1use crate::ffi::svp;
  2use crate::ffi::vec_znx_dft::vec_znx_dft_t;
  3use crate::znx_base::{ZnxInfos, ZnxView, ZnxViewMut};
  4use crate::{
  5    Backend, FFT64, Module, ScalarZnxDft, ScalarZnxDftOwned, ScalarZnxDftToMut, ScalarZnxDftToRef, ScalarZnxToRef, VecZnxDft,
  6    VecZnxDftToMut, VecZnxDftToRef,
  7};
  8
  9pub trait ScalarZnxDftAlloc<B: Backend> {
 10    fn new_scalar_znx_dft(&self, cols: usize) -> ScalarZnxDftOwned<B>;
 11    fn bytes_of_scalar_znx_dft(&self, cols: usize) -> usize;
 12    fn new_scalar_znx_dft_from_bytes(&self, cols: usize, bytes: Vec<u8>) -> ScalarZnxDftOwned<B>;
 13}
 14
 15pub trait ScalarZnxDftOps<BACKEND: Backend> {
 16    fn svp_prepare<R, A>(&self, res: &mut R, res_col: usize, a: &A, a_col: usize)
 17    where
 18        R: ScalarZnxDftToMut<BACKEND>,
 19        A: ScalarZnxToRef;
 20    fn svp_apply<R, A, B>(&self, res: &mut R, res_col: usize, a: &A, a_col: usize, b: &B, b_col: usize)
 21    where
 22        R: VecZnxDftToMut<BACKEND>,
 23        A: ScalarZnxDftToRef<BACKEND>,
 24        B: VecZnxDftToRef<FFT64>;
 25    fn svp_apply_inplace<R, A>(&self, res: &mut R, res_col: usize, a: &A, a_col: usize)
 26    where
 27        R: VecZnxDftToMut<BACKEND>,
 28        A: ScalarZnxDftToRef<BACKEND>;
 29}
 30
 31impl<B: Backend> ScalarZnxDftAlloc<B> for Module<B> {
 32    fn new_scalar_znx_dft(&self, cols: usize) -> ScalarZnxDftOwned<B> {
 33        ScalarZnxDftOwned::new(self, cols)
 34    }
 35
 36    fn bytes_of_scalar_znx_dft(&self, cols: usize) -> usize {
 37        ScalarZnxDftOwned::bytes_of(self, cols)
 38    }
 39
 40    fn new_scalar_znx_dft_from_bytes(&self, cols: usize, bytes: Vec<u8>) -> ScalarZnxDftOwned<B> {
 41        ScalarZnxDftOwned::new_from_bytes(self, cols, bytes)
 42    }
 43}
 44
 45impl ScalarZnxDftOps<FFT64> for Module<FFT64> {
 46    fn svp_prepare<R, A>(&self, res: &mut R, res_col: usize, a: &A, a_col: usize)
 47    where
 48        R: ScalarZnxDftToMut<FFT64>,
 49        A: ScalarZnxToRef,
 50    {
 51        unsafe {
 52            svp::svp_prepare(
 53                self.ptr,
 54                res.to_mut().at_mut_ptr(res_col, 0) as *mut svp::svp_ppol_t,
 55                a.to_ref().at_ptr(a_col, 0),
 56            )
 57        }
 58    }
 59
 60    fn svp_apply<R, A, B>(&self, res: &mut R, res_col: usize, a: &A, a_col: usize, b: &B, b_col: usize)
 61    where
 62        R: VecZnxDftToMut<FFT64>,
 63        A: ScalarZnxDftToRef<FFT64>,
 64        B: VecZnxDftToRef<FFT64>,
 65    {
 66        let mut res: VecZnxDft<&mut [u8], FFT64> = res.to_mut();
 67        let a: ScalarZnxDft<&[u8], FFT64> = a.to_ref();
 68        let b: VecZnxDft<&[u8], FFT64> = b.to_ref();
 69        unsafe {
 70            svp::svp_apply_dft_to_dft(
 71                self.ptr,
 72                res.at_mut_ptr(res_col, 0) as *mut vec_znx_dft_t,
 73                res.size() as u64,
 74                res.cols() as u64,
 75                a.at_ptr(a_col, 0) as *const svp::svp_ppol_t,
 76                b.at_ptr(b_col, 0) as *const vec_znx_dft_t,
 77                b.size() as u64,
 78                b.cols() as u64,
 79            )
 80        }
 81    }
 82
 83    fn svp_apply_inplace<R, A>(&self, res: &mut R, res_col: usize, a: &A, a_col: usize)
 84    where
 85        R: VecZnxDftToMut<FFT64>,
 86        A: ScalarZnxDftToRef<FFT64>,
 87    {
 88        let mut res: VecZnxDft<&mut [u8], FFT64> = res.to_mut();
 89        let a: ScalarZnxDft<&[u8], FFT64> = a.to_ref();
 90        unsafe {
 91            svp::svp_apply_dft_to_dft(
 92                self.ptr,
 93                res.at_mut_ptr(res_col, 0) as *mut vec_znx_dft_t,
 94                res.size() as u64,
 95                res.cols() as u64,
 96                a.at_ptr(a_col, 0) as *const svp::svp_ppol_t,
 97                res.at_ptr(res_col, 0) as *const vec_znx_dft_t,
 98                res.size() as u64,
 99                res.cols() as u64,
100            )
101        }
102    }
103}