binius_core::protocols::sumcheck::univariate

Struct LagrangeRoundEvals

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pub struct LagrangeRoundEvals<F: Field> {
    pub zeros_prefix_len: usize,
    pub evals: Vec<F>,
}
Expand description

A univariate polynomial in Lagrange basis.

The coefficient at position i in the lagrange_coeffs corresponds to evaluation at i+zeros_prefix_len-th field element of some agreed upon domain. Coefficients at positions 0..zeros_prefix_len are zero. Addition of Lagrange basis representations only makes sense for the polynomials in the same domain.

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§zeros_prefix_len: usize§evals: Vec<F>

Implementations§

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impl<F: Field> LagrangeRoundEvals<F>

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pub fn zeros(zeros_prefix_len: usize) -> Self

A Lagrange representation of a zero polynomial, on a given domain.

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pub fn isomorphic<FI: Field + From<F>>(self) -> LagrangeRoundEvals<FI>

Representation in an isomorphic field.

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pub fn add_assign_lagrange(&mut self, rhs: &Self) -> Result<(), Error>

An assigning addition of two polynomials in Lagrange basis. May fail, thus it’s not simply an AddAssign overload due to signature mismatch.

Trait Implementations§

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impl<F: Clone + Field> Clone for LagrangeRoundEvals<F>

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fn clone(&self) -> LagrangeRoundEvals<F>

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<F: Debug + Field> Debug for LagrangeRoundEvals<F>

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

Formats the value using the given formatter. Read more
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impl<F: Field> Mul<F> for LagrangeRoundEvals<F>

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type Output = LagrangeRoundEvals<F>

The resulting type after applying the * operator.
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fn mul(self, rhs: F) -> Self::Output

Performs the * operation. Read more
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impl<F: Field> MulAssign<F> for LagrangeRoundEvals<F>

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fn mul_assign(&mut self, rhs: F)

Performs the *= operation. Read more

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impl<T> Any for T
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fn borrow_mut(&mut self) -> &mut T

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unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
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fn from(t: T) -> T

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const ALIGN: usize = _

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unsafe fn init(init: <T as Pointable>::Init) -> usize

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type Output = T

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type Error = Infallible

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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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