Struct zkevm_circuits::util::word::WordLimbs

impl<T, const N: usize> WordLimbs<T, N>

pub fn new(limbs: [T; N]) -> Self

Constructor

pub fn n() -> usize

The number of limbs

impl<const N: usize> WordLimbs<Column<Advice>, N>

pub fn query_advice<F: Field>( &self, meta: &mut VirtualCells<'_, F>, at: Rotation ) -> WordLimbs<Expression<F>, N>

Query advice of WordLibs of columns advice

impl<const N: usize> WordLimbs<u8, N>

pub fn to_expr<F: Field>(&self) -> WordLimbs<Expression<F>, N>

Convert WordLimbs of u8 to WordLimbs of expressions

impl<F: Field, const N: usize> WordLimbs<Cell<F>, N>

pub fn assign_u256( &self, region: &mut CachedRegion<'_, '_, F>, offset: usize, word: Word ) -> Result<Vec<AssignedCell<F, F>>, Error>

assign u256 to wordlimbs

pub fn assign_h160( &self, region: &mut CachedRegion<'_, '_, F>, offset: usize, h160: H160 ) -> Result<Vec<AssignedCell<F, F>>, Error>

assign h160 to wordlimbs

pub fn assign_u64( &self, region: &mut CachedRegion<'_, '_, F>, offset: usize, value: u64 ) -> Result<Vec<AssignedCell<F, F>>, Error>

assign u64 to wordlimbs

pub fn to_word_n<const N2: usize>(&self) -> WordLimbs<Expression<F>, N2>

convert from N cells to N2 expressions limbs

impl<F: Field, const N: usize> WordLimbs<F, N>

pub fn is_zero_vartime(&self) -> bool

Check if zero

impl<F: Field, const N1: usize> WordLimbs<Expression<F>, N1>

pub fn to_word_n<const N2: usize>(&self) -> WordLimbs<Expression<F>, N2>

to_wordlimbs will aggregate nested expressions, which implies during expression evaluation it need more recursive call. if the converted limbs word will be used in many places, consider create new low limbs word, have equality constrain, then finally use low limbs elsewhere.

pub fn eq<const N2: usize>( &self, others: &WordLimbs<Expression<F>, N2> ) -> Expression<F>

Equality expression

Trait Implementations§

impl<T: Clone, const N: usize> Clone for WordLimbs<T, N>

fn clone(&self) -> WordLimbs<T, N>

Returns a copy of the value. Read more

1.0.0 · source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

impl<T: Debug, const N: usize> Debug for WordLimbs<T, N>

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

Formats the value using the given formatter. Read more

impl<T: Default, const N: usize> Default for WordLimbs<T, N>

fn default() -> Self

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

impl<F: Field, const N: usize> WordExpr<F> for WordLimbs<Cell<F>, N>

fn to_word(&self) -> WordLoHi<Expression<F>>

Get the word expression

impl<F: Field, const N1: usize> WordExpr<F> for WordLimbs<Expression<F>, N1>

fn to_word(&self) -> WordLoHi<Expression<F>>

Get the word expression

impl<T: Copy, const N: usize> Copy for WordLimbs<T, N>

Auto Trait Implementations§

impl<T, const N: usize> RefUnwindSafe for WordLimbs<T, N>
where T: RefUnwindSafe,

impl<T, const N: usize> UnwindSafe for WordLimbs<T, N>
where T: UnwindSafe,

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fn fmt_lower_exp(self) -> FmtLowerExp<Self>
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Causes self to use its LowerExp implementation when Debug-formatted.

fn fmt_lower_hex(self) -> FmtLowerHex<Self>
where Self: LowerHex,

Causes self to use its LowerHex implementation when Debug-formatted.

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fn fmt_upper_exp(self) -> FmtUpperExp<Self>
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Causes self to use its UpperExp implementation when Debug-formatted.

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Causes self to use its UpperHex implementation when Debug-formatted.

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