rename raw dft ops

2026-02-10 13:16:44 +01:00 · 2025-08-25 09:08:27 +02:00
parent 62448e0293
commit 1551f7a6f0
69 changed files with 666 additions and 715 deletions
--- a/poulpy-core/src/encryption/compressed/gglwe_atk.rs
+++ b/poulpy-core/src/encryption/compressed/gglwe_atk.rs
@@ -1,9 +1,9 @@
 use poulpy_hal::{
    api::{
-        ScratchAvailable, SvpApplyInplace, SvpPPolAllocBytes, SvpPrepare, TakeScalarZnx, TakeVecZnx, TakeVecZnxDft,
-        VecZnxAddInplace, VecZnxAddNormal, VecZnxAddScalarInplace, VecZnxAutomorphism, VecZnxBigNormalize, VecZnxDftAllocBytes,
-        VecZnxDftFromVecZnx, VecZnxDftToVecZnxBigConsume, VecZnxFillUniform, VecZnxNormalize, VecZnxNormalizeInplace,
-        VecZnxNormalizeTmpBytes, VecZnxSub, VecZnxSubABInplace, VecZnxSwithcDegree,
+        DFT, IDFTConsume, ScratchAvailable, SvpApplyInplace, SvpPPolAllocBytes, SvpPrepare, TakeScalarZnx, TakeVecZnx,
+        TakeVecZnxDft, VecZnxAddInplace, VecZnxAddNormal, VecZnxAddScalarInplace, VecZnxAutomorphism, VecZnxBigNormalize,
+        VecZnxDftAllocBytes, VecZnxFillUniform, VecZnxNormalize, VecZnxNormalizeInplace, VecZnxNormalizeTmpBytes, VecZnxSub,
+        VecZnxSubABInplace, VecZnxSwithcDegree,
    },
    layouts::{Backend, DataMut, DataRef, Module, Scratch},
    source::Source,
@@ -44,9 +44,9 @@ impl<DataSelf: DataMut> GGLWEAutomorphismKeyCompressed<DataSelf> {
            + VecZnxSwithcDegree
            + VecZnxDftAllocBytes
            + VecZnxBigNormalize<B>
-            + VecZnxDftFromVecZnx<B>
+            + DFT<B>
            + SvpApplyInplace<B>
-            + VecZnxDftToVecZnxBigConsume<B>
+            + IDFTConsume<B>
            + VecZnxNormalizeTmpBytes
            + VecZnxFillUniform
            + VecZnxSubABInplace
--- a/poulpy-core/src/encryption/compressed/gglwe_ct.rs
+++ b/poulpy-core/src/encryption/compressed/gglwe_ct.rs
@@ -1,8 +1,8 @@
 use poulpy_hal::{
    api::{
-        ScratchAvailable, SvpApplyInplace, TakeVecZnx, TakeVecZnxDft, VecZnxAddInplace, VecZnxAddNormal, VecZnxAddScalarInplace,
-        VecZnxBigNormalize, VecZnxDftAllocBytes, VecZnxDftFromVecZnx, VecZnxDftToVecZnxBigConsume, VecZnxFillUniform,
-        VecZnxNormalize, VecZnxNormalizeInplace, VecZnxNormalizeTmpBytes, VecZnxSub, VecZnxSubABInplace,
+        DFT, IDFTConsume, ScratchAvailable, SvpApplyInplace, TakeVecZnx, TakeVecZnxDft, VecZnxAddInplace, VecZnxAddNormal,
+        VecZnxAddScalarInplace, VecZnxBigNormalize, VecZnxDftAllocBytes, VecZnxFillUniform, VecZnxNormalize,
+        VecZnxNormalizeInplace, VecZnxNormalizeTmpBytes, VecZnxSub, VecZnxSubABInplace,
    },
    layouts::{Backend, DataMut, DataRef, Module, ScalarZnx, Scratch, ZnxZero},
    source::Source,
@@ -37,9 +37,9 @@ impl<D: DataMut> GGLWECiphertextCompressed<D> {
        Module<B>: VecZnxAddScalarInplace
            + VecZnxDftAllocBytes
            + VecZnxBigNormalize<B>
-            + VecZnxDftFromVecZnx<B>
+            + DFT<B>
            + SvpApplyInplace<B>
-            + VecZnxDftToVecZnxBigConsume<B>
+            + IDFTConsume<B>
            + VecZnxNormalizeTmpBytes
            + VecZnxFillUniform
            + VecZnxSubABInplace
--- a/poulpy-core/src/encryption/compressed/gglwe_ksk.rs
+++ b/poulpy-core/src/encryption/compressed/gglwe_ksk.rs
@@ -1,9 +1,9 @@
 use poulpy_hal::{
    api::{
-        ScratchAvailable, SvpApplyInplace, SvpPPolAllocBytes, SvpPrepare, TakeScalarZnx, TakeVecZnx, TakeVecZnxDft,
-        VecZnxAddInplace, VecZnxAddNormal, VecZnxAddScalarInplace, VecZnxBigNormalize, VecZnxDftAllocBytes, VecZnxDftFromVecZnx,
-        VecZnxDftToVecZnxBigConsume, VecZnxFillUniform, VecZnxNormalize, VecZnxNormalizeInplace, VecZnxNormalizeTmpBytes,
-        VecZnxSub, VecZnxSubABInplace, VecZnxSwithcDegree,
+        DFT, IDFTConsume, ScratchAvailable, SvpApplyInplace, SvpPPolAllocBytes, SvpPrepare, TakeScalarZnx, TakeVecZnx,
+        TakeVecZnxDft, VecZnxAddInplace, VecZnxAddNormal, VecZnxAddScalarInplace, VecZnxBigNormalize, VecZnxDftAllocBytes,
+        VecZnxFillUniform, VecZnxNormalize, VecZnxNormalizeInplace, VecZnxNormalizeTmpBytes, VecZnxSub, VecZnxSubABInplace,
+        VecZnxSwithcDegree,
    },
    layouts::{Backend, DataMut, DataRef, Module, ScalarZnx, Scratch},
    source::Source,
@@ -47,9 +47,9 @@ impl<DataSelf: DataMut> GGLWESwitchingKeyCompressed<DataSelf> {
            + VecZnxSwithcDegree
            + VecZnxDftAllocBytes
            + VecZnxBigNormalize<B>
-            + VecZnxDftFromVecZnx<B>
+            + DFT<B>
            + SvpApplyInplace<B>
-            + VecZnxDftToVecZnxBigConsume<B>
+            + IDFTConsume<B>
            + VecZnxNormalizeTmpBytes
            + VecZnxFillUniform
            + VecZnxSubABInplace
--- a/poulpy-core/src/encryption/compressed/gglwe_tsk.rs
+++ b/poulpy-core/src/encryption/compressed/gglwe_tsk.rs
@@ -1,10 +1,9 @@
 use poulpy_hal::{
    api::{
-        ScratchAvailable, SvpApply, SvpApplyInplace, SvpPPolAlloc, SvpPPolAllocBytes, SvpPrepare, TakeScalarZnx, TakeVecZnx,
-        TakeVecZnxBig, TakeVecZnxDft, VecZnxAddInplace, VecZnxAddNormal, VecZnxAddScalarInplace, VecZnxBigAllocBytes,
-        VecZnxBigNormalize, VecZnxDftAllocBytes, VecZnxDftFromVecZnx, VecZnxDftToVecZnxBigConsume, VecZnxDftToVecZnxBigTmpA,
-        VecZnxFillUniform, VecZnxNormalize, VecZnxNormalizeInplace, VecZnxNormalizeTmpBytes, VecZnxSub, VecZnxSubABInplace,
-        VecZnxSwithcDegree,
+        DFT, IDFTConsume, IDFTTmpA, ScratchAvailable, SvpApply, SvpApplyInplace, SvpPPolAlloc, SvpPPolAllocBytes, SvpPrepare,
+        TakeScalarZnx, TakeVecZnx, TakeVecZnxBig, TakeVecZnxDft, VecZnxAddInplace, VecZnxAddNormal, VecZnxAddScalarInplace,
+        VecZnxBigAllocBytes, VecZnxBigNormalize, VecZnxDftAllocBytes, VecZnxFillUniform, VecZnxNormalize, VecZnxNormalizeInplace,
+        VecZnxNormalizeTmpBytes, VecZnxSub, VecZnxSubABInplace, VecZnxSwithcDegree,
    },
    layouts::{Backend, DataMut, DataRef, Module, Scratch},
    source::Source,
@@ -35,12 +34,12 @@ impl<DataSelf: DataMut> GGLWETensorKeyCompressed<DataSelf> {
        scratch: &mut Scratch<B>,
    ) where
        Module<B>: SvpApply<B>
-            + VecZnxDftToVecZnxBigTmpA<B>
+            + IDFTTmpA<B>
            + VecZnxDftAllocBytes
            + VecZnxBigNormalize<B>
-            + VecZnxDftFromVecZnx<B>
+            + DFT<B>
            + SvpApplyInplace<B>
-            + VecZnxDftToVecZnxBigConsume<B>
+            + IDFTConsume<B>
            + VecZnxNormalizeTmpBytes
            + VecZnxFillUniform
            + VecZnxSubABInplace
@@ -77,7 +76,7 @@ impl<DataSelf: DataMut> GGLWETensorKeyCompressed<DataSelf> {
        let (mut sk_dft, scratch2) = scratch1.take_vec_znx_dft(n, rank, 1);

        (0..rank).for_each(|i| {
-            module.vec_znx_dft_from_vec_znx(1, 0, &mut sk_dft, i, &sk.data.as_vec_znx(), i);
+            module.dft(1, 0, &mut sk_dft, i, &sk.data.as_vec_znx(), i);
        });

        let (mut sk_ij_big, scratch3) = scratch2.take_vec_znx_big(n, 1, 1);
@@ -90,7 +89,7 @@ impl<DataSelf: DataMut> GGLWETensorKeyCompressed<DataSelf> {
            (i..rank).for_each(|j| {
                module.svp_apply(&mut sk_ij_dft, 0, &sk_dft_prep.data, j, &sk_dft, i);

-                module.vec_znx_dft_to_vec_znx_big_tmp_a(&mut sk_ij_big, 0, &mut sk_ij_dft, 0);
+                module.idft_tmp_a(&mut sk_ij_big, 0, &mut sk_ij_dft, 0);
                module.vec_znx_big_normalize(
                    self.basek(),
                    &mut sk_ij.data.as_vec_znx_mut(),
--- a/poulpy-core/src/encryption/compressed/ggsw_ct.rs
+++ b/poulpy-core/src/encryption/compressed/ggsw_ct.rs
@@ -1,8 +1,8 @@
 use poulpy_hal::{
    api::{
-        ScratchAvailable, SvpApplyInplace, TakeVecZnx, TakeVecZnxDft, VecZnxAddInplace, VecZnxAddNormal, VecZnxAddScalarInplace,
-        VecZnxBigNormalize, VecZnxDftAllocBytes, VecZnxDftFromVecZnx, VecZnxDftToVecZnxBigConsume, VecZnxFillUniform,
-        VecZnxNormalize, VecZnxNormalizeInplace, VecZnxNormalizeTmpBytes, VecZnxSub, VecZnxSubABInplace,
+        DFT, IDFTConsume, ScratchAvailable, SvpApplyInplace, TakeVecZnx, TakeVecZnxDft, VecZnxAddInplace, VecZnxAddNormal,
+        VecZnxAddScalarInplace, VecZnxBigNormalize, VecZnxDftAllocBytes, VecZnxFillUniform, VecZnxNormalize,
+        VecZnxNormalizeInplace, VecZnxNormalizeTmpBytes, VecZnxSub, VecZnxSubABInplace,
    },
    layouts::{Backend, DataMut, DataRef, Module, ScalarZnx, Scratch, ZnxZero},
    source::Source,
@@ -37,9 +37,9 @@ impl<DataSelf: DataMut> GGSWCiphertextCompressed<DataSelf> {
        Module<B>: VecZnxAddScalarInplace
            + VecZnxDftAllocBytes
            + VecZnxBigNormalize<B>
-            + VecZnxDftFromVecZnx<B>
+            + DFT<B>
            + SvpApplyInplace<B>
-            + VecZnxDftToVecZnxBigConsume<B>
+            + IDFTConsume<B>
            + VecZnxNormalizeTmpBytes
            + VecZnxFillUniform
            + VecZnxSubABInplace
--- a/poulpy-core/src/encryption/compressed/glwe_ct.rs
+++ b/poulpy-core/src/encryption/compressed/glwe_ct.rs
@@ -1,8 +1,8 @@
 use poulpy_hal::{
    api::{
-        ScratchAvailable, SvpApplyInplace, TakeVecZnx, TakeVecZnxDft, VecZnxAddInplace, VecZnxAddNormal, VecZnxBigNormalize,
-        VecZnxDftAllocBytes, VecZnxDftFromVecZnx, VecZnxDftToVecZnxBigConsume, VecZnxFillUniform, VecZnxNormalize,
-        VecZnxNormalizeInplace, VecZnxNormalizeTmpBytes, VecZnxSub, VecZnxSubABInplace,
+        DFT, IDFTConsume, ScratchAvailable, SvpApplyInplace, TakeVecZnx, TakeVecZnxDft, VecZnxAddInplace, VecZnxAddNormal,
+        VecZnxBigNormalize, VecZnxDftAllocBytes, VecZnxFillUniform, VecZnxNormalize, VecZnxNormalizeInplace,
+        VecZnxNormalizeTmpBytes, VecZnxSub, VecZnxSubABInplace,
    },
    layouts::{Backend, DataMut, DataRef, Module, Scratch},
    source::Source,
@@ -35,9 +35,9 @@ impl<D: DataMut> GLWECiphertextCompressed<D> {
    ) where
        Module<B>: VecZnxDftAllocBytes
            + VecZnxBigNormalize<B>
-            + VecZnxDftFromVecZnx<B>
+            + DFT<B>
            + SvpApplyInplace<B>
-            + VecZnxDftToVecZnxBigConsume<B>
+            + IDFTConsume<B>
            + VecZnxNormalizeTmpBytes
            + VecZnxFillUniform
            + VecZnxSubABInplace
@@ -63,9 +63,9 @@ impl<D: DataMut> GLWECiphertextCompressed<D> {
    ) where
        Module<B>: VecZnxDftAllocBytes
            + VecZnxBigNormalize<B>
-            + VecZnxDftFromVecZnx<B>
+            + DFT<B>
            + SvpApplyInplace<B>
-            + VecZnxDftToVecZnxBigConsume<B>
+            + IDFTConsume<B>
            + VecZnxNormalizeTmpBytes
            + VecZnxFillUniform
            + VecZnxSubABInplace
--- a/poulpy-core/src/encryption/gglwe_atk.rs
+++ b/poulpy-core/src/encryption/gglwe_atk.rs
@@ -1,9 +1,9 @@
 use poulpy_hal::{
    api::{
-        ScratchAvailable, SvpApplyInplace, SvpPPolAllocBytes, SvpPrepare, TakeScalarZnx, TakeVecZnx, TakeVecZnxDft,
-        VecZnxAddInplace, VecZnxAddNormal, VecZnxAddScalarInplace, VecZnxAutomorphism, VecZnxBigNormalize, VecZnxDftAllocBytes,
-        VecZnxDftFromVecZnx, VecZnxDftToVecZnxBigConsume, VecZnxFillUniform, VecZnxNormalize, VecZnxNormalizeInplace,
-        VecZnxNormalizeTmpBytes, VecZnxSub, VecZnxSubABInplace, VecZnxSwithcDegree,
+        DFT, IDFTConsume, ScratchAvailable, SvpApplyInplace, SvpPPolAllocBytes, SvpPrepare, TakeScalarZnx, TakeVecZnx,
+        TakeVecZnxDft, VecZnxAddInplace, VecZnxAddNormal, VecZnxAddScalarInplace, VecZnxAutomorphism, VecZnxBigNormalize,
+        VecZnxDftAllocBytes, VecZnxFillUniform, VecZnxNormalize, VecZnxNormalizeInplace, VecZnxNormalizeTmpBytes, VecZnxSub,
+        VecZnxSubABInplace, VecZnxSwithcDegree,
    },
    layouts::{Backend, DataMut, DataRef, Module, Scratch},
    source::Source,
@@ -41,9 +41,9 @@ impl<DataSelf: DataMut> GGLWEAutomorphismKey<DataSelf> {
        Module<B>: VecZnxAddScalarInplace
            + VecZnxDftAllocBytes
            + VecZnxBigNormalize<B>
-            + VecZnxDftFromVecZnx<B>
+            + DFT<B>
            + SvpApplyInplace<B>
-            + VecZnxDftToVecZnxBigConsume<B>
+            + IDFTConsume<B>
            + VecZnxNormalizeTmpBytes
            + VecZnxFillUniform
            + VecZnxSubABInplace
--- a/poulpy-core/src/encryption/gglwe_ct.rs
+++ b/poulpy-core/src/encryption/gglwe_ct.rs
@@ -1,8 +1,8 @@
 use poulpy_hal::{
    api::{
-        ScratchAvailable, SvpApplyInplace, TakeVecZnx, TakeVecZnxDft, VecZnxAddInplace, VecZnxAddNormal, VecZnxAddScalarInplace,
-        VecZnxBigNormalize, VecZnxDftAllocBytes, VecZnxDftFromVecZnx, VecZnxDftToVecZnxBigConsume, VecZnxFillUniform,
-        VecZnxNormalize, VecZnxNormalizeInplace, VecZnxNormalizeTmpBytes, VecZnxSub, VecZnxSubABInplace,
+        DFT, IDFTConsume, ScratchAvailable, SvpApplyInplace, TakeVecZnx, TakeVecZnxDft, VecZnxAddInplace, VecZnxAddNormal,
+        VecZnxAddScalarInplace, VecZnxBigNormalize, VecZnxDftAllocBytes, VecZnxFillUniform, VecZnxNormalize,
+        VecZnxNormalizeInplace, VecZnxNormalizeTmpBytes, VecZnxSub, VecZnxSubABInplace,
    },
    layouts::{Backend, DataMut, DataRef, Module, ScalarZnx, Scratch, ZnxZero},
    source::Source,
@@ -41,9 +41,9 @@ impl<DataSelf: DataMut> GGLWECiphertext<DataSelf> {
        Module<B>: VecZnxAddScalarInplace
            + VecZnxDftAllocBytes
            + VecZnxBigNormalize<B>
-            + VecZnxDftFromVecZnx<B>
+            + DFT<B>
            + SvpApplyInplace<B>
-            + VecZnxDftToVecZnxBigConsume<B>
+            + IDFTConsume<B>
            + VecZnxNormalizeTmpBytes
            + VecZnxFillUniform
            + VecZnxSubABInplace
--- a/poulpy-core/src/encryption/gglwe_ksk.rs
+++ b/poulpy-core/src/encryption/gglwe_ksk.rs
@@ -1,9 +1,9 @@
 use poulpy_hal::{
    api::{
-        ScratchAvailable, SvpApplyInplace, SvpPPolAllocBytes, SvpPrepare, TakeScalarZnx, TakeVecZnx, TakeVecZnxDft,
-        VecZnxAddInplace, VecZnxAddNormal, VecZnxAddScalarInplace, VecZnxBigNormalize, VecZnxDftAllocBytes, VecZnxDftFromVecZnx,
-        VecZnxDftToVecZnxBigConsume, VecZnxFillUniform, VecZnxNormalize, VecZnxNormalizeInplace, VecZnxNormalizeTmpBytes,
-        VecZnxSub, VecZnxSubABInplace, VecZnxSwithcDegree,
+        DFT, IDFTConsume, ScratchAvailable, SvpApplyInplace, SvpPPolAllocBytes, SvpPrepare, TakeScalarZnx, TakeVecZnx,
+        TakeVecZnxDft, VecZnxAddInplace, VecZnxAddNormal, VecZnxAddScalarInplace, VecZnxBigNormalize, VecZnxDftAllocBytes,
+        VecZnxFillUniform, VecZnxNormalize, VecZnxNormalizeInplace, VecZnxNormalizeTmpBytes, VecZnxSub, VecZnxSubABInplace,
+        VecZnxSwithcDegree,
    },
    layouts::{Backend, DataMut, DataRef, Module, ScalarZnx, Scratch},
    source::Source,
@@ -55,9 +55,9 @@ impl<DataSelf: DataMut> GGLWESwitchingKey<DataSelf> {
        Module<B>: VecZnxAddScalarInplace
            + VecZnxDftAllocBytes
            + VecZnxBigNormalize<B>
-            + VecZnxDftFromVecZnx<B>
+            + DFT<B>
            + SvpApplyInplace<B>
-            + VecZnxDftToVecZnxBigConsume<B>
+            + IDFTConsume<B>
            + VecZnxNormalizeTmpBytes
            + VecZnxFillUniform
            + VecZnxSubABInplace
--- a/poulpy-core/src/encryption/gglwe_tsk.rs
+++ b/poulpy-core/src/encryption/gglwe_tsk.rs
@@ -1,9 +1,9 @@
 use poulpy_hal::{
    api::{
-        ScratchAvailable, SvpApply, SvpApplyInplace, SvpPPolAllocBytes, SvpPrepare, TakeScalarZnx, TakeVecZnx, TakeVecZnxBig,
-        TakeVecZnxDft, VecZnxAddInplace, VecZnxAddNormal, VecZnxAddScalarInplace, VecZnxBigAllocBytes, VecZnxBigNormalize,
-        VecZnxDftAllocBytes, VecZnxDftFromVecZnx, VecZnxDftToVecZnxBigConsume, VecZnxDftToVecZnxBigTmpA, VecZnxFillUniform,
-        VecZnxNormalize, VecZnxNormalizeInplace, VecZnxNormalizeTmpBytes, VecZnxSub, VecZnxSubABInplace, VecZnxSwithcDegree,
+        DFT, IDFTConsume, IDFTTmpA, ScratchAvailable, SvpApply, SvpApplyInplace, SvpPPolAllocBytes, SvpPrepare, TakeScalarZnx,
+        TakeVecZnx, TakeVecZnxBig, TakeVecZnxDft, VecZnxAddInplace, VecZnxAddNormal, VecZnxAddScalarInplace, VecZnxBigAllocBytes,
+        VecZnxBigNormalize, VecZnxDftAllocBytes, VecZnxFillUniform, VecZnxNormalize, VecZnxNormalizeInplace,
+        VecZnxNormalizeTmpBytes, VecZnxSub, VecZnxSubABInplace, VecZnxSwithcDegree,
    },
    layouts::{Backend, DataMut, DataRef, Module, Scratch},
    source::Source,
@@ -42,13 +42,13 @@ impl<DataSelf: DataMut> GGLWETensorKey<DataSelf> {
        scratch: &mut Scratch<B>,
    ) where
        Module<B>: SvpApply<B>
-            + VecZnxDftToVecZnxBigTmpA<B>
+            + IDFTTmpA<B>
            + VecZnxAddScalarInplace
            + VecZnxDftAllocBytes
            + VecZnxBigNormalize<B>
-            + VecZnxDftFromVecZnx<B>
+            + DFT<B>
            + SvpApplyInplace<B>
-            + VecZnxDftToVecZnxBigConsume<B>
+            + IDFTConsume<B>
            + VecZnxNormalizeTmpBytes
            + VecZnxFillUniform
            + VecZnxSubABInplace
@@ -79,7 +79,7 @@ impl<DataSelf: DataMut> GGLWETensorKey<DataSelf> {
        let (mut sk_dft, scratch2) = scratch1.take_vec_znx_dft(n, rank, 1);

        (0..rank).for_each(|i| {
-            module.vec_znx_dft_from_vec_znx(1, 0, &mut sk_dft, i, &sk.data.as_vec_znx(), i);
+            module.dft(1, 0, &mut sk_dft, i, &sk.data.as_vec_znx(), i);
        });

        let (mut sk_ij_big, scratch3) = scratch2.take_vec_znx_big(n, 1, 1);
@@ -90,7 +90,7 @@ impl<DataSelf: DataMut> GGLWETensorKey<DataSelf> {
            (i..rank).for_each(|j| {
                module.svp_apply(&mut sk_ij_dft, 0, &sk_dft_prep.data, j, &sk_dft, i);

-                module.vec_znx_dft_to_vec_znx_big_tmp_a(&mut sk_ij_big, 0, &mut sk_ij_dft, 0);
+                module.idft_tmp_a(&mut sk_ij_big, 0, &mut sk_ij_dft, 0);
                module.vec_znx_big_normalize(
                    self.basek(),
                    &mut sk_ij.data.as_vec_znx_mut(),
--- a/poulpy-core/src/encryption/ggsw_ct.rs
+++ b/poulpy-core/src/encryption/ggsw_ct.rs
@@ -1,8 +1,8 @@
 use poulpy_hal::{
    api::{
-        ScratchAvailable, SvpApplyInplace, TakeVecZnx, TakeVecZnxDft, VecZnxAddInplace, VecZnxAddNormal, VecZnxAddScalarInplace,
-        VecZnxBigNormalize, VecZnxDftAllocBytes, VecZnxDftFromVecZnx, VecZnxDftToVecZnxBigConsume, VecZnxFillUniform,
-        VecZnxNormalize, VecZnxNormalizeInplace, VecZnxNormalizeTmpBytes, VecZnxSub, VecZnxSubABInplace,
+        DFT, IDFTConsume, ScratchAvailable, SvpApplyInplace, TakeVecZnx, TakeVecZnxDft, VecZnxAddInplace, VecZnxAddNormal,
+        VecZnxAddScalarInplace, VecZnxBigNormalize, VecZnxDftAllocBytes, VecZnxFillUniform, VecZnxNormalize,
+        VecZnxNormalizeInplace, VecZnxNormalizeTmpBytes, VecZnxSub, VecZnxSubABInplace,
    },
    layouts::{Backend, DataMut, DataRef, Module, ScalarZnx, Scratch, VecZnx, ZnxZero},
    source::Source,
@@ -40,9 +40,9 @@ impl<DataSelf: DataMut> GGSWCiphertext<DataSelf> {
        Module<B>: VecZnxAddScalarInplace
            + VecZnxDftAllocBytes
            + VecZnxBigNormalize<B>
-            + VecZnxDftFromVecZnx<B>
+            + DFT<B>
            + SvpApplyInplace<B>
-            + VecZnxDftToVecZnxBigConsume<B>
+            + IDFTConsume<B>
            + VecZnxNormalizeTmpBytes
            + VecZnxFillUniform
            + VecZnxSubABInplace
--- a/poulpy-core/src/encryption/glwe_ct.rs
+++ b/poulpy-core/src/encryption/glwe_ct.rs
@@ -1,9 +1,9 @@
 use poulpy_hal::{
    api::{
-        ScratchAvailable, SvpApply, SvpApplyInplace, SvpPPolAllocBytes, SvpPrepare, TakeScalarZnx, TakeSvpPPol, TakeVecZnx,
-        TakeVecZnxDft, VecZnxAddInplace, VecZnxAddNormal, VecZnxBigAddNormal, VecZnxBigAddSmallInplace, VecZnxBigAllocBytes,
-        VecZnxBigNormalize, VecZnxDftAllocBytes, VecZnxDftFromVecZnx, VecZnxDftToVecZnxBigConsume, VecZnxFillUniform,
-        VecZnxNormalize, VecZnxNormalizeInplace, VecZnxNormalizeTmpBytes, VecZnxSub, VecZnxSubABInplace,
+        DFT, IDFTConsume, ScratchAvailable, SvpApply, SvpApplyInplace, SvpPPolAllocBytes, SvpPrepare, TakeScalarZnx, TakeSvpPPol,
+        TakeVecZnx, TakeVecZnxDft, VecZnxAddInplace, VecZnxAddNormal, VecZnxBigAddNormal, VecZnxBigAddSmallInplace,
+        VecZnxBigAllocBytes, VecZnxBigNormalize, VecZnxDftAllocBytes, VecZnxFillUniform, VecZnxNormalize, VecZnxNormalizeInplace,
+        VecZnxNormalizeTmpBytes, VecZnxSub, VecZnxSubABInplace,
    },
    layouts::{Backend, DataMut, DataRef, Module, ScalarZnx, Scratch, VecZnx, VecZnxBig, ZnxInfos, ZnxZero},
    source::Source,
@@ -53,9 +53,9 @@ impl<DataSelf: DataMut> GLWECiphertext<DataSelf> {
    ) where
        Module<B>: VecZnxDftAllocBytes
            + VecZnxBigNormalize<B>
-            + VecZnxDftFromVecZnx<B>
+            + DFT<B>
            + SvpApplyInplace<B>
-            + VecZnxDftToVecZnxBigConsume<B>
+            + IDFTConsume<B>
            + VecZnxNormalizeTmpBytes
            + VecZnxFillUniform
            + VecZnxSubABInplace
@@ -92,9 +92,9 @@ impl<DataSelf: DataMut> GLWECiphertext<DataSelf> {
    ) where
        Module<B>: VecZnxDftAllocBytes
            + VecZnxBigNormalize<B>
-            + VecZnxDftFromVecZnx<B>
+            + DFT<B>
            + SvpApplyInplace<B>
-            + VecZnxDftToVecZnxBigConsume<B>
+            + IDFTConsume<B>
            + VecZnxNormalizeTmpBytes
            + VecZnxFillUniform
            + VecZnxSubABInplace
@@ -138,9 +138,9 @@ impl<DataSelf: DataMut> GLWECiphertext<DataSelf> {
    ) where
        Module<B>: VecZnxDftAllocBytes
            + VecZnxBigNormalize<B>
-            + VecZnxDftFromVecZnx<B>
+            + DFT<B>
            + SvpApplyInplace<B>
-            + VecZnxDftToVecZnxBigConsume<B>
+            + IDFTConsume<B>
            + VecZnxNormalizeTmpBytes
            + VecZnxFillUniform
            + VecZnxSubABInplace
@@ -180,7 +180,7 @@ impl<DataSelf: DataMut> GLWECiphertext<DataSelf> {
    ) where
        Module<B>: SvpPrepare<B>
            + SvpApply<B>
-            + VecZnxDftToVecZnxBigConsume<B>
+            + IDFTConsume<B>
            + VecZnxBigAddNormal<B>
            + VecZnxBigAddSmallInplace<B>
            + VecZnxBigNormalize<B>,
@@ -199,7 +199,7 @@ impl<DataSelf: DataMut> GLWECiphertext<DataSelf> {
    ) where
        Module<B>: SvpPrepare<B>
            + SvpApply<B>
-            + VecZnxDftToVecZnxBigConsume<B>
+            + IDFTConsume<B>
            + VecZnxBigAddNormal<B>
            + VecZnxBigAddSmallInplace<B>
            + VecZnxBigNormalize<B>,
@@ -227,7 +227,7 @@ impl<DataSelf: DataMut> GLWECiphertext<DataSelf> {
    ) where
        Module<B>: SvpPrepare<B>
            + SvpApply<B>
-            + VecZnxDftToVecZnxBigConsume<B>
+            + IDFTConsume<B>
            + VecZnxBigAddNormal<B>
            + VecZnxBigAddSmallInplace<B>
            + VecZnxBigNormalize<B>,
@@ -276,7 +276,7 @@ impl<DataSelf: DataMut> GLWECiphertext<DataSelf> {
            module.svp_apply(&mut ci_dft, 0, &u_dft, 0, &pk.data, i);

            // ci_big = u * p[i]
-            let mut ci_big = module.vec_znx_dft_to_vec_znx_big_consume(ci_dft);
+            let mut ci_big = module.vec_znx_idft_consume(ci_dft);

            // ci_big = u * pk[i] + e
            module.vec_znx_big_add_normal(basek, &mut ci_big, 0, pk.k(), source_xe, SIGMA, SIGMA_BOUND);
@@ -311,9 +311,9 @@ pub(crate) fn glwe_encrypt_sk_internal<DataCt: DataMut, DataPt: DataRef, DataSk:
 ) where
    Module<B>: VecZnxDftAllocBytes
        + VecZnxBigNormalize<B>
-        + VecZnxDftFromVecZnx<B>
+        + DFT<B>
        + SvpApplyInplace<B>
-        + VecZnxDftToVecZnxBigConsume<B>
+        + IDFTConsume<B>
        + VecZnxNormalizeTmpBytes
        + VecZnxFillUniform
        + VecZnxSubABInplace
@@ -361,16 +361,16 @@ pub(crate) fn glwe_encrypt_sk_internal<DataCt: DataMut, DataPt: DataRef, DataSk:
                if i == col {
                    module.vec_znx_sub(&mut ci, 0, ct, col_ct, &pt.data, 0);
                    module.vec_znx_normalize_inplace(basek, &mut ci, 0, scratch_3);
-                    module.vec_znx_dft_from_vec_znx(1, 0, &mut ci_dft, 0, &ci, 0);
+                    module.dft(1, 0, &mut ci_dft, 0, &ci, 0);
                } else {
-                    module.vec_znx_dft_from_vec_znx(1, 0, &mut ci_dft, 0, ct, col_ct);
+                    module.dft(1, 0, &mut ci_dft, 0, ct, col_ct);
                }
            } else {
-                module.vec_znx_dft_from_vec_znx(1, 0, &mut ci_dft, 0, ct, col_ct);
+                module.dft(1, 0, &mut ci_dft, 0, ct, col_ct);
            }

            module.svp_apply_inplace(&mut ci_dft, 0, &sk.data, i - 1);
-            let ci_big: VecZnxBig<&mut [u8], B> = module.vec_znx_dft_to_vec_znx_big_consume(ci_dft);
+            let ci_big: VecZnxBig<&mut [u8], B> = module.vec_znx_idft_consume(ci_dft);

            // use c[0] as buffer, which is overwritten later by the normalization step
            module.vec_znx_big_normalize(basek, &mut ci, 0, &ci_big, 0, scratch_3);
--- a/poulpy-core/src/encryption/glwe_pk.rs
+++ b/poulpy-core/src/encryption/glwe_pk.rs
@@ -1,8 +1,8 @@
 use poulpy_hal::{
    api::{
-        ScratchOwnedAlloc, ScratchOwnedBorrow, SvpApplyInplace, VecZnxAddInplace, VecZnxAddNormal, VecZnxBigNormalize,
-        VecZnxDftAllocBytes, VecZnxDftFromVecZnx, VecZnxDftToVecZnxBigConsume, VecZnxFillUniform, VecZnxNormalize,
-        VecZnxNormalizeInplace, VecZnxNormalizeTmpBytes, VecZnxSub, VecZnxSubABInplace,
+        DFT, IDFTConsume, ScratchOwnedAlloc, ScratchOwnedBorrow, SvpApplyInplace, VecZnxAddInplace, VecZnxAddNormal,
+        VecZnxBigNormalize, VecZnxDftAllocBytes, VecZnxFillUniform, VecZnxNormalize, VecZnxNormalizeInplace,
+        VecZnxNormalizeTmpBytes, VecZnxSub, VecZnxSubABInplace,
    },
    layouts::{Backend, DataMut, DataRef, Module, ScratchOwned},
    oep::{ScratchAvailableImpl, ScratchOwnedAllocImpl, ScratchOwnedBorrowImpl, TakeVecZnxDftImpl, TakeVecZnxImpl},
@@ -22,9 +22,9 @@ impl<D: DataMut> GLWEPublicKey<D> {
        Module<B>:,
        Module<B>: VecZnxDftAllocBytes
            + VecZnxBigNormalize<B>
-            + VecZnxDftFromVecZnx<B>
+            + DFT<B>
            + SvpApplyInplace<B>
-            + VecZnxDftToVecZnxBigConsume<B>
+            + IDFTConsume<B>
            + VecZnxNormalizeTmpBytes
            + VecZnxFillUniform
            + VecZnxSubABInplace
--- a/poulpy-core/src/encryption/glwe_to_lwe_ksk.rs
+++ b/poulpy-core/src/encryption/glwe_to_lwe_ksk.rs
@@ -1,9 +1,9 @@
 use poulpy_hal::{
    api::{
-        ScratchAvailable, SvpApplyInplace, SvpPPolAllocBytes, SvpPrepare, TakeScalarZnx, TakeVecZnx, TakeVecZnxDft,
-        VecZnxAddInplace, VecZnxAddNormal, VecZnxAddScalarInplace, VecZnxAutomorphismInplace, VecZnxBigNormalize,
-        VecZnxDftAllocBytes, VecZnxDftFromVecZnx, VecZnxDftToVecZnxBigConsume, VecZnxFillUniform, VecZnxNormalize,
-        VecZnxNormalizeInplace, VecZnxNormalizeTmpBytes, VecZnxSub, VecZnxSubABInplace, VecZnxSwithcDegree,
+        DFT, IDFTConsume, ScratchAvailable, SvpApplyInplace, SvpPPolAllocBytes, SvpPrepare, TakeScalarZnx, TakeVecZnx,
+        TakeVecZnxDft, VecZnxAddInplace, VecZnxAddNormal, VecZnxAddScalarInplace, VecZnxAutomorphismInplace, VecZnxBigNormalize,
+        VecZnxDftAllocBytes, VecZnxFillUniform, VecZnxNormalize, VecZnxNormalizeInplace, VecZnxNormalizeTmpBytes, VecZnxSub,
+        VecZnxSubABInplace, VecZnxSwithcDegree,
    },
    layouts::{Backend, DataMut, DataRef, Module, Scratch, ZnxView, ZnxViewMut, ZnxZero},
    source::Source,
@@ -42,9 +42,9 @@ impl<D: DataMut> GLWEToLWESwitchingKey<D> {
            + VecZnxAddScalarInplace
            + VecZnxDftAllocBytes
            + VecZnxBigNormalize<B>
-            + VecZnxDftFromVecZnx<B>
+            + DFT<B>
            + SvpApplyInplace<B>
-            + VecZnxDftToVecZnxBigConsume<B>
+            + IDFTConsume<B>
            + VecZnxNormalizeTmpBytes
            + VecZnxFillUniform
            + VecZnxSubABInplace
--- a/poulpy-core/src/encryption/lwe_ksk.rs
+++ b/poulpy-core/src/encryption/lwe_ksk.rs
@@ -1,9 +1,9 @@
 use poulpy_hal::{
    api::{
-        ScratchAvailable, SvpApplyInplace, SvpPPolAllocBytes, SvpPrepare, TakeScalarZnx, TakeVecZnx, TakeVecZnxDft,
-        VecZnxAddInplace, VecZnxAddNormal, VecZnxAddScalarInplace, VecZnxAutomorphismInplace, VecZnxBigNormalize,
-        VecZnxDftAllocBytes, VecZnxDftFromVecZnx, VecZnxDftToVecZnxBigConsume, VecZnxFillUniform, VecZnxNormalize,
-        VecZnxNormalizeInplace, VecZnxNormalizeTmpBytes, VecZnxSub, VecZnxSubABInplace, VecZnxSwithcDegree,
+        DFT, IDFTConsume, ScratchAvailable, SvpApplyInplace, SvpPPolAllocBytes, SvpPrepare, TakeScalarZnx, TakeVecZnx,
+        TakeVecZnxDft, VecZnxAddInplace, VecZnxAddNormal, VecZnxAddScalarInplace, VecZnxAutomorphismInplace, VecZnxBigNormalize,
+        VecZnxDftAllocBytes, VecZnxFillUniform, VecZnxNormalize, VecZnxNormalizeInplace, VecZnxNormalizeTmpBytes, VecZnxSub,
+        VecZnxSubABInplace, VecZnxSwithcDegree,
    },
    layouts::{Backend, DataMut, DataRef, Module, Scratch, ZnxView, ZnxViewMut},
    source::Source,
@@ -42,9 +42,9 @@ impl<D: DataMut> LWESwitchingKey<D> {
            + VecZnxAddScalarInplace
            + VecZnxDftAllocBytes
            + VecZnxBigNormalize<B>
-            + VecZnxDftFromVecZnx<B>
+            + DFT<B>
            + SvpApplyInplace<B>
-            + VecZnxDftToVecZnxBigConsume<B>
+            + IDFTConsume<B>
            + VecZnxNormalizeTmpBytes
            + VecZnxFillUniform
            + VecZnxSubABInplace
--- a/poulpy-core/src/encryption/lwe_to_glwe_ksk.rs
+++ b/poulpy-core/src/encryption/lwe_to_glwe_ksk.rs
@@ -1,9 +1,9 @@
 use poulpy_hal::{
    api::{
-        ScratchAvailable, SvpApplyInplace, SvpPPolAllocBytes, SvpPrepare, TakeScalarZnx, TakeVecZnx, TakeVecZnxDft,
-        VecZnxAddInplace, VecZnxAddNormal, VecZnxAddScalarInplace, VecZnxAutomorphismInplace, VecZnxBigNormalize,
-        VecZnxDftAllocBytes, VecZnxDftFromVecZnx, VecZnxDftToVecZnxBigConsume, VecZnxFillUniform, VecZnxNormalize,
-        VecZnxNormalizeInplace, VecZnxNormalizeTmpBytes, VecZnxSub, VecZnxSubABInplace, VecZnxSwithcDegree,
+        DFT, IDFTConsume, ScratchAvailable, SvpApplyInplace, SvpPPolAllocBytes, SvpPrepare, TakeScalarZnx, TakeVecZnx,
+        TakeVecZnxDft, VecZnxAddInplace, VecZnxAddNormal, VecZnxAddScalarInplace, VecZnxAutomorphismInplace, VecZnxBigNormalize,
+        VecZnxDftAllocBytes, VecZnxFillUniform, VecZnxNormalize, VecZnxNormalizeInplace, VecZnxNormalizeTmpBytes, VecZnxSub,
+        VecZnxSubABInplace, VecZnxSwithcDegree,
    },
    layouts::{Backend, DataMut, DataRef, Module, Scratch, ZnxView, ZnxViewMut},
    source::Source,
@@ -40,9 +40,9 @@ impl<D: DataMut> LWEToGLWESwitchingKey<D> {
            + VecZnxAddScalarInplace
            + VecZnxDftAllocBytes
            + VecZnxBigNormalize<B>
-            + VecZnxDftFromVecZnx<B>
+            + DFT<B>
            + SvpApplyInplace<B>
-            + VecZnxDftToVecZnxBigConsume<B>
+            + IDFTConsume<B>
            + VecZnxNormalizeTmpBytes
            + VecZnxFillUniform
            + VecZnxSubABInplace