Struct ark_r1cs_std::fields::cubic_extension::CubicExtVar[][src]

pub struct CubicExtVar<BF: FieldVar<P::BaseField, P::BasePrimeField>, P: CubicExtVarParams<BF>> where
    for<'a> &'a BF: FieldOpsBounds<'a, P::BaseField, BF>, 
{ pub c0: BF, pub c1: BF, pub c2: BF, // some fields omitted }
Expand description

This struct is the R1CS equivalent of the cubic extension field type in ark-ff, i.e. ark_ff::CubicExtField.

Fields

c0: BF

The zero-th coefficient of this field element.

c1: BF

The first coefficient of this field element.

c2: BF

The second coefficient of this field element.

Implementations

Constructs a CubicExtVar from the underlying coefficients.

Multiplies a variable of the base field by the cubic nonresidue P::NONRESIDUE that is used to construct the extension field.

Multiplies self by a constant from the base field.

Sets self = self.mul_by_base_field_constant(fe).

Multiplies self by a sparse element which has c0 == c2 == zero.

Multiplies self by a sparse element which has c2 == zero.

Trait Implementations

The resulting type after applying the + operator.

Performs the + operation. Read more

The resulting type after applying the + operator.

Performs the + operation. Read more

The resulting type after applying the + operator.

Performs the + operation. Read more

The resulting type after applying the + operator.

Performs the + operation. Read more

The resulting type after applying the + operator.

Performs the + operation. Read more

The resulting type after applying the + operator.

Performs the + operation. Read more

Performs the += operation. Read more

Performs the += operation. Read more

Performs the += operation. Read more

Allocates a new variable of type Self in the ConstraintSystem cs. The mode of allocation is decided by mode. Read more

Allocates a new constant of type Self in the ConstraintSystem cs. Read more

Allocates a new public input of type Self in the ConstraintSystem cs. Read more

Allocates a new private witness of type Self in the ConstraintSystem cs. Read more

Returns a copy of the value. Read more

Performs copy-assignment from source. Read more

If cond == &Boolean::TRUE, then this returns true_value; else, returns false_value. Read more

Returns an element of values whose index in represented by position. position is an array of boolean that represents an unsigned integer in big endian order. Read more

Formats the value using the given formatter. Read more

Output a Boolean value representing whether self.value() == other.value(). Read more

If should_enforce == true, enforce that self and other are equal; else, enforce a vacuously true statement. Read more

If should_enforce == true, enforce that self and other are not equal; else, enforce a vacuously true statement. Read more

Output a Boolean value representing whether self.value() != other.value(). Read more

Enforce that self and other are equal. Read more

Enforce that self and other are not equal. Read more

Use the Chung-Hasan asymmetric squaring formula.

(Devegili OhEig Scott Dahab — Multiplication and Squaring on Abstract Pairing-Friendly Fields.pdf; Section 4 (CH-SQR2))

Returns a constant with value v. Read more

Returns the constant F::zero().

Returns the constant F::one().

Computes self + self.

Coputes -self.

Enforces that self * other == result.

Computes the frobenius map over self.

Computes result such that self * result == Self::one().

Returns a Boolean representing whether self == Self::zero().

Returns a Boolean representing whether self == Self::one().

Sets self = self + self.

Sets self = -self.

Sets self = self.square().

Enforces that self * self == result.

Returns (self / d). The constraint system will be unsatisfiable when d = 0. Read more

Sets self = self.frobenius_map().

Comptues self^bits, where bits is a little-endian bit-wise decomposition of the exponent. Read more

Computes self^S, where S is interpreted as an little-endian u64-decomposition of an integer. Read more

Performs the conversion.

The resulting type after applying the * operator.

Performs the * operation. Read more

The resulting type after applying the * operator.

Performs the * operation. Read more

The resulting type after applying the * operator.

Performs the * operation. Read more

The resulting type after applying the * operator.

Performs the * operation. Read more

The resulting type after applying the * operator.

Performs the * operation. Read more

The resulting type after applying the * operator.

Performs the * operation. Read more

Performs the *= operation. Read more

Performs the *= operation. Read more

Performs the *= operation. Read more

Multiply the base field of the QuadExtVar by the appropriate Frobenius coefficient. This is equivalent to Self::mul_base_field_by_frob_coeff(power). Read more

Multiply the base field of the QuadExtVar by the appropriate Frobenius coefficient. This is equivalent to Self::mul_base_field_by_frob_coeff(power). Read more

The type of the “native” value that Self represents in the constraint system. Read more

Returns the underlying ConstraintSystemRef. Read more

Returns the value that is assigned to self in the underlying ConstraintSystem. Read more

Returns true if self is a circuit-generation-time constant.

The resulting type after applying the - operator.

Performs the - operation. Read more

The resulting type after applying the - operator.

Performs the - operation. Read more

The resulting type after applying the - operator.

Performs the - operation. Read more

The resulting type after applying the - operator.

Performs the - operation. Read more

The resulting type after applying the - operator.

Performs the - operation. Read more

The resulting type after applying the - operator.

Performs the - operation. Read more

Performs the -= operation. Read more

Performs the -= operation. Read more

Performs the -= operation. Read more

The type of values being looked up.

Interprets the slice bits as a two-bit integer b = bits[0] + (bits[1] << 1), and then outputs constants[b] * c, where c = if bits[2] { -1 } else { 1 };. Read more

Outputs the canonical little-endian bit-wise representation of self. Read more

Outputs a possibly non-unique little-endian bit-wise representation of self. Read more

Outputs the canonical big-endian bit-wise representation of self.

Outputs a possibly non-unique big-endian bit-wise representation of self. Read more

Outputs a canonical, little-endian, byte decomposition of self. Read more

Outputs a possibly non-unique byte decomposition of self. Read more

Converts self to FpVar<ConstraintF> variables.

The type of values being looked up.

Interprets the slice bits as a two-bit integer b = bits[0] + (bits[1] << 1), and then outputs constants[b]. Read more

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more

Immutably borrows from an owned value. Read more

Mutably borrows from an owned value. Read more

Performs the conversion.

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

Performs the conversion.

Should always be Self

The resulting type after obtaining ownership.

Creates owned data from borrowed data, usually by cloning. Read more

🔬 This is a nightly-only experimental API. (toowned_clone_into)

recently added

Uses borrowed data to replace owned data, usually by cloning. Read more

The type returned in the event of a conversion error.

Performs the conversion.

The type returned in the event of a conversion error.

Performs the conversion.