1use base2k::{
 2    Encoding, FFT64, MatZnxDft, MatZnxDftOps, Module, VecZnx, VecZnxBig, VecZnxBigOps, VecZnxDft, VecZnxDftOps, VecZnxOps,
 3    ZnxInfos, ZnxLayout, alloc_aligned,
 4};
 5
 6fn main() {
 7    let log_n: i32 = 5;
 8    let n: usize = 1 << log_n;
 9
10    let module: Module<FFT64> = Module::<FFT64>::new(n);
11    let log_base2k: usize = 15;
12
13    let a_cols: usize = 2;
14    let a_size: usize = 5;
15
16    let log_k: usize = log_base2k * a_size - 5;
17
18    let mat_rows: usize = a_size;
19    let mat_cols_in: usize = a_cols;
20    let mat_cols_out: usize = 2;
21    let mat_size: usize = a_size + 1;
22
23    let mut tmp_bytes_vmp: Vec<u8> = alloc_aligned(
24        module.vmp_prepare_row_tmp_bytes(mat_cols_out, mat_size)
25            | module.vmp_apply_dft_tmp_bytes(
26                a_size,
27                a_size,
28                mat_rows,
29                mat_cols_in,
30                mat_cols_out,
31                mat_size,
32            ),
33    );
34
35    let mut tmp_bytes_dft: Vec<u8> = alloc_aligned(module.bytes_of_vec_znx_dft(mat_cols_out, mat_size));
36
37    let mut a: VecZnx = module.new_vec_znx(a_cols, a_size);
38
39    (0..a_cols).for_each(|i| {
40        let mut values: Vec<i64> = vec![i64::default(); n];
41        values[1 + i] = (1 << log_base2k) + 1;
42        a.encode_vec_i64(i, log_base2k, log_k, &values, 32);
43        a.normalize(log_base2k, i, &mut tmp_bytes_vmp);
44        a.print(n, i);
45        println!();
46    });
47
48    let mut mat_znx_dft: MatZnxDft<FFT64> = module.new_mat_znx_dft(mat_rows, mat_cols_in, mat_cols_out, mat_size);
49
50    (0..a.size()).for_each(|row_i| {
51        let mut tmp: VecZnx = module.new_vec_znx(mat_cols_out, mat_size);
52        (0..mat_cols_out).for_each(|j| {
53            tmp.at_mut(j, row_i)[1 + j] = 1 as i64;
54        });
55        (0..mat_cols_in).for_each(|j| {
56            module.vmp_prepare_row(&mut mat_znx_dft, row_i, j, &tmp, &mut tmp_bytes_vmp);
57        })
58    });
59
60    let mut c_dft: VecZnxDft<FFT64> = module.new_vec_znx_dft_from_bytes_borrow(mat_cols_out, mat_size, &mut tmp_bytes_dft);
61    module.vmp_apply_dft(&mut c_dft, &a, &mat_znx_dft, &mut tmp_bytes_vmp);
62
63    let mut res: VecZnx = module.new_vec_znx(mat_cols_out, a_size);
64    let mut c_big: VecZnxBig<FFT64> = c_dft.alias_as_vec_znx_big();
65    (0..mat_cols_out).for_each(|i| {
66        module.vec_znx_idft_tmp_a(&mut c_big, i, &mut c_dft, i);
67        module.vec_znx_big_normalize(log_base2k, &mut res, i, &c_big, i, &mut tmp_bytes_vmp);
68
69        let mut values_res: Vec<i64> = vec![i64::default(); n];
70        res.decode_vec_i64(i, log_base2k, log_k, &mut values_res);
71        res.print(n, i);
72        println!();
73        println!("{:?}", values_res);
74        println!();
75    });
76
77    module.free();
78}