updated repo for publishing (#74)

poulpy-core/src/layouts/prepared/gglwe_ksk.rs

@@ -0,0 +1,129 @@
+use poulpy_backend::hal::{
+    api::{VmpPMatAlloc, VmpPMatAllocBytes, VmpPrepare},
+    layouts::{Backend, Data, DataMut, DataRef, Module, Scratch, VmpPMat},
+};
+
+use crate::layouts::{
+    GGLWESwitchingKey, Infos,
+    prepared::{GGLWECiphertextPrepared, Prepare, PrepareAlloc},
+};
+
+#[derive(PartialEq, Eq)]
+pub struct GGLWESwitchingKeyPrepared<D: Data, B: Backend> {
+    pub(crate) key: GGLWECiphertextPrepared<D, B>,
+    pub(crate) sk_in_n: usize,  // Degree of sk_in
+    pub(crate) sk_out_n: usize, // Degree of sk_out
+}
+
+impl<B: Backend> GGLWESwitchingKeyPrepared<Vec<u8>, B> {
+    #[allow(clippy::too_many_arguments)]
+    pub fn alloc(
+        module: &Module<B>,
+        n: usize,
+        basek: usize,
+        k: usize,
+        rows: usize,
+        digits: usize,
+        rank_in: usize,
+        rank_out: usize,
+    ) -> Self
+    where
+        Module<B>: VmpPMatAlloc<B>,
+    {
+        GGLWESwitchingKeyPrepared::<Vec<u8>, B> {
+            key: GGLWECiphertextPrepared::alloc(module, n, basek, k, rows, digits, rank_in, rank_out),
+            sk_in_n: 0,
+            sk_out_n: 0,
+        }
+    }
+
+    #[allow(clippy::too_many_arguments)]
+    pub fn bytes_of(
+        module: &Module<B>,
+        n: usize,
+        basek: usize,
+        k: usize,
+        rows: usize,
+        digits: usize,
+        rank_in: usize,
+        rank_out: usize,
+    ) -> usize
+    where
+        Module<B>: VmpPMatAllocBytes,
+    {
+        GGLWECiphertextPrepared::bytes_of(module, n, basek, k, rows, digits, rank_in, rank_out)
+    }
+}
+
+impl<D: Data, B: Backend> Infos for GGLWESwitchingKeyPrepared<D, B> {
+    type Inner = VmpPMat<D, B>;
+
+    fn inner(&self) -> &Self::Inner {
+        self.key.inner()
+    }
+
+    fn basek(&self) -> usize {
+        self.key.basek()
+    }
+
+    fn k(&self) -> usize {
+        self.key.k()
+    }
+}
+
+impl<D: Data, B: Backend> GGLWESwitchingKeyPrepared<D, B> {
+    pub fn rank(&self) -> usize {
+        self.key.data.cols_out() - 1
+    }
+
+    pub fn rank_in(&self) -> usize {
+        self.key.data.cols_in()
+    }
+
+    pub fn rank_out(&self) -> usize {
+        self.key.data.cols_out() - 1
+    }
+
+    pub fn digits(&self) -> usize {
+        self.key.digits()
+    }
+
+    pub fn sk_degree_in(&self) -> usize {
+        self.sk_in_n
+    }
+
+    pub fn sk_degree_out(&self) -> usize {
+        self.sk_out_n
+    }
+}
+
+impl<D: DataMut, DR: DataRef, B: Backend> Prepare<B, GGLWESwitchingKey<DR>> for GGLWESwitchingKeyPrepared<D, B>
+where
+    Module<B>: VmpPrepare<B>,
+{
+    fn prepare(&mut self, module: &Module<B>, other: &GGLWESwitchingKey<DR>, scratch: &mut Scratch<B>) {
+        self.key.prepare(module, &other.key, scratch);
+        self.sk_in_n = other.sk_in_n;
+        self.sk_out_n = other.sk_out_n;
+    }
+}
+
+impl<D: DataRef, B: Backend> PrepareAlloc<B, GGLWESwitchingKeyPrepared<Vec<u8>, B>> for GGLWESwitchingKey<D>
+where
+    Module<B>: VmpPMatAlloc<B> + VmpPrepare<B>,
+{
+    fn prepare_alloc(&self, module: &Module<B>, scratch: &mut Scratch<B>) -> GGLWESwitchingKeyPrepared<Vec<u8>, B> {
+        let mut atk_prepared: GGLWESwitchingKeyPrepared<Vec<u8>, B> = GGLWESwitchingKeyPrepared::alloc(
+            module,
+            self.n(),
+            self.basek(),
+            self.k(),
+            self.rows(),
+            self.digits(),
+            self.rank_in(),
+            self.rank_out(),
+        );
+        atk_prepared.prepare(module, self, scratch);
+        atk_prepared
+    }
+}