fix: remove function which was ignoring compiler warning to not do th…

…at (#21)

src/fields/U1024.nr

@@ -4,7 +4,7 @@ use crate::runtime_bignum::BigNumParamsTrait as RuntimeBigNumParamsTrait;
 use crate::utils::u60_representation::U60Repr;
 use crate::utils::arrayX::ArrayX;
 
-struct U1024Params {}
+struct  U1024Params {}
 impl RuntimeBigNumParamsTrait<9> for U1024Params {
     fn modulus_bits() -> u32 {
         1025

src/fields/U2048.nr

@@ -4,7 +4,7 @@ use crate::runtime_bignum::BigNumParamsTrait as RuntimeBigNumParamsTrait;
 use crate::utils::u60_representation::U60Repr;
 use crate::utils::arrayX::ArrayX;
 
-struct U2048Params {}
+struct  U2048Params {}
 impl RuntimeBigNumParamsTrait<18> for U2048Params {
     fn modulus_bits() -> u32 {
         2049

src/fields/U256.nr

@@ -4,7 +4,7 @@ use crate::runtime_bignum::BigNumParamsTrait as RuntimeBigNumParamsTrait;
 use crate::utils::u60_representation::U60Repr;
 use crate::utils::arrayX::ArrayX;
 
-struct U256Params {}
+struct  U256Params {}
 impl RuntimeBigNumParamsTrait<3> for U256Params {
     fn modulus_bits() -> u32 {
         257

src/fields/U384.nr

@@ -4,7 +4,7 @@ use crate::runtime_bignum::BigNumParamsTrait as RuntimeBigNumParamsTrait;
 use crate::utils::u60_representation::U60Repr;
 use crate::utils::arrayX::ArrayX;
 
-struct U384_Params {}
+struct  U384_Params {}
 impl RuntimeBigNumParamsTrait<4> for U384_Params {
     fn modulus_bits() -> u32 {
         385

src/fields/U4096.nr

@@ -4,7 +4,7 @@ use crate::runtime_bignum::BigNumParamsTrait as RuntimeBigNumParamsTrait;
 use crate::utils::u60_representation::U60Repr;
 use crate::utils::arrayX::ArrayX;
 
-struct U4096Params {}
+struct  U4096Params {}
 impl RuntimeBigNumParamsTrait<35> for U4096Params {
     fn modulus_bits() -> u32 {
         4097

src/fields/U512.nr

@@ -7,7 +7,7 @@ use crate::utils::arrayX::ArrayX;
 // a / b = c
 
 // b * c + (rem < modulus) = a
-struct U512Params {}
+struct  U512Params {}
 impl RuntimeBigNumParamsTrait<5> for U512Params {
     fn modulus_bits() -> u32 {
         513

src/fields/U768.nr

@@ -4,7 +4,7 @@ use crate::runtime_bignum::BigNumParamsTrait as RuntimeBigNumParamsTrait;
 use crate::utils::u60_representation::U60Repr;
 use crate::utils::arrayX::ArrayX;
 
-struct U768Params {}
+struct  U768Params {}
 impl RuntimeBigNumParamsTrait<13> for U768Params {
     fn modulus_bits() -> u32 {
         1537

src/fields/U8192.nr

@@ -4,7 +4,7 @@ use crate::runtime_bignum::BigNumParamsTrait as RuntimeBigNumParamsTrait;
 use crate::utils::u60_representation::U60Repr;
 use crate::utils::arrayX::ArrayX;
 
-struct U8192Params {}
+struct  U8192Params {}
 impl RuntimeBigNumParamsTrait<69> for U8192Params {
     fn modulus_bits() -> u32 {
         8193

src/fields/bls12_377Fq.nr

@@ -23,7 +23,7 @@ use crate::runtime_bignum::BigNumParamsTrait as RuntimeBigNumParamsTrait;
 use crate::utils::u60_representation::U60Repr;
 use crate::utils::arrayX::ArrayX;
 
-struct BLS12_377_Fq_Params {}
+struct  BLS12_377_Fq_Params {}
 impl RuntimeBigNumParamsTrait<4> for BLS12_377_Fq_Params {
     fn modulus_bits() -> u32 {
         377

src/fields/bls12_377Fr.nr

@@ -23,7 +23,7 @@ use crate::runtime_bignum::BigNumParamsTrait as RuntimeBigNumParamsTrait;
 use crate::utils::u60_representation::U60Repr;
 use crate::utils::arrayX::ArrayX;
 
-struct BLS12_377_Fr_Params {}
+struct  BLS12_377_Fr_Params {}
 impl RuntimeBigNumParamsTrait<3> for BLS12_377_Fr_Params {
     fn modulus_bits() -> u32 {
         253

src/fields/bls12_381Fq.nr

@@ -21,7 +21,7 @@ use crate::runtime_bignum::BigNumParamsTrait as RuntimeBigNumParamsTrait;
 use crate::utils::u60_representation::U60Repr;
 use crate::utils::arrayX::ArrayX;
 
-struct BLS12_381_Fq_Params {}
+struct  BLS12_381_Fq_Params {}
 impl RuntimeBigNumParamsTrait<4> for BLS12_381_Fq_Params {
     fn modulus_bits() -> u32 {
         381

src/fields/bls12_381Fr.nr

@@ -21,7 +21,7 @@ use crate::runtime_bignum::BigNumParamsTrait as RuntimeBigNumParamsTrait;
 use crate::utils::u60_representation::U60Repr;
 use crate::utils::arrayX::ArrayX;
 
-struct BLS12_381_Fr_Params {}
+struct  BLS12_381_Fr_Params {}
 impl RuntimeBigNumParamsTrait<3> for BLS12_381_Fr_Params {
     fn modulus_bits() -> u32 {
         255

src/fields/bn254Fq.nr

@@ -4,7 +4,7 @@ use crate::runtime_bignum::BigNumParamsTrait as RuntimeBigNumParamsTrait;
 use crate::utils::u60_representation::U60Repr;
 use crate::utils::arrayX::ArrayX;
 
-struct BNParams {}
+struct  BNParams {}
 impl RuntimeBigNumParamsTrait<3> for BNParams {
     fn modulus_bits() -> u32 {
         254

src/fields/ed25519Fq.nr

@@ -4,7 +4,7 @@ use crate::BigNumParamsTrait as BigNumParamsTrait;
 use crate::utils::u60_representation::U60Repr;
 use crate::utils::arrayX::ArrayX;
 
-struct ED25519_Fq_Params {}
+struct  ED25519_Fq_Params {}
 impl RuntimeBigNumParamsTrait<3> for ED25519_Fq_Params {
     fn modulus_bits() -> u32 {
         255

src/fields/ed25519Fr.nr

@@ -4,7 +4,7 @@ use crate::runtime_bignum::BigNumParamsTrait as RuntimeBigNumParamsTrait;
 use crate::utils::u60_representation::U60Repr;
 use crate::utils::arrayX::ArrayX;
 
-struct ED25519_Fr_Params {}
+struct  ED25519_Fr_Params {}
 impl RuntimeBigNumParamsTrait<3> for ED25519_Fr_Params {
     fn modulus_bits() -> u32 {
         253

src/fields/mnt4_753Fq.nr

@@ -17,7 +17,7 @@
 //! * G2 curve equation: y^2 = x^3 + Ax + B, where
 //!    * A = Fq2 = (a * NON_RESIDUE, 0)
 //!    * B = Fq2(0, b * NON_RESIDUE)
-//!    * NON_RESIDUE = 13 is the quadratic non-residue used to construct the
+//!    * NON_RESIDUE = 13 is the quadratic non-residue used to construct  the
 //!      extension field Fq2
 
 use crate::BigNumParamsTrait;
@@ -26,7 +26,7 @@ use crate::runtime_bignum::BigNumParamsTrait as RuntimeBigNumParamsTrait;
 use crate::utils::u60_representation::U60Repr;
 use crate::utils::arrayX::ArrayX;
 
-struct MNT4_753_Fq_Params {}
+struct  MNT4_753_Fq_Params {}
 impl RuntimeBigNumParamsTrait<7> for MNT4_753_Fq_Params {
     fn modulus_bits() -> u32 {
         753

src/fields/mnt4_753Fr.nr

@@ -17,7 +17,7 @@
 //! * G2 curve equation: y^2 = x^3 + Ax + B, where
 //!    * A = Fq2 = (a * NON_RESIDUE, 0)
 //!    * B = Fq2(0, b * NON_RESIDUE)
-//!    * NON_RESIDUE = 13 is the quadratic non-residue used to construct the
+//!    * NON_RESIDUE = 13 is the quadratic non-residue used to construct  the
 //!      extension field Fq2
 
 use crate::BigNumParamsTrait;
@@ -26,7 +26,7 @@ use crate::runtime_bignum::BigNumParamsTrait as RuntimeBigNumParamsTrait;
 use crate::utils::u60_representation::U60Repr;
 use crate::utils::arrayX::ArrayX;
 
-struct MNT4_753_Fr_Params {}
+struct  MNT4_753_Fr_Params {}
 impl RuntimeBigNumParamsTrait<7> for MNT4_753_Fr_Params {
     fn modulus_bits() -> u32 {
         753

src/fields/mnt6_753Fq.nr

@@ -17,7 +17,7 @@
 //! * G2 curve equation: y^2 = x^3 + Ax + B, where
 //!    * A = Fq3(0, 0, a)
 //!    * B = Fq3(b * NON_RESIDUE, 0, 0)
-//!    * NON_RESIDUE = 11 is the cubic non-residue used to construct the
+//!    * NON_RESIDUE = 11 is the cubic non-residue used to construct  the
 //!      extension field Fq3
 
 use crate::BigNumParamsTrait;
@@ -26,7 +26,7 @@ use crate::runtime_bignum::BigNumParamsTrait as RuntimeBigNumParamsTrait;
 use crate::utils::u60_representation::U60Repr;
 use crate::utils::arrayX::ArrayX;
 
-struct MNT6_753_Fq_Params {}
+struct  MNT6_753_Fq_Params {}
 impl RuntimeBigNumParamsTrait<7> for MNT6_753_Fq_Params {
     fn modulus_bits() -> u32 {
         753

src/fields/mnt6_753Fr.nr

@@ -17,7 +17,7 @@
 //! * G2 curve equation: y^2 = x^3 + Ax + B, where
 //!    * A = Fq3(0, 0, a)
 //!    * B = Fq3(b * NON_RESIDUE, 0, 0)
-//!    * NON_RESIDUE = 11 is the cubic non-residue used to construct the
+//!    * NON_RESIDUE = 11 is the cubic non-residue used to construct  the
 //!      extension field Fq3
 
 use crate::BigNumParamsTrait;
@@ -26,7 +26,7 @@ use crate::runtime_bignum::BigNumParamsTrait as RuntimeBigNumParamsTrait;
 use crate::utils::u60_representation::U60Repr;
 use crate::utils::arrayX::ArrayX;
 
-struct MNT6_753_Fr_Params {}
+struct  MNT6_753_Fr_Params {}
 impl RuntimeBigNumParamsTrait<7> for MNT6_753_Fr_Params {
     fn modulus_bits() -> u32 {
         753

src/fields/pallasFq.nr

@@ -20,7 +20,7 @@ use crate::runtime_bignum::BigNumParamsTrait as RuntimeBigNumParamsTrait;
 use crate::utils::u60_representation::U60Repr;
 use crate::utils::arrayX::ArrayX;
 
-struct Pallas_Fq_Params {}
+struct  Pallas_Fq_Params {}
 impl RuntimeBigNumParamsTrait<3> for Pallas_Fq_Params {
     fn modulus_bits() -> u32 {
         255

src/fields/pallasFr.nr

@@ -20,7 +20,7 @@ use crate::runtime_bignum::BigNumParamsTrait as RuntimeBigNumParamsTrait;
 use crate::utils::u60_representation::U60Repr;
 use crate::utils::arrayX::ArrayX;
 
-struct Pallas_Fr_Params {}
+struct  Pallas_Fr_Params {}
 impl RuntimeBigNumParamsTrait<3> for Pallas_Fr_Params {
     fn modulus_bits() -> u32 {
         255

src/fields/secp256k1Fq.nr

@@ -4,7 +4,7 @@ use crate::runtime_bignum::BigNumParamsTrait as RuntimeBigNumParamsTrait;
 use crate::utils::u60_representation::U60Repr;
 use crate::utils::arrayX::ArrayX;
 
-struct Secp256k1_Fq_Params {}
+struct  Secp256k1_Fq_Params {}
 impl RuntimeBigNumParamsTrait<3> for Secp256k1_Fq_Params {
     fn modulus_bits() -> u32 {
         256

src/fields/secp256k1Fr.nr

@@ -4,7 +4,7 @@ use crate::runtime_bignum::BigNumParamsTrait as RuntimeBigNumParamsTrait;
 use crate::utils::u60_representation::U60Repr;
 use crate::utils::arrayX::ArrayX;
 
-struct Secp256k1_Fr_Params {}
+struct  Secp256k1_Fr_Params {}
 impl RuntimeBigNumParamsTrait<3> for Secp256k1_Fr_Params {
     fn modulus_bits() -> u32 {
         256

src/fields/secp256r1Fq.nr

@@ -4,7 +4,7 @@ use crate::runtime_bignum::BigNumParamsTrait as RuntimeBigNumParamsTrait;
 use crate::utils::u60_representation::U60Repr;
 use crate::utils::arrayX::ArrayX;
 
-struct Secp256r1_Fq_Params {}
+struct  Secp256r1_Fq_Params {}
 impl RuntimeBigNumParamsTrait<3> for Secp256r1_Fq_Params {
     fn modulus_bits() -> u32 {
         256

src/fields/secp256r1Fr.nr

@@ -4,7 +4,7 @@ use crate::runtime_bignum::BigNumParamsTrait as RuntimeBigNumParamsTrait;
 use crate::utils::u60_representation::U60Repr;
 use crate::utils::arrayX::ArrayX;
 
-struct Secp256r1_Fr_Params {}
+struct  Secp256r1_Fr_Params {}
 impl RuntimeBigNumParamsTrait<3> for Secp256r1_Fr_Params {
     fn modulus_bits() -> u32 {
         256

src/fields/secp384r1Fq.nr

@@ -4,7 +4,7 @@ use crate::runtime_bignum::BigNumParamsTrait as RuntimeBigNumParamsTrait;
 use crate::utils::u60_representation::U60Repr;
 use crate::utils::arrayX::ArrayX;
 
-struct Secp384r1_Fq_Params {}
+struct  Secp384r1_Fq_Params {}
 impl RuntimeBigNumParamsTrait<4> for Secp384r1_Fq_Params {
     fn modulus_bits() -> u32 {
         384

src/fields/secp384r1Fr.nr

@@ -4,7 +4,7 @@ use crate::runtime_bignum::BigNumParamsTrait as RuntimeBigNumParamsTrait;
 use crate::utils::u60_representation::U60Repr;
 use crate::utils::arrayX::ArrayX;
 
-struct Secp384r1_Fr_Params {}
+struct  Secp384r1_Fr_Params {}
 impl RuntimeBigNumParamsTrait<4> for Secp384r1_Fr_Params {
     fn modulus_bits() -> u32 {
         384

src/fields/vestaFq.nr

@@ -20,7 +20,7 @@ use crate::runtime_bignum::BigNumParamsTrait as RuntimeBigNumParamsTrait;
 use crate::utils::u60_representation::U60Repr;
 use crate::utils::arrayX::ArrayX;
 
-struct Vesta_Fq_Params {}
+struct  Vesta_Fq_Params {}
 impl RuntimeBigNumParamsTrait<3> for Vesta_Fq_Params {
     fn modulus_bits() -> u32 {
         255

src/fields/vestaFr.nr

@@ -21,7 +21,7 @@ use crate::runtime_bignum::BigNumParamsTrait as RuntimeBigNumParamsTrait;
 use crate::utils::u60_representation::U60Repr;
 use crate::utils::arrayX::ArrayX;
 
-struct Vesta_Fr_Params {}
+struct  Vesta_Fr_Params {}
 impl RuntimeBigNumParamsTrait<3> for Vesta_Fr_Params {
     fn modulus_bits() -> u32 {
         255

src/lib.nr

@@ -10,7 +10,8 @@ pub use crate::runtime_bignum::BigNumInstance as RuntimeBigNumInstance;
 pub use crate::runtime_bignum::BigNumInstanceTrait as RuntimeBigNumInstanceTrait;
 pub use crate::runtime_bignum::BigNumParamsTrait as RuntimeBigNumParamsTrait;
 pub use crate::runtime_bignum::BigNumTrait as RuntimeBigNumTrait;
-struct BigNum<let N: u32, Params> {
+
+struct  BigNum<let N: u32, Params> {
     limbs: [Field; N]
 }
 
@@ -51,7 +52,6 @@ trait BigNumTrait where BigNumTrait: std::ops::Add + std::ops::Sub + std::ops::M
     fn __udiv_mod(self, divisor: Self) -> (Self, Self);
     fn __invmod(self) -> Self;
     fn __batch_invert<let M: u32>(to_invert: [Self; M]) -> [Self; M];
-    fn __batch_invert_slice(x: [Self]) -> [Self];
     fn __is_zero(self) -> bool { RuntimeBigNumTrait::__is_zero(self) }
     fn __eq(self, other: Self) -> bool { RuntimeBigNumTrait::__eq(self, other) }
     fn __compute_quadratic_expression<let LHS_N: u32, let RHS_N: u32, let NUM_PRODUCTS: u32, let ADD_N: u32>(lhs: [[Self; LHS_N]; NUM_PRODUCTS], lhs_flags: [[bool; LHS_N]; NUM_PRODUCTS], rhs: [[Self; RHS_N]; NUM_PRODUCTS], rhs_flags: [[bool; RHS_N]; NUM_PRODUCTS], add: [Self; ADD_N], add_flags: [bool; ADD_N]) -> (Self, Self);
@@ -77,7 +77,6 @@ trait BigNumTrait where BigNumTrait: std::ops::Add + std::ops::Sub + std::ops::M
 
 impl<let N: u32, Params> BigNumTrait for BigNum<N, Params> where Params: BigNumParamsTrait<N> + RuntimeBigNumParamsTrait<N> {
 
-
     // Weird compiler issue where if we do not pass `Self` as a parameter to these methods,
     // then a generic struct that conforms to BigNumTrait cannot access these methods?
     // the Params: BigNumParamsTrait<N> needs to be satisfied, but the BigNumTrait has no knowledge of BigNumParamsTrait?
@@ -86,7 +85,9 @@ impl<let N: u32, Params> BigNumTrait for BigNum<N, Params> where Params: BigNumP
         let r: u32 = Params::modulus_bits();
         r
     }
-    fn num_limbs(_: Self) -> u32 { N }
+    fn num_limbs(_: Self) -> u32 {
+        N
+    }
 
     fn modulus() -> Self {
         Params::get_instance().modulus()
@@ -142,11 +143,6 @@ impl<let N: u32, Params> BigNumTrait for BigNum<N, Params> where Params: BigNumP
         Params::get_instance().__batch_invert(x)
     }
 
-    // n.b. needs to be declared unconstrained because we return a slice from an unconstrained runtime
-    unconstrained fn __batch_invert_slice(x: [Self]) -> [Self] {
-        assert(Params::has_multiplicative_inverse());
-        Params::get_instance().__batch_invert_slice(x)
-    }
     fn __invmod(self) -> Self {
         assert(Params::has_multiplicative_inverse());
         Params::get_instance().__invmod(self)
@@ -272,26 +268,25 @@ impl<let N: u32, Params> BigNumTrait for BigNum<N, Params> where Params: BigNumP
     }
 }
 
-impl<let N: u32, Params> BigNum<N, Params> where Params: BigNumParamsTrait<N> + RuntimeBigNumParamsTrait<N>  {
-}
+impl<let N: u32, Params> BigNum<N, Params> where Params: BigNumParamsTrait<N> + RuntimeBigNumParamsTrait<N> {}
 
-impl<let N: u32, Params> std::ops::Add for BigNum<N, Params> where Params: BigNumParamsTrait<N> + RuntimeBigNumParamsTrait<N>  {
+impl<let N: u32, Params> std::ops::Add for BigNum<N, Params> where Params: BigNumParamsTrait<N> + RuntimeBigNumParamsTrait<N> {
     // Note: this method is expensive! Try to craft quadratic relations and directly evaluate them
     //       via evaluate_quadratic_expression
     fn add(self, other: Self) -> Self {
         Params::get_instance().add(self, other)
     }
 }
 
-impl<let N: u32, Params> std::ops::Sub for BigNum<N, Params> where Params: BigNumParamsTrait<N> + RuntimeBigNumParamsTrait<N>  {
+impl<let N: u32, Params> std::ops::Sub for BigNum<N, Params> where Params: BigNumParamsTrait<N> + RuntimeBigNumParamsTrait<N> {
     // Note: this method is expensive! Try to craft quadratic relations and directly evaluate them
     //       via evaluate_quadratic_expression
     fn sub(self, other: Self) -> Self {
         Params::get_instance().sub(self, other)
     }
 }
 
-impl<let N: u32, Params> std::ops::Mul for BigNum<N, Params> where Params: BigNumParamsTrait<N> + RuntimeBigNumParamsTrait<N>  {
+impl<let N: u32, Params> std::ops::Mul for BigNum<N, Params> where Params: BigNumParamsTrait<N> + RuntimeBigNumParamsTrait<N> {
     // Note: this method is expensive! Try to craft quadratic relations and directly evaluate them
     //       via evaluate_quadratic_expression
     // e.g. performing a sum of multiple multiplications and additions via `evaluate_quadratic_expression`
@@ -301,14 +296,14 @@ impl<let N: u32, Params> std::ops::Mul for BigNum<N, Params> where Params: BigNu
     }
 }
 
-impl<let N: u32, Params> std::ops::Div for BigNum<N, Params> where Params: BigNumParamsTrait<N> + RuntimeBigNumParamsTrait<N>  {
+impl<let N: u32, Params> std::ops::Div for BigNum<N, Params> where Params: BigNumParamsTrait<N> + RuntimeBigNumParamsTrait<N> {
     // Note: this method is expensive! Witness computation is extremely expensive as it requires modular exponentiation
     fn div(self, other: Self) -> Self {
         Params::get_instance().div(self, other)
     }
 }
 
-impl<let N: u32, Params> std::cmp::Eq for BigNum<N, Params> where Params: BigNumParamsTrait<N> + RuntimeBigNumParamsTrait<N>  {
+impl<let N: u32, Params> std::cmp::Eq for BigNum<N, Params> where Params: BigNumParamsTrait<N> + RuntimeBigNumParamsTrait<N> {
 
     fn eq(self, other: Self) -> bool {
         let bn: RuntimeBigNumInstance<N, Params> = Params::get_instance();