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removed from_bytes from trait

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Jean-Philippe Bossuat
2025-02-14 18:40:26 +01:00
parent 19758b4736
commit 55ba2bc209
1 changed files with 22 additions and 19 deletions
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41
base2k/src/vec_znx.rs
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@@ -11,13 +11,6 @@ pub trait VecZnxApi {
/// Returns the minimum size of the [u8] array required to assign a /// Returns the minimum size of the [u8] array required to assign a
/// new backend array to a [VecZnx] through [VecZnx::from_bytes]. /// new backend array to a [VecZnx] through [VecZnx::from_bytes].
fn bytes_of(n: usize, limbs: usize) -> usize; fn bytes_of(n: usize, limbs: usize) -> usize;
/// Returns a new struct implementing [VecZnxApi] with the provided data as backing array.
///
/// The struct will take ownership of buf[..[VecZnx::bytes_of]]
///
/// User must ensure that data is properly alligned and that
/// the size of data is at least equal to [Module::bytes_of_vec_znx].
fn from_bytes(n: usize, limbs: usize, bytes: &mut [u8]) -> impl VecZnxApi;
fn as_ptr(&self) -> *const i64; fn as_ptr(&self) -> *const i64;
fn as_mut_ptr(&mut self) -> *mut i64; fn as_mut_ptr(&mut self) -> *mut i64;
fn at(&self, i: usize) -> &[i64]; fn at(&self, i: usize) -> &[i64];
@@ -38,12 +31,14 @@ pub struct VecZnxBorrow {
pub data: *mut i64, pub data: *mut i64,
} }
impl VecZnxApi for VecZnxBorrow { impl VecZnxBorrow {
fn bytes_of(n: usize, limbs: usize) -> usize { /// Returns a new struct implementing [VecZnxApi] with the provided data as backing array.
bytes_of_vec_znx(n, limbs) ///
} /// The struct will take ownership of buf[..[VecZnx::bytes_of]]
///
fn from_bytes(n: usize, limbs: usize, bytes: &mut [u8]) -> impl VecZnxApi { /// User must ensure that data is properly alligned and that
/// the size of data is at least equal to [Module::bytes_of_vec_znx].
pub fn from_bytes(n: usize, limbs: usize, bytes: &mut [u8]) -> impl VecZnxApi {
let size = Self::bytes_of(n, limbs); let size = Self::bytes_of(n, limbs);
assert!( assert!(
bytes.len() >= size, bytes.len() >= size,
@@ -59,6 +54,12 @@ impl VecZnxApi for VecZnxBorrow {
data: cast_mut(&mut bytes[..size]).as_mut_ptr(), data: cast_mut(&mut bytes[..size]).as_mut_ptr(),
} }
} }
}
impl VecZnxApi for VecZnxBorrow {
fn bytes_of(n: usize, limbs: usize) -> usize {
bytes_of_vec_znx(n, limbs)
}
fn as_ptr(&self) -> *const i64 { fn as_ptr(&self) -> *const i64 {
self.data self.data
@@ -116,18 +117,14 @@ impl VecZnxApi for VecZnxBorrow {
} }
} }
impl VecZnxApi for VecZnx { impl VecZnx {
fn bytes_of(n: usize, limbs: usize) -> usize {
bytes_of_vec_znx(n, limbs)
}
/// Returns a new struct implementing [VecZnxApi] with the provided data as backing array. /// Returns a new struct implementing [VecZnxApi] with the provided data as backing array.
/// ///
/// The struct will take ownership of buf[..[VecZnx::bytes_of]] /// The struct will take ownership of buf[..[VecZnx::bytes_of]]
/// ///
/// User must ensure that data is properly alligned and that /// User must ensure that data is properly alligned and that
/// the size of data is at least equal to [Module::bytes_of_vec_znx]. /// the size of data is at least equal to [Module::bytes_of_vec_znx].
fn from_bytes(n: usize, limbs: usize, buf: &mut [u8]) -> impl VecZnxApi { pub fn from_bytes(n: usize, limbs: usize, buf: &mut [u8]) -> impl VecZnxApi {
let size = Self::bytes_of(n, limbs); let size = Self::bytes_of(n, limbs);
assert!( assert!(
buf.len() >= size, buf.len() >= size,
@@ -143,6 +140,12 @@ impl VecZnxApi for VecZnx {
data: alias_mut_slice_to_vec(cast_mut(&mut buf[..size])), data: alias_mut_slice_to_vec(cast_mut(&mut buf[..size])),
} }
} }
}
impl VecZnxApi for VecZnx {
fn bytes_of(n: usize, limbs: usize) -> usize {
bytes_of_vec_znx(n, limbs)
}
/// Returns a non-mutable pointer to the backing array of the [VecZnx]. /// Returns a non-mutable pointer to the backing array of the [VecZnx].
fn as_ptr(&self) -> *const i64 { fn as_ptr(&self) -> *const i64 {