Backend refactor (#120)

* remove spqlios, split cpu_ref and cpu_avx into different crates

* remove spqlios submodule

* update crate naming & add avx tests

poulpy-cpu-ref/src/svp.rs

@@ -0,0 +1,66 @@
+use poulpy_hal::{
+    layouts::{Backend, Module, ScalarZnxToRef, SvpPPolOwned, SvpPPolToMut, SvpPPolToRef, VecZnxDftToMut, VecZnxDftToRef},
+    oep::{
+        SvpApplyDftToDftImpl, SvpApplyDftToDftInplaceImpl, SvpPPolAllocBytesImpl, SvpPPolAllocImpl, SvpPPolFromBytesImpl,
+        SvpPrepareImpl,
+    },
+    reference::fft64::svp::{svp_apply_dft_to_dft, svp_apply_dft_to_dft_inplace, svp_prepare},
+};
+
+use crate::{FFT64Ref, module::FFT64ModuleHandle};
+
+unsafe impl SvpPPolFromBytesImpl<Self> for FFT64Ref {
+    fn svp_ppol_from_bytes_impl(n: usize, cols: usize, bytes: Vec<u8>) -> SvpPPolOwned<Self> {
+        SvpPPolOwned::from_bytes(n, cols, bytes)
+    }
+}
+
+unsafe impl SvpPPolAllocImpl<Self> for FFT64Ref {
+    fn svp_ppol_alloc_impl(n: usize, cols: usize) -> SvpPPolOwned<Self> {
+        SvpPPolOwned::alloc(n, cols)
+    }
+}
+
+unsafe impl SvpPPolAllocBytesImpl<Self> for FFT64Ref {
+    fn svp_ppol_bytes_of_impl(n: usize, cols: usize) -> usize {
+        Self::layout_prep_word_count() * n * cols * size_of::<f64>()
+    }
+}
+
+unsafe impl SvpPrepareImpl<Self> for FFT64Ref {
+    fn svp_prepare_impl<R, A>(module: &Module<Self>, res: &mut R, res_col: usize, a: &A, a_col: usize)
+    where
+        R: SvpPPolToMut<Self>,
+        A: ScalarZnxToRef,
+    {
+        svp_prepare(module.get_fft_table(), res, res_col, a, a_col);
+    }
+}
+
+unsafe impl SvpApplyDftToDftImpl<Self> for FFT64Ref {
+    fn svp_apply_dft_to_dft_impl<R, A, B>(
+        _module: &Module<Self>,
+        res: &mut R,
+        res_col: usize,
+        a: &A,
+        a_col: usize,
+        b: &B,
+        b_col: usize,
+    ) where
+        R: VecZnxDftToMut<Self>,
+        A: SvpPPolToRef<Self>,
+        B: VecZnxDftToRef<Self>,
+    {
+        svp_apply_dft_to_dft(res, res_col, a, a_col, b, b_col);
+    }
+}
+
+unsafe impl SvpApplyDftToDftInplaceImpl for FFT64Ref {
+    fn svp_apply_dft_to_dft_inplace_impl<R, A>(_module: &Module<Self>, res: &mut R, res_col: usize, a: &A, a_col: usize)
+    where
+        R: VecZnxDftToMut<Self>,
+        A: SvpPPolToRef<Self>,
+    {
+        svp_apply_dft_to_dft_inplace(res, res_col, a, a_col);
+    }
+}