binius_ntt::twiddle

Struct PrecomputedTwiddleAccess

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pub struct PrecomputedTwiddleAccess<F, SEvals = Vec<F>> { /* private fields */ }
Expand description

Twiddle access method using a larger table of precomputed constants.

This implementation precomputes all $2^k$ twiddle factors for a domain of size $2^k$.

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impl<F: BinaryField> PrecomputedTwiddleAccess<F>

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pub fn generate<DomainField: BinaryField + Into<F>>( log_domain_size: usize, ) -> Result<Vec<Self>, Error>

Trait Implementations§

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impl<F: Debug, SEvals: Debug> Debug for PrecomputedTwiddleAccess<F, SEvals>

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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, SEvals> TwiddleAccess<F> for PrecomputedTwiddleAccess<F, SEvals>
where F: BinaryField, SEvals: Deref<Target = [F]>,

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fn log_n(&self) -> usize

Base-2 logarithm of the number of twiddle factors in this round.
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fn get(&self, i: usize) -> F

Get the twiddle factor at the given index. Read more
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fn get_pair(&self, index_bits: usize, i: usize) -> (F, F)

Get the pair of twiddle factors at the indices index and (1 << index_bits) | index. Read more
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fn coset(&self, coset_bits: usize, coset: usize) -> impl TwiddleAccess<F>

Returns a scoped twiddle access for the coset that fixes the upper coset_bits of the index to coset. Read more

Auto Trait Implementations§

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impl<F, SEvals> Freeze for PrecomputedTwiddleAccess<F, SEvals>
where SEvals: Freeze,

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impl<F, SEvals> RefUnwindSafe for PrecomputedTwiddleAccess<F, SEvals>
where SEvals: RefUnwindSafe, F: RefUnwindSafe,

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impl<F, SEvals> Send for PrecomputedTwiddleAccess<F, SEvals>
where SEvals: Send, F: Send,

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impl<F, SEvals> Sync for PrecomputedTwiddleAccess<F, SEvals>
where SEvals: Sync, F: Sync,

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impl<F, SEvals> Unpin for PrecomputedTwiddleAccess<F, SEvals>
where SEvals: Unpin, F: Unpin,

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impl<F, SEvals> UnwindSafe for PrecomputedTwiddleAccess<F, SEvals>
where SEvals: UnwindSafe, 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> 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<U> 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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impl<T> Pointable for T

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const ALIGN: usize = _

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a [WithDispatch] wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a [WithDispatch] wrapper. Read more