From f9123e768188a970e5da328d9432f5cc7b321866 Mon Sep 17 00:00:00 2001
From: Jean-Philippe Bossuat <jeanphilippe.bossuat@gmail.com>
Date: Thu, 9 Jan 2025 10:10:21 +0100
Subject: [PATCH] switched from Arc to Rc

---
 math/src/ring.rs                   | 4 ++--
 math/src/ring/impl_u64/ring_rns.rs | 6 +++---
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/math/src/ring.rs b/math/src/ring.rs
index 6d6edab..bb3b9fc 100644
--- a/math/src/ring.rs
+++ b/math/src/ring.rs
@@ -5,7 +5,7 @@ use crate::modulus::prime::Prime;
 use crate::poly::{Poly, PolyRNS};
 use crate::modulus::WordOps;
 use num::traits::Unsigned;
-use std::sync::Arc;
+use std::rc::Rc;
 
 pub struct Ring<O: Unsigned> {
     pub n: usize,
@@ -28,7 +28,7 @@ impl<O: Unsigned> Ring<O> {
     }
 }
 
-pub struct RingRNS<O: Unsigned>(pub Vec<Arc<Ring<O>>>);
+pub struct RingRNS<O: Unsigned>(pub Vec<Rc<Ring<O>>>);
 
 impl<O: Unsigned> RingRNS<O> {
 
diff --git a/math/src/ring/impl_u64/ring_rns.rs b/math/src/ring/impl_u64/ring_rns.rs
index c424dd5..7c316eb 100644
--- a/math/src/ring/impl_u64/ring_rns.rs
+++ b/math/src/ring/impl_u64/ring_rns.rs
@@ -5,14 +5,14 @@ use crate::poly::PolyRNS;
 use crate::ring::{Ring, RingRNS};
 use crate::scalar::ScalarRNS;
 use num_bigint::BigInt;
-use std::sync::Arc;
+use std::rc::Rc;
 
 impl RingRNS<u64> {
     pub fn new(n: usize, moduli: Vec<u64>) -> Self {
         assert!(!moduli.is_empty(), "moduli cannot be empty");
-        let rings: Vec<Arc<Ring<u64>>> = moduli
+        let rings: Vec<Rc<Ring<u64>>> = moduli
             .into_iter()
-            .map(|prime| Arc::new(Ring::new(n, prime, 1)))
+            .map(|prime| Rc::new(Ring::new(n, prime, 1)))
             .collect();
         return RingRNS(rings);
     }