FftCache

cpntt

Struct FftCache 

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pub struct FftCache<M: Modulo> {
    pub root: [M32<M>; 35],
    pub iroot: [M32<M>; 35],
    pub rate2: [M32<M>; 35],
    pub irate2: [M32<M>; 35],
    pub rate3: [M32<M>; 35],
    pub irate3: [M32<M>; 35],
}
Expand description

AtCoder-Library like FftCache

reference: https://github.com/atcoder/ac-library/blob/master/atcoder/convolution.hpp

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§root: [M32<M>; 35]§iroot: [M32<M>; 35]§rate2: [M32<M>; 35]§irate2: [M32<M>; 35]§rate3: [M32<M>; 35]§irate3: [M32<M>; 35]

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impl<M: Modulo> FftCache<M>

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pub const fn new() -> Self

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pub fn gen_rate(&self, log: usize) -> Vec<M32<M>>

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pub fn gen_irate(&self, log: usize) -> Vec<M32<M>>

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impl<M: Modulo> Default for FftCache<M>

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fn default() -> Self

Returns the “default value” for a type. Read more

Auto Trait Implementations§

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impl<M> Freeze for FftCache<M>

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impl<M> RefUnwindSafe for FftCache<M>

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impl<M> Send for FftCache<M>

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impl<M> Sync for FftCache<M>

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impl<M> Unpin for FftCache<M>

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impl<M> UnwindSafe for FftCache<M>

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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, 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, 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.