c_int,
iwork: *mut c_int,
liwork: *mut c_int,
info: *mut c_int
)