Crates io (#76)

* crates re-organisation

* fixed typo in layout & added test for vmp_apply

* updated dependencies

poulpy-hal/src/api/svp_ppol.rs

@@ -0,0 +1,42 @@
+use crate::layouts::{Backend, ScalarZnxToRef, SvpPPolOwned, SvpPPolToMut, SvpPPolToRef, VecZnxDftToMut, VecZnxDftToRef};
+
+/// Allocates as [crate::layouts::SvpPPol].
+pub trait SvpPPolAlloc<B: Backend> {
+    fn svp_ppol_alloc(&self, n: usize, cols: usize) -> SvpPPolOwned<B>;
+}
+
+/// Returns the size in bytes to allocate a [crate::layouts::SvpPPol].
+pub trait SvpPPolAllocBytes {
+    fn svp_ppol_alloc_bytes(&self, n: usize, cols: usize) -> usize;
+}
+
+/// Consume a vector of bytes into a [crate::layouts::MatZnx].
+/// User must ensure that bytes is memory aligned and that it length is equal to [SvpPPolAllocBytes].
+pub trait SvpPPolFromBytes<B: Backend> {
+    fn svp_ppol_from_bytes(&self, n: usize, cols: usize, bytes: Vec<u8>) -> SvpPPolOwned<B>;
+}
+
+/// Prepare a [crate::layouts::ScalarZnx] into an [crate::layouts::SvpPPol].
+pub trait SvpPrepare<B: Backend> {
+    fn svp_prepare<R, A>(&self, res: &mut R, res_col: usize, a: &A, a_col: usize)
+    where
+        R: SvpPPolToMut<B>,
+        A: ScalarZnxToRef;
+}
+
+/// Apply a scalar-vector product between `a[a_col]` and `b[b_col]` and stores the result on `res[res_col]`.
+pub trait SvpApply<B: Backend> {
+    fn svp_apply<R, A, C>(&self, res: &mut R, res_col: usize, a: &A, a_col: usize, b: &C, b_col: usize)
+    where
+        R: VecZnxDftToMut<B>,
+        A: SvpPPolToRef<B>,
+        C: VecZnxDftToRef<B>;
+}
+
+/// Apply a scalar-vector product between `res[res_col]` and `a[a_col]` and stores the result on `res[res_col]`.
+pub trait SvpApplyInplace<B: Backend> {
+    fn svp_apply_inplace<R, A>(&self, res: &mut R, res_col: usize, a: &A, a_col: usize)
+    where
+        R: VecZnxDftToMut<B>,
+        A: SvpPPolToRef<B>;
+}