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poulpy_ckks/delegates/
rescale.rs

1use anyhow::Result;
2use poulpy_core::{
3    GLWEShift,
4    layouts::{GLWEToBackendMut, GLWEToBackendRef},
5};
6use poulpy_hal::layouts::{Backend, Module, ScratchArena};
7
8use crate::{CKKSCtBounds, SetCKKSInfos, api::CKKSRescaleOps, oep::CKKSRescaleImpl};
9
10impl<BE: Backend + CKKSRescaleImpl<BE>> CKKSRescaleOps<BE> for Module<BE>
11where
12    Module<BE>: GLWEShift<BE>,
13{
14    fn ckks_rescale_tmp_bytes(&self) -> usize {
15        BE::ckks_rescale_tmp_bytes(self)
16    }
17
18    fn ckks_rescale_assign<Dst>(&self, ct: &mut Dst, k: usize, scratch: &mut ScratchArena<'_, BE>) -> Result<()>
19    where
20        Dst: GLWEToBackendMut<BE> + CKKSCtBounds + SetCKKSInfos,
21    {
22        BE::ckks_rescale_assign(self, ct, k, scratch)
23    }
24
25    fn ckks_rescale_into<Dst, Src>(&self, dst: &mut Dst, k: usize, src: &Src, scratch: &mut ScratchArena<'_, BE>) -> Result<()>
26    where
27        Dst: GLWEToBackendMut<BE> + CKKSCtBounds + SetCKKSInfos,
28        Src: GLWEToBackendRef<BE> + CKKSCtBounds,
29    {
30        BE::ckks_rescale_into(self, dst, k, src, scratch)
31    }
32
33    fn ckks_align_pair<A, B>(&self, a: &mut A, b: &mut B, scratch: &mut ScratchArena<'_, BE>) -> Result<()>
34    where
35        A: GLWEToBackendMut<BE> + CKKSCtBounds + SetCKKSInfos,
36        B: GLWEToBackendMut<BE> + CKKSCtBounds + SetCKKSInfos,
37    {
38        BE::ckks_align_pair(self, a, b, scratch)
39    }
40
41    fn ckks_align_tmp_bytes(&self) -> usize {
42        BE::ckks_align_tmp_bytes(self)
43    }
44}