pub unsafe fn dggev(
jobvl: u8,
jobvr: u8,
n: i32,
a: &mut [f64],
lda: i32,
b: &mut [f64],
ldb: i32,
alphar: &mut f64,
alphai: &mut f64,
beta: &mut f64,
vl: &mut f64,
ldvl: i32,
vr: &mut f64,
ldvr: i32,
work: &mut [f64],
lwork: i32,
info: &mut i32,
)