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wip rlwe + some bug fixes in base2k

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This commit is contained in:
Jean-Philippe Bossuat
2025-02-11 18:16:09 +01:00
parent ec6968d52a
commit 8f33442d5a
18 changed files with 801 additions and 86 deletions
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6
base2k/src/encoding.rs
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@@ -56,6 +56,8 @@ impl Encoding for VecZnx {
fn encode_vec_i64(&mut self, log_base2k: usize, log_k: usize, data: &[i64], log_max: usize) {
let limbs: usize = (log_k + log_base2k - 1) / log_base2k;
println!("limbs: {}", limbs);
assert!(limbs <= self.limbs(), "invalid argument log_k: (log_k + self.log_base2k - 1)/self.log_base2k={} > self.limbs()={}", limbs, self.limbs());
let size: usize = min(data.len(), self.n());
@@ -65,10 +67,10 @@ impl Encoding for VecZnx {
// values on the last limb.
// Else we decompose values base2k.
if log_max + log_k_rem < 63 || log_k_rem == log_base2k {
(0..limbs - 1).for_each(|i| unsafe {
(0..self.limbs()).for_each(|i| unsafe {
znx_zero_i64_ref(size as u64, self.at_mut(i).as_mut_ptr());
});
self.at_mut(self.limbs() - 1)[..size].copy_from_slice(&data[..size]);
self.at_mut(limbs - 1)[..size].copy_from_slice(&data[..size]);
} else {
let mask: i64 = (1 << log_base2k) - 1;
let steps: usize = min(limbs, (log_max + log_base2k - 1) / log_base2k);