Struct ark_ff::fields::models::Fp64

pub struct Fp64<P>(pub BigInteger64, _);

Implementations

impl<P> Fp64<P>

pub const fn new(element: BigInteger64) -> Self

Trait Implementations

impl<'a, P: Fp64Parameters> Add<&'a Fp64<P>> for Fp64<P>

type Output = Self

The resulting type after applying the + operator.

fn add(self, other: &Self) -> Self

Performs the + operation.

impl<'a, P: Fp64Parameters> Add<&'a mut Fp64<P>> for Fp64<P>

type Output = Self

The resulting type after applying the + operator.

fn add(self, other: &'a mut Self) -> Self

Performs the + operation.

impl<P: Fp64Parameters> Add<Fp64<P>> for Fp64<P>

type Output = Self

The resulting type after applying the + operator.

fn add(self, other: Self) -> Self

Performs the + operation.

impl<'a, P: Fp64Parameters> AddAssign<&'a Fp64<P>> for Fp64<P>

fn add_assign(&mut self, other: &Self)

Performs the += operation.

impl<'a, P: Fp64Parameters> AddAssign<&'a mut Fp64<P>> for Fp64<P>

fn add_assign(&mut self, other: &'a mut Self)

Performs the += operation.

impl<P: Fp64Parameters> AddAssign<Fp64<P>> for Fp64<P>

fn add_assign(&mut self, other: Self)

Performs the += operation.

impl<P: Fp64Parameters> CanonicalDeserialize for Fp64<P>

fn deserialize<R: Read>(reader: R) -> Result<Self, SerializationError>

Reads Self from reader.

pub fn deserialize_uncompressed<R>(
    reader: R
) -> Result<Self, SerializationError> where
    R: Read, 

Reads Self from reader without compression.

pub fn deserialize_unchecked<R>(reader: R) -> Result<Self, SerializationError> where
    R: Read, 

Reads self from reader without compression, and without performing validity checks. Should be used only when the input is trusted.

impl<P: Fp64Parameters> CanonicalDeserializeWithFlags for Fp64<P>

fn deserialize_with_flags<R: Read, F: Flags>(
    reader: R
) -> Result<(Self, F), SerializationError>

Reads Self and Flags from reader. Returns empty flags by default.

impl<P: Fp64Parameters> CanonicalSerialize for Fp64<P>

fn serialize<W: Write>(&self, writer: W) -> Result<(), SerializationError>

Serializes self into writer. It is left up to a particular type for how it strikes the serialization efficiency vs compression tradeoff. For standard types (e.g. bool, lengths, etc.) typically an uncompressed form is used, whereas for algebraic types compressed forms are used.

fn serialized_size(&self) -> usize

pub fn serialize_uncompressed<W>(
    &self,
    writer: W
) -> Result<(), SerializationError> where
    W: Write, 

Serializes self into writer without compression.

pub fn serialize_unchecked<W>(
    &self,
    writer: W
) -> Result<(), SerializationError> where
    W: Write, 

Serializes self into writer without compression, and without performing validity checks. Should be used only when there is no danger of adversarial manipulation of the output.

pub fn uncompressed_size(&self) -> usize

impl<P: Fp64Parameters> CanonicalSerializeWithFlags for Fp64<P>

fn serialize_with_flags<W: Write, F: Flags>(
    &self,
    writer: W,
    flags: F
) -> Result<(), SerializationError>

Serializes self and flags into writer.

fn serialized_size_with_flags<F: Flags>(&self) -> usize

Serializes self and flags into writer.

impl<P> Clone for Fp64<P>

fn clone(&self) -> Self

Returns a copy of the value.

pub fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<P> Copy for Fp64<P>

impl<P> Debug for Fp64<P>

fn fmt(&self, __f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<P> Default for Fp64<P>

fn default() -> Self

Returns the “default value” for a type.

impl<P: Fp64Parameters> Display for Fp64<P>

fn fmt(&self, f: &mut Formatter<'_>) -> FmtResult

Formats the value using the given formatter.

impl<'a, P: Fp64Parameters> Div<&'a Fp64<P>> for Fp64<P>

type Output = Self

The resulting type after applying the / operator.

fn div(self, other: &Self) -> Self

Performs the / operation.

impl<'a, P: Fp64Parameters> Div<&'a mut Fp64<P>> for Fp64<P>

type Output = Self

The resulting type after applying the / operator.

fn div(self, other: &'a mut Self) -> Self

Performs the / operation.

impl<P: Fp64Parameters> Div<Fp64<P>> for Fp64<P>

type Output = Self

The resulting type after applying the / operator.

fn div(self, other: Self) -> Self

Performs the / operation.

impl<'a, P: Fp64Parameters> DivAssign<&'a Fp64<P>> for Fp64<P>

fn div_assign(&mut self, other: &Self)

Performs the /= operation.

impl<'a, P: Fp64Parameters> DivAssign<&'a mut Fp64<P>> for Fp64<P>

fn div_assign(&mut self, other: &'a mut Self)

Performs the /= operation.

impl<P: Fp64Parameters> DivAssign<Fp64<P>> for Fp64<P>

fn div_assign(&mut self, other: Self)

Performs the /= operation.

impl<P> Eq for Fp64<P>

impl<P: Fp64Parameters> FftField for Fp64<P>

type FftParams = P

fn two_adic_root_of_unity() -> Self

Returns the 2^s root of unity.

fn large_subgroup_root_of_unity() -> Option<Self>

Returns the 2^s * small_subgroup_base^small_subgroup_base_adicity root of unity if a small subgroup is defined.

fn multiplicative_generator() -> Self

Returns the multiplicative generator of char() - 1 order.

fn get_root_of_unity(n: usize) -> Option<Self>

Returns the root of unity of order n, if one exists. If no small multiplicative subgroup is defined, this is the 2-adic root of unity of order n (for n a power of 2). If a small multiplicative subgroup is defined, this is the root of unity of order n for the larger subgroup generated by FftParams::LARGE_SUBGROUP_ROOT_OF_UNITY (for n = 2^i * FftParams::SMALL_SUBGROUP_BASE^j for some i, j).

impl<P: Fp64Parameters> Field for Fp64<P>

type BasePrimeField = Self

fn extension_degree() -> u64

Returns the extension degree of this field with respect to Self::BasePrimeField.

fn from_base_prime_field_elems(elems: &[Self::BasePrimeField]) -> Option<Self>

Convert a slice of base prime field elements into a field element. If the slice length != Self::extension_degree(), must return None.

fn double(&self) -> Self

Returns self + self.

fn double_in_place(&mut self) -> &mut Self

Doubles self in place.

fn characteristic<'a>() -> &'a [u64]

Returns the characteristic of the field, in little-endian representation.

fn from_random_bytes_with_flags<F: Flags>(bytes: &[u8]) -> Option<(Self, F)>

Returns a field element with an extra sign bit used for group parsing if the set of bytes forms a valid field element, otherwise returns None. This function is primarily intended for sampling random field elements from a hash-function or RNG output.

fn square(&self) -> Self

Returns self * self.

fn square_in_place(&mut self) -> &mut Self

Squares self in place.

fn inverse(&self) -> Option<Self>

Computes the multiplicative inverse of self if self is nonzero.

fn inverse_in_place(&mut self) -> Option<&mut Self>

fn frobenius_map(&mut self, _: usize)

Exponentiates this element by a power of the base prime modulus via the Frobenius automorphism.

fn from_random_bytes(bytes: &[u8]) -> Option<Self>

Returns a field element if the set of bytes forms a valid field element, otherwise returns None. This function is primarily intended for sampling random field elements from a hash-function or RNG output.

#[must_use]fn pow<S: AsRef<[u64]>>(&self, exp: S) -> Self

Exponentiates this element by a number represented with u64 limbs, least significant limb first.

fn pow_with_table<S: AsRef<[u64]>>(powers_of_2: &[Self], exp: S) -> Option<Self>

Exponentiates a field element f by a number represented with u64 limbs, using a precomputed table containing as many powers of 2 of f as the 1 + the floor of log2 of the exponent exp, starting from the 1st power. That is, powers_of_2 should equal &[p, p^2, p^4, ..., p^(2^n)] when exp has at most n bits.

impl<P: Fp64Parameters> From<BigInteger64> for Fp64<P>

fn from(int: BigInteger64) -> Self

Converts Self::BigInteger into Self

Panics

This method panics if int is larger than P::MODULUS.

impl<P: Fp64Parameters> From<bool> for Fp64<P>

fn from(other: bool) -> Self

Performs the conversion.

impl<P: Fp64Parameters> From<u128> for Fp64<P>

fn from(other: u128) -> Self

Performs the conversion.

impl<P: Fp64Parameters> From<u16> for Fp64<P>

fn from(other: u16) -> Self

Performs the conversion.

impl<P: Fp64Parameters> From<u32> for Fp64<P>

fn from(other: u32) -> Self

Performs the conversion.

impl<P: Fp64Parameters> From<u64> for Fp64<P>

fn from(other: u64) -> Self

Performs the conversion.

impl<P: Fp64Parameters> From<u8> for Fp64<P>

fn from(other: u8) -> Self

Performs the conversion.

impl<P: Fp64Parameters> FromBytes for Fp64<P>

fn read<R: Read>(reader: R) -> IoResult<Self>

Reads Self from reader.

impl<P: Fp64Parameters> FromStr for Fp64<P>

type Err = ()

The associated error which can be returned from parsing.

fn from_str(s: &str) -> Result<Self, Self::Err>

Interpret a string of numbers as a (congruent) prime field element. Does not accept unnecessary leading zeroes or a blank string.

impl<P> Hash for Fp64<P>

fn hash<__HP>(&self, __state: &mut __HP) where
    __HP: Hasher, 

Feeds this value into the given Hasher.

pub fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher, 

Feeds a slice of this type into the given Hasher.

impl<P: Fp64Parameters> Into<BigInteger64> for Fp64<P>

fn into(self) -> BigInteger64

Performs the conversion.

impl<'a, P: Fp64Parameters> Mul<&'a Fp64<P>> for Fp64<P>

type Output = Self

The resulting type after applying the * operator.

fn mul(self, other: &Self) -> Self

Performs the * operation.

impl<'a, P: Fp64Parameters> Mul<&'a mut Fp64<P>> for Fp64<P>

type Output = Self

The resulting type after applying the * operator.

fn mul(self, other: &'a mut Self) -> Self

Performs the * operation.

impl<P: Fp64Parameters> Mul<Fp64<P>> for Fp64<P>

type Output = Self

The resulting type after applying the * operator.

fn mul(self, other: Self) -> Self

Performs the * operation.

impl<'a, P: Fp64Parameters> MulAssign<&'a Fp64<P>> for Fp64<P>

fn mul_assign(&mut self, other: &Self)

Performs the *= operation.

impl<'a, P: Fp64Parameters> MulAssign<&'a mut Fp64<P>> for Fp64<P>

fn mul_assign(&mut self, other: &'a mut Self)

Performs the *= operation.

impl<P: Fp64Parameters> MulAssign<Fp64<P>> for Fp64<P>

fn mul_assign(&mut self, other: Self)

Performs the *= operation.

impl<P: Fp64Parameters> Neg for Fp64<P>

type Output = Self

The resulting type after applying the - operator.

#[must_use]fn neg(self) -> Self

Performs the unary - operation.

impl<P: Fp64Parameters> One for Fp64<P>

fn one() -> Self

Returns the multiplicative identity element of Self, 1.

fn is_one(&self) -> bool

Returns true if self is equal to the multiplicative identity.

pub fn set_one(&mut self)

Sets self to the multiplicative identity element of Self, 1.

impl<P: Fp64Parameters> Ord for Fp64<P>

fn cmp(&self, other: &Self) -> Ordering

This method returns an Ordering between self and other.

#[must_use]pub fn max(self, other: Self) -> Self

Compares and returns the maximum of two values.

#[must_use]pub fn min(self, other: Self) -> Self

Compares and returns the minimum of two values.

#[must_use]pub fn clamp(self, min: Self, max: Self) -> Self

Restrict a value to a certain interval.

impl<P> PartialEq<Fp64<P>> for Fp64<P>

fn eq(&self, other: &Self) -> bool

This method tests for self and other values to be equal, and is used by ==.

#[must_use]pub fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl<P: Fp64Parameters> PartialOrd<Fp64<P>> for Fp64<P>

fn partial_cmp(&self, other: &Self) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

#[must_use]pub fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator.

#[must_use]pub fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

#[must_use]pub fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator.

#[must_use]pub fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl<P: Fp64Parameters> PrimeField for Fp64<P>

type Params = P

type BigInt = BigInteger64

fn from_repr(r: BigInteger64) -> Option<Self>

Returns a prime field element from its underlying representation.

fn into_repr(&self) -> BigInteger64

Returns the underlying representation of the prime field element.

fn from_be_bytes_mod_order(bytes: &[u8]) -> Self

Reads bytes in big-endian, and converts them to a field element. If the bytes are larger than the modulus, it will reduce them.

fn from_le_bytes_mod_order(bytes: &[u8]) -> Self

Reads bytes in little-endian, and converts them to a field element. If the bytes are larger than the modulus, it will reduce them.

fn qnr_to_t() -> Self

Return the QNR^t, for t defined by 2^s * t = MODULUS - 1, and t coprime to 2.

fn size_in_bits() -> usize

Returns the field size in bits.

fn trace() -> Self::BigInt

Returns the trace.

fn trace_minus_one_div_two() -> Self::BigInt

Returns the trace minus one divided by two.

fn modulus_minus_one_div_two() -> Self::BigInt

Returns the modulus minus one divided by two.

impl<'a, P: Fp64Parameters> Product<&'a Fp64<P>> for Fp64<P>

fn product<I: Iterator<Item = &'a Self>>(iter: I) -> Self

Method which takes an iterator and generates Self from the elements by multiplying the items.

impl<P: Fp64Parameters> Product<Fp64<P>> for Fp64<P>

fn product<I: Iterator<Item = Self>>(iter: I) -> Self

Method which takes an iterator and generates Self from the elements by multiplying the items.

impl<P: Fp64Parameters> SquareRootField for Fp64<P>

fn legendre(&self) -> LegendreSymbol

Returns a LegendreSymbol, which indicates whether this field element is 1 : a quadratic residue 0 : equal to 0 -1 : a quadratic non-residue

fn sqrt(&self) -> Option<Self>

Returns the square root of self, if it exists.

fn sqrt_in_place(&mut self) -> Option<&mut Self>

Sets self to be the square root of self, if it exists.

impl<'a, P: Fp64Parameters> Sub<&'a Fp64<P>> for Fp64<P>

type Output = Self

The resulting type after applying the - operator.

fn sub(self, other: &Self) -> Self

Performs the - operation.

impl<'a, P: Fp64Parameters> Sub<&'a mut Fp64<P>> for Fp64<P>

type Output = Self

The resulting type after applying the - operator.

fn sub(self, other: &'a mut Self) -> Self

Performs the - operation.

impl<P: Fp64Parameters> Sub<Fp64<P>> for Fp64<P>

type Output = Self

The resulting type after applying the - operator.

fn sub(self, other: Self) -> Self

Performs the - operation.

impl<'a, P: Fp64Parameters> SubAssign<&'a Fp64<P>> for Fp64<P>

fn sub_assign(&mut self, other: &Self)

Performs the -= operation.

impl<'a, P: Fp64Parameters> SubAssign<&'a mut Fp64<P>> for Fp64<P>

fn sub_assign(&mut self, other: &'a mut Self)

Performs the -= operation.

impl<P: Fp64Parameters> SubAssign<Fp64<P>> for Fp64<P>

fn sub_assign(&mut self, other: Self)

Performs the -= operation.

impl<'a, P: Fp64Parameters> Sum<&'a Fp64<P>> for Fp64<P>

fn sum<I: Iterator<Item = &'a Self>>(iter: I) -> Self

Method which takes an iterator and generates Self from the elements by “summing up” the items.

impl<P: Fp64Parameters> Sum<Fp64<P>> for Fp64<P>

fn sum<I: Iterator<Item = Self>>(iter: I) -> Self

Method which takes an iterator and generates Self from the elements by “summing up” the items.

impl<P: Fp64Parameters> ToBytes for Fp64<P>

fn write<W: Write>(&self, writer: W) -> IoResult<()>

Serializes self into writer.

impl<P: Fp64Parameters> Zero for Fp64<P>

fn zero() -> Self

Returns the additive identity element of Self, 0.

fn is_zero(&self) -> bool

Returns true if self is equal to the additive identity.

pub fn set_zero(&mut self)

Sets self to the additive identity element of Self, 0.

impl<P: Fp64Parameters> Zeroize for Fp64<P>

fn zeroize(&mut self)

Zero out this object from memory using Rust intrinsics which ensure the zeroization operation is not “optimized away” by the compiler.