poulpy_core/layouts/
mod.rs

1mod gglwe;
2mod ggsw;
3mod glwe;
4mod glwe_automorphism_key;
5mod glwe_plaintext;
6mod glwe_public_key;
7mod glwe_secret;
8mod glwe_switching_key;
9mod glwe_tensor_key;
10mod glwe_to_lwe_switching_key;
11mod lwe;
12mod lwe_plaintext;
13mod lwe_secret;
14mod lwe_switching_key;
15mod lwe_to_glwe_switching_key;
16
17pub mod compressed;
18pub mod prepared;
19
20pub use compressed::*;
21pub use gglwe::*;
22pub use ggsw::*;
23pub use glwe::*;
24pub use glwe_automorphism_key::*;
25pub use glwe_plaintext::*;
26pub use glwe_public_key::*;
27pub use glwe_secret::*;
28pub use glwe_switching_key::*;
29pub use glwe_tensor_key::*;
30pub use glwe_to_lwe_switching_key::*;
31pub use lwe::*;
32pub use lwe_plaintext::*;
33pub use lwe_secret::*;
34pub use lwe_switching_key::*;
35pub use lwe_to_glwe_switching_key::*;
36pub use prepared::*;
37
38use poulpy_hal::layouts::{Backend, Module};
39
40pub trait GetDegree {
41    fn ring_degree(&self) -> Degree;
42}
43
44impl<B: Backend> GetDegree for Module<B> {
45    fn ring_degree(&self) -> Degree {
46        Self::n(self).into()
47    }
48}
49
50/// Newtype over `u32` with arithmetic and comparisons against same type and `u32`.
51/// Arithmetic is **saturating** (add/sub/mul) to avoid debug-overflow panics.
52macro_rules! newtype_u32 {
53    ($name:ident) => {
54        #[repr(transparent)]
55        #[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord)]
56        pub struct $name(pub u32);
57
58        // ----- Conversions -----
59        impl From<$name> for u32 {
60            #[inline]
61            fn from(v: $name) -> u32 {
62                v.0
63            }
64        }
65        impl From<$name> for usize {
66            #[inline]
67            fn from(v: $name) -> usize {
68                v.0 as usize
69            }
70        }
71
72        impl From<u32> for $name {
73            #[inline]
74            fn from(v: u32) -> $name {
75                $name(v)
76            }
77        }
78        impl From<usize> for $name {
79            #[inline]
80            fn from(v: usize) -> $name {
81                $name(v as u32)
82            }
83        }
84
85        // ----- Display -----
86        impl ::core::fmt::Display for $name {
87            #[inline]
88            fn fmt(&self, f: &mut ::core::fmt::Formatter<'_>) -> ::core::fmt::Result {
89                write!(f, "{}", self.0)
90            }
91        }
92
93        // ===== Arithmetic (same type) =====
94        impl ::core::ops::Add for $name {
95            type Output = $name;
96            #[inline]
97            fn add(self, rhs: $name) -> $name {
98                $name(self.0.saturating_add(rhs.0))
99            }
100        }
101        impl ::core::ops::Sub for $name {
102            type Output = $name;
103            #[inline]
104            fn sub(self, rhs: $name) -> $name {
105                $name(self.0.saturating_sub(rhs.0))
106            }
107        }
108        impl ::core::ops::Mul for $name {
109            type Output = $name;
110            #[inline]
111            fn mul(self, rhs: $name) -> $name {
112                $name(self.0.saturating_mul(rhs.0))
113            }
114        }
115
116        // ===== Arithmetic (with u32) =====
117        impl ::core::ops::Add<u32> for $name {
118            type Output = $name;
119            #[inline]
120            fn add(self, rhs: u32) -> $name {
121                $name(self.0.saturating_add(rhs))
122            }
123        }
124        impl ::core::ops::Sub<u32> for $name {
125            type Output = $name;
126            #[inline]
127            fn sub(self, rhs: u32) -> $name {
128                $name(self.0.saturating_sub(rhs))
129            }
130        }
131        impl ::core::ops::Mul<u32> for $name {
132            type Output = $name;
133            #[inline]
134            fn mul(self, rhs: u32) -> $name {
135                $name(self.0.saturating_mul(rhs))
136            }
137        }
138
139        impl $name {
140            #[inline]
141            pub const fn as_u32(self) -> u32 {
142                self.0
143            }
144            #[inline]
145            pub const fn as_usize(self) -> usize {
146                self.0 as usize
147            }
148
149            #[inline]
150            pub fn div_ceil<T: Into<u32>>(self, rhs: T) -> u32 {
151                self.0.div_ceil(rhs.into())
152            }
153        }
154
155        // Optional symmetric forms: u32 (+|-|*) $name -> $name
156        impl ::core::ops::Add<$name> for u32 {
157            type Output = $name;
158            #[inline]
159            fn add(self, rhs: $name) -> $name {
160                $name(self.saturating_add(rhs.0))
161            }
162        }
163        impl ::core::ops::Sub<$name> for u32 {
164            type Output = $name;
165            #[inline]
166            fn sub(self, rhs: $name) -> $name {
167                $name(self.saturating_sub(rhs.0))
168            }
169        }
170        impl ::core::ops::Mul<$name> for u32 {
171            type Output = $name;
172            #[inline]
173            fn mul(self, rhs: $name) -> $name {
174                $name(self.saturating_mul(rhs.0))
175            }
176        }
177
178        // ===== Cross-type comparisons with u32 (both directions) =====
179        impl ::core::cmp::PartialEq<u32> for $name {
180            #[inline]
181            fn eq(&self, other: &u32) -> bool {
182                self.0 == *other
183            }
184        }
185        impl ::core::cmp::PartialEq<$name> for u32 {
186            #[inline]
187            fn eq(&self, other: &$name) -> bool {
188                *self == other.0
189            }
190        }
191
192        impl ::core::cmp::PartialOrd<u32> for $name {
193            #[inline]
194            fn partial_cmp(&self, other: &u32) -> Option<::core::cmp::Ordering> {
195                self.0.partial_cmp(other)
196            }
197        }
198        impl ::core::cmp::PartialOrd<$name> for u32 {
199            #[inline]
200            fn partial_cmp(&self, other: &$name) -> Option<::core::cmp::Ordering> {
201                self.partial_cmp(&other.0)
202            }
203        }
204    };
205}
206
207newtype_u32!(Degree);
208newtype_u32!(TorusPrecision);
209newtype_u32!(Base2K);
210newtype_u32!(Dnum);
211newtype_u32!(Rank);
212newtype_u32!(Dsize);
213
214impl Degree {
215    pub fn log2(&self) -> usize {
216        let n: usize = self.0 as usize;
217        (usize::BITS - (n - 1).leading_zeros()) as _
218    }
219}
poulpy_core/layouts/mod.rs

poulpy_core/layouts/
mod.rs
