[−][src]Struct swar::Bits4
This is used when every 4
bits is a number stored in parallel.
Methods
impl Bits4<u128>
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pub fn from_element(e: u128) -> Self
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Spread a single value out to each element. Must be able to fit.
use swar::*; assert_eq!(Bits4::from_element(0b0110), Bits4(0x6666_6666_6666_6666_6666_6666_6666_6666));
pub fn sum_weight2(self) -> Bits8<u128>
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pub fn hwd(self, other: Self) -> Self
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This computes the hamming weight distance from hamming weights.
use swar::*; for a in 0u128..=4 { for b in 0u128..=4 { let aa = Bits4(a | a << 4); let bb = Bits4(b | b << 4); let out = aa.hwd(bb); let diff = (a as i128 - b as i128).abs() as u128; let expected = Bits4(diff | diff << 4); assert_eq!(out, expected, "got hamming distances {:08b} expected {:08b} ({:04b}, {:04b})", out.0, expected.0, a, b); } }
pub fn split(self) -> (Bits4x8<u128>, Bits4x8<u128>)
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Trait Implementations
impl<N: Clone> Clone for Bits4<N>
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fn clone(&self) -> Bits4<N>
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default fn clone_from(&mut self, source: &Self)
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Performs copy-assignment from source
. Read more
impl<N: Debug> Debug for Bits4<N>
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impl<N: PartialEq> PartialEq<Bits4<N>> for Bits4<N>
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impl<N: Eq> Eq for Bits4<N>
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impl<N> From<Bits2x4<N>> for Bits4<N>
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impl<N> From<Bits3x4<N>> for Bits4<N>
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impl<N: Copy> Copy for Bits4<N>
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impl BitAnd<u128> for Bits4<u128>
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type Output = Self
The resulting type after applying the &
operator.
fn bitand(self, rhs: u128) -> Self
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impl Shr<u32> for Bits4<u128>
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Auto Trait Implementations
Blanket Implementations
impl<T, U> TryFrom for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T> From for T
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impl<T, U> TryInto for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T, U> Into for T where
U: From<T>,
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U: From<T>,
impl<T> Borrow for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,