pub fn cheevdx(
ctx: &Context,
mode: EigenMode,
range: EigenRange,
fill_mode: FillMode,
n: usize,
a: &mut DeviceMemory<Complex32>,
lda: usize,
value_range: (f32, f32),
index_range: (usize, usize),
w: &mut DeviceMemory<f32>,
workspace: &mut DeviceMemory<Complex32>,
dev_info: &mut DeviceMemory<i32>,
) -> Result<usize>