Traits reduction, file + structs renaming

poulpy-core/src/layouts/lwe_switching_key.rs

@@ -0,0 +1,226 @@
+use std::fmt;
+
+use poulpy_hal::{
+    layouts::{Data, DataMut, DataRef, FillUniform, ReaderFrom, WriterTo},
+    source::Source,
+};
+
+use crate::layouts::{
+    Base2K, Degree, Dnum, Dsize, GGLWE, GGLWEInfos, GGLWEToMut, GGLWEToRef, GLWEInfos, GLWESwitchingKey, GLWESwitchingKeyDegrees,
+    GLWESwitchingKeyDegreesMut, LWEInfos, Rank, TorusPrecision,
+};
+
+#[derive(PartialEq, Eq, Copy, Clone, Debug)]
+pub struct LWESwitchingKeyLayout {
+    pub n: Degree,
+    pub base2k: Base2K,
+    pub k: TorusPrecision,
+    pub dnum: Dnum,
+}
+
+impl LWEInfos for LWESwitchingKeyLayout {
+    fn n(&self) -> Degree {
+        self.n
+    }
+
+    fn base2k(&self) -> Base2K {
+        self.base2k
+    }
+
+    fn k(&self) -> TorusPrecision {
+        self.k
+    }
+}
+
+impl GLWEInfos for LWESwitchingKeyLayout {
+    fn rank(&self) -> Rank {
+        self.rank_out()
+    }
+}
+
+impl GGLWEInfos for LWESwitchingKeyLayout {
+    fn rank_in(&self) -> Rank {
+        Rank(1)
+    }
+
+    fn dsize(&self) -> Dsize {
+        Dsize(1)
+    }
+
+    fn rank_out(&self) -> Rank {
+        Rank(1)
+    }
+
+    fn dnum(&self) -> Dnum {
+        self.dnum
+    }
+}
+
+#[derive(PartialEq, Eq, Clone)]
+pub struct LWESwitchingKey<D: Data>(pub(crate) GLWESwitchingKey<D>);
+
+impl<D: Data> LWEInfos for LWESwitchingKey<D> {
+    fn base2k(&self) -> Base2K {
+        self.0.base2k()
+    }
+
+    fn k(&self) -> TorusPrecision {
+        self.0.k()
+    }
+
+    fn n(&self) -> Degree {
+        self.0.n()
+    }
+
+    fn size(&self) -> usize {
+        self.0.size()
+    }
+}
+
+impl<D: Data> GLWEInfos for LWESwitchingKey<D> {
+    fn rank(&self) -> Rank {
+        self.rank_out()
+    }
+}
+
+impl<D: Data> GGLWEInfos for LWESwitchingKey<D> {
+    fn dsize(&self) -> Dsize {
+        self.0.dsize()
+    }
+
+    fn rank_in(&self) -> Rank {
+        self.0.rank_in()
+    }
+
+    fn rank_out(&self) -> Rank {
+        self.0.rank_out()
+    }
+
+    fn dnum(&self) -> Dnum {
+        self.0.dnum()
+    }
+}
+
+impl LWESwitchingKey<Vec<u8>> {
+    pub fn alloc_from_infos<A>(infos: &A) -> Self
+    where
+        A: GGLWEInfos,
+    {
+        assert_eq!(
+            infos.dsize().0,
+            1,
+            "dsize > 1 is not supported for LWESwitchingKey"
+        );
+        assert_eq!(
+            infos.rank_in().0,
+            1,
+            "rank_in > 1 is not supported for LWESwitchingKey"
+        );
+        assert_eq!(
+            infos.rank_out().0,
+            1,
+            "rank_out > 1 is not supported for LWESwitchingKey"
+        );
+        Self::alloc(infos.n(), infos.base2k(), infos.k(), infos.dnum())
+    }
+
+    pub fn alloc(n: Degree, base2k: Base2K, k: TorusPrecision, dnum: Dnum) -> Self {
+        LWESwitchingKey(GLWESwitchingKey::alloc(
+            n,
+            base2k,
+            k,
+            Rank(1),
+            Rank(1),
+            dnum,
+            Dsize(1),
+        ))
+    }
+
+    pub fn bytes_of_from_infos<A>(infos: &A) -> usize
+    where
+        A: GGLWEInfos,
+    {
+        assert_eq!(
+            infos.dsize().0,
+            1,
+            "dsize > 1 is not supported for LWESwitchingKey"
+        );
+        assert_eq!(
+            infos.rank_in().0,
+            1,
+            "rank_in > 1 is not supported for LWESwitchingKey"
+        );
+        assert_eq!(
+            infos.rank_out().0,
+            1,
+            "rank_out > 1 is not supported for LWESwitchingKey"
+        );
+        Self::bytes_of(infos.n(), infos.base2k(), infos.k(), infos.dnum())
+    }
+
+    pub fn bytes_of(n: Degree, base2k: Base2K, k: TorusPrecision, dnum: Dnum) -> usize {
+        GLWESwitchingKey::bytes_of(n, base2k, k, Rank(1), Rank(1), dnum, Dsize(1))
+    }
+}
+
+impl<D: DataRef> fmt::Debug for LWESwitchingKey<D> {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(f, "{self}")
+    }
+}
+
+impl<D: DataMut> FillUniform for LWESwitchingKey<D> {
+    fn fill_uniform(&mut self, log_bound: usize, source: &mut Source) {
+        self.0.fill_uniform(log_bound, source);
+    }
+}
+
+impl<D: DataRef> fmt::Display for LWESwitchingKey<D> {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "(LWESwitchingKey) {}", self.0)
+    }
+}
+
+impl<D: DataMut> ReaderFrom for LWESwitchingKey<D> {
+    fn read_from<R: std::io::Read>(&mut self, reader: &mut R) -> std::io::Result<()> {
+        self.0.read_from(reader)
+    }
+}
+
+impl<D: DataRef> WriterTo for LWESwitchingKey<D> {
+    fn write_to<W: std::io::Write>(&self, writer: &mut W) -> std::io::Result<()> {
+        self.0.write_to(writer)
+    }
+}
+
+impl<D: DataRef> GGLWEToRef for LWESwitchingKey<D> {
+    fn to_ref(&self) -> GGLWE<&[u8]> {
+        self.0.to_ref()
+    }
+}
+
+impl<D: DataMut> GGLWEToMut for LWESwitchingKey<D> {
+    fn to_mut(&mut self) -> GGLWE<&mut [u8]> {
+        self.0.to_mut()
+    }
+}
+
+impl<D: DataMut> GLWESwitchingKeyDegreesMut for LWESwitchingKey<D> {
+    fn input_degree(&mut self) -> &mut Degree {
+        &mut self.0.input_degree
+    }
+
+    fn output_degree(&mut self) -> &mut Degree {
+        &mut self.0.output_degree
+    }
+}
+
+impl<D: DataRef> GLWESwitchingKeyDegrees for LWESwitchingKey<D> {
+    fn input_degree(&self) -> &Degree {
+        &self.0.input_degree
+    }
+
+    fn output_degree(&self) -> &Degree {
+        &self.0.output_degree
+    }
+}