Traits reduction, file + structs renaming

2026-02-10 13:16:44 +01:00 · 2025-10-21 10:17:52 +02:00
parent 77b49ea530
commit db3b20b8f6
106 changed files with 1026 additions and 1108 deletions
--- a/poulpy-core/src/noise/gglwe.rs
+++ b/poulpy-core/src/noise/gglwe.rs
@@ -0,0 +1,76 @@
+use poulpy_hal::{
+    api::{ScratchAvailable, ScratchOwnedAlloc, ScratchOwnedBorrow, ScratchTakeBasic, VecZnxFillUniform, VecZnxSubScalarInplace},
+    layouts::{Backend, DataRef, Module, ScalarZnxToRef, Scratch, ScratchOwned, ZnxZero},
+};
+
+use crate::decryption::GLWEDecrypt;
+use crate::layouts::{GGLWE, GGLWEInfos, GGLWEToRef, GLWEPlaintext, LWEInfos, prepared::GLWESecretPreparedToRef};
+
+impl<D: DataRef> GGLWE<D> {
+    pub fn assert_noise<M, S, P, BE: Backend>(&self, module: &M, sk_prepared: &S, pt_want: &P, max_noise: f64)
+    where
+        S: GLWESecretPreparedToRef<BE>,
+        P: ScalarZnxToRef,
+        M: GGLWENoise<BE>,
+        Scratch<BE>: ScratchTakeBasic,
+    {
+        module.gglwe_assert_noise(self, sk_prepared, pt_want, max_noise);
+    }
+}
+
+pub trait GGLWENoise<BE: Backend> {
+    fn gglwe_assert_noise<R, S, P>(&self, res: &R, sk_prepared: &S, pt_want: &P, max_noise: f64)
+    where
+        R: GGLWEToRef,
+        S: GLWESecretPreparedToRef<BE>,
+        P: ScalarZnxToRef,
+        Scratch<BE>: ScratchTakeBasic;
+}
+
+impl<BE: Backend> GGLWENoise<BE> for Module<BE>
+where
+    Module<BE>: GLWEDecrypt<BE> + VecZnxFillUniform + VecZnxSubScalarInplace,
+    ScratchOwned<BE>: ScratchOwnedAlloc<BE> + ScratchOwnedBorrow<BE>,
+    Scratch<BE>: ScratchAvailable + ScratchTakeBasic,
+{
+    fn gglwe_assert_noise<R, S, P>(&self, res: &R, sk_prepared: &S, pt_want: &P, max_noise: f64)
+    where
+        R: GGLWEToRef,
+        S: GLWESecretPreparedToRef<BE>,
+        P: ScalarZnxToRef,
+        ScratchOwned<BE>: ScratchOwnedAlloc<BE> + ScratchOwnedBorrow<BE>,
+        Scratch<BE>: ScratchAvailable + ScratchTakeBasic,
+    {
+        let res: &GGLWE<&[u8]> = &res.to_ref();
+
+        let dsize: usize = res.dsize().into();
+        let base2k: usize = res.base2k().into();
+
+        let mut scratch: ScratchOwned<BE> = ScratchOwned::alloc(self.glwe_decrypt_tmp_bytes(res));
+        let mut pt: GLWEPlaintext<Vec<u8>> = GLWEPlaintext::alloc_from_infos(res);
+
+        (0..res.rank_in().into()).for_each(|col_i| {
+            (0..res.dnum().into()).for_each(|row_i| {
+                self.glwe_decrypt(
+                    &res.at(row_i, col_i),
+                    &mut pt,
+                    sk_prepared,
+                    scratch.borrow(),
+                );
+
+                self.vec_znx_sub_scalar_inplace(&mut pt.data, 0, (dsize - 1) + row_i * dsize, pt_want, col_i);
+
+                let noise_have: f64 = pt.data.std(base2k, 0).log2();
+
+                // println!("noise_have: {noise_have}");
+
+                assert!(
+                    noise_have <= max_noise,
+                    "noise_have: {noise_have} > max_noise: {max_noise}"
+                );
+
+                pt.data.zero();
+            });
+        });
+    }
+}