[prime]: nth_root does not mutate prime anymore

examples/main.rs

@@ -1,11 +1,12 @@
 extern crate math;
+use math::ring::Ring;
 use math::modulus::prime::Prime;
 use math::dft::ntt::Table;
 
 fn main() {
     // Example usage of `Prime<u64>`
     let q_base: u64 = 0x1fffffffffe00001;      // Example prime base
-    let q_power: u64 = 1;     // Example power
+    let q_power: usize = 1;     // Example power
     let mut prime_instance: Prime<u64> = Prime::<u64>::new(q_base, q_power);
     
     // Display the fields of `Prime` to verify
@@ -17,7 +18,7 @@ fn main() {
     let n: u64 = 1024;
     let nth_root: u64 = n<<1;
 
-    let ntt_table: Table<'_, u64> = Table::<u64>::new(&mut prime_instance, nth_root);
+    let ntt_table: Table<u64> = Table::<u64>::new(prime_instance, nth_root);
 
     let mut a: Vec<u64> = vec![0; (nth_root >> 1) as usize];
 
@@ -35,4 +36,6 @@ fn main() {
 
     println!("{:?}", a);
 
+    let r : Ring<u64> = Ring::<u64>::new(n as usize, q_base, q_power);
+
 }