pub unsafe fn ctgsna(
job: u8,
howmny: u8,
select: &[i32],
n: i32,
a: &[c32],
lda: i32,
b: &[c32],
ldb: i32,
vl: &[c32],
ldvl: i32,
vr: &[c32],
ldvr: i32,
s: &mut [f32],
dif: &mut f32,
mm: i32,
m: &mut i32,
work: &mut [c32],
lwork: i32,
iwork: &mut [i32],
info: &mut i32,
)