ark_r1cs_std::poly::evaluations::univariate::lagrange_interpolator

Struct LagrangeInterpolator

pub struct LagrangeInterpolator<F: PrimeField> { /* private fields */ }

Expand description

Struct describing Lagrange interpolation for a multiplicative coset I, with |I| a power of 2. TODO: Pull in lagrange poly explanation from libiop

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impl<F: PrimeField> LagrangeInterpolator<F>

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pub fn new( domain_offset: F, domain_generator: F, domain_dim: u64, poly_evaluations: Vec<F>, ) -> Self

Returns a lagrange interpolator, given the domain specification.

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pub fn interpolate(&self, interpolation_point: F) -> F

Trait Implementations§

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impl<F: Clone + PrimeField> Clone for LagrangeInterpolator<F>

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fn clone(&self) -> LagrangeInterpolator<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

Auto Trait Implementations§

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impl<F> UnwindSafe for LagrangeInterpolator<F>
where F: UnwindSafe,

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> CloneToUninit for T
where T: Clone,

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

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

Performs copy-assignment from self to dst. Read more

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

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

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fn in_current_span(self) -> Instrumented<Self>

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

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impl<T, U> Into for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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