Struct halo2_base::gates::range::RangeConfig

source · [−]

pub struct RangeConfig<F: ScalarField> {
    pub gate: FlexGateConfig<F>,
    pub lookup_advice: [Vec<Column<Advice>>; 3],
    pub q_lookup: Vec<Option<Selector>>,
    pub lookup: TableColumn,
    /* private fields */
}

Expand description

Configuration for Range Chip

Fields

gate: FlexGateConfig<F>

Underlying Gate Configuration

lookup_advice: [Vec<Column<Advice>>; 3]

Special advice (witness) Columns used only for lookup tables.

Each phase of a halo2 circuit has a distinct lookup_advice column.

If gate has only 1 advice column, lookups are enabled for that column, in which case lookup_advice is empty
If gate has more than 1 advice column some number of user-specified lookup_advice columns are added
- In this case, we don’t need a selector so q_lookup is empty

q_lookup: Vec<Option<Selector>>

Selector values for the lookup table.

lookup: TableColumn

Column for lookup table values.

Implementations

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impl<F: ScalarField> RangeConfig<F>

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pub fn configure(
 meta: &mut ConstraintSystem<F>,
 range_strategy: RangeStrategy,
 num_advice: &[usize],
 num_lookup_advice: &[usize],
 num_fixed: usize,
 lookup_bits: usize,
 circuit_degree: usize
) -> Self

Generates a new RangeConfig with the specified parameters.

If num_columns is 0, then we assume you do not want to perform any lookups in that phase.

Panics if lookup_bits > 28.

meta: [ConstraintSystem] of the circuit
range_strategy: GateStrategy of the range chip
num_advice: Number of [Advice] [Column]s without lookup enabled in each phase
num_lookup_advice: Number of lookup_advice [Column]s in each phase
num_fixed: Number of fixed [Column]s in each phase
lookup_bits: Number of bits represented in the LookUp table [0,2^lookup_bits)
circuit_degree: Degree that expresses the size of circuit (i.e., 2^^{circuit_degree} is the number of rows in the circuit)

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pub fn lookup_bits(&self) -> usize

Returns the number of bits represented in the lookup table [0,2^^lookup_bits).

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pub fn load_lookup_table(
&self,
layouter: &mut impl Layouter<F>
) -> Result<(), Error>

Loads the lookup table into the circuit using the provided layouter.

layouter: layouter for the circuit

Trait Implementations

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impl<F: Clone + ScalarField> Clone for RangeConfig<F>

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fn clone(&self) -> RangeConfig<F>

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

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impl<F: Debug + ScalarField> Debug for RangeConfig<F>

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

Formats the value using the given formatter. Read more

Auto Trait Implementations

impl<F> RefUnwindSafe for RangeConfig<F>where
F: RefUnwindSafe,

impl<F> Send for RangeConfig<F>

impl<F> Sync for RangeConfig<F>

impl<F> Unpin for RangeConfig<F>where
F: Unpin,

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

Blanket Implementations

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

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Gets the TypeId of self. Read more

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T: ?Sized,

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Immutably borrows from an owned value. Read more

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T: ?Sized,

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Mutably borrows from an owned value. Read more

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fn conv<T>(self) -> Twhere
Self: Into<T>,

Converts self into T using Into<T>. Read more

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Self: Binary,

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

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Self: Display,

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fn fmt_lower_exp(self) -> FmtLowerExp<Self>where
Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted. Read more

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

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

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Self: Octal,

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

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Self: UpperExp,

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fn fmt_upper_hex(self) -> FmtUpperHex<Self>where
Self: UpperHex,

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

fn fmt_list(self) -> FmtList<Self>where
&'a Self: for<'a> IntoIterator,

Formats each item in a sequence. Read more

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impl<T> From<T> for T

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Returns the argument unchanged.

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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 pipe<R>(self, func: impl FnOnce(Self) -> R) -> Rwhere
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) -> Rwhere
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const ALIGN: usize = mem::align_of::<T>()

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type Init = T

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fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Selfwhere
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fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Selfwhere
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Self: Deref<Target = T>,
T: ?Sized,

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Self: DerefMut<Target = T> + Deref,
T: ?Sized,

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Struct halo2_base::gates::range::RangeConfig

Fields

Implementations

impl<F: ScalarField> RangeConfig<F>

pub fn configure( meta: &mut ConstraintSystem<F>, range_strategy: RangeStrategy, num_advice: &[usize], num_lookup_advice: &[usize], num_fixed: usize, lookup_bits: usize, circuit_degree: usize) -> Self

pub fn lookup_bits(&self) -> usize

pub fn load_lookup_table( &self, layouter: &mut impl Layouter<F>) -> Result<(), Error>

Trait Implementations

impl<F: Clone + ScalarField> Clone for RangeConfig<F>

fn clone(&self) -> RangeConfig<F>

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

impl<F: Debug + ScalarField> Debug for RangeConfig<F>

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

Auto Trait Implementations

impl<F> RefUnwindSafe for RangeConfig<F>where F: RefUnwindSafe,

impl<F> Send for RangeConfig<F>

impl<F> Sync for RangeConfig<F>

impl<F> Unpin for RangeConfig<F>where F: Unpin,

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

Blanket Implementations

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

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

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

impl<T> Conv for T

fn conv<T>(self) -> Twhere Self: Into<T>,

impl<T> FmtForward for T

fn fmt_binary(self) -> FmtBinary<Self>where Self: Binary,

fn fmt_display(self) -> FmtDisplay<Self>where Self: Display,

fn fmt_lower_exp(self) -> FmtLowerExp<Self>where Self: LowerExp,

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

fn fmt_octal(self) -> FmtOctal<Self>where Self: Octal,

fn fmt_pointer(self) -> FmtPointer<Self>where Self: Pointer,

fn fmt_upper_exp(self) -> FmtUpperExp<Self>where Self: UpperExp,

fn fmt_upper_hex(self) -> FmtUpperHex<Self>where Self: UpperHex,

fn fmt_list(self) -> FmtList<Self>where &'a Self: for<'a> IntoIterator,

impl<T> From<T> for T

fn from(t: T) -> T

impl<T> Instrument for T

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

fn in_current_span(self) -> Instrumented<Self>

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

fn into(self) -> U

impl<T> Pipe for Twhere T: ?Sized,

fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> Rwhere Self: Sized,

fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> Rwhere R: 'a,

fn pipe_ref_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> Rwhere R: 'a,

fn pipe_borrow<'a, B, R>(&'a self, func: impl FnOnce(&'a B) -> R) -> Rwhere Self: Borrow<B>, B: 'a + ?Sized, R: 'a,

fn pipe_borrow_mut<'a, B, R>( &'a mut self, func: impl FnOnce(&'a mut B) -> R) -> Rwhere Self: BorrowMut<B>, B: 'a + ?Sized, R: 'a,

fn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> Rwhere Self: AsRef<U>, U: 'a + ?Sized, R: 'a,

fn pipe_as_mut<'a, U, R>(&'a mut self, func: impl FnOnce(&'a mut U) -> R) -> Rwhere Self: AsMut<U>, U: 'a + ?Sized, R: 'a,

fn pipe_deref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> Rwhere Self: Deref<Target = T>, T: 'a + ?Sized, R: 'a,

fn pipe_deref_mut<'a, T, R>(&'a mut self, func: impl FnOnce(&'a mut T) -> R) -> Rwhere Self: DerefMut<Target = T> + Deref, T: 'a + ?Sized, R: 'a,

impl<T> Pointable for T

const ALIGN: usize = mem::align_of::<T>()

type Init = T

unsafe fn init(init: <T as Pointable>::Init) -> usize

unsafe fn deref<'a>(ptr: usize) -> &'a T

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

unsafe fn drop(ptr: usize)

impl<T> Same<T> for T

type Output = T

impl<T> Tap for T

fn tap(self, func: impl FnOnce(&Self)) -> Self

fn tap_mut(self, func: impl FnOnce(&mut Self)) -> Self

fn tap_borrow<B>(self, func: impl FnOnce(&B)) -> Selfwhere Self: Borrow<B>, B: ?Sized,

fn tap_borrow_mut<B>(self, func: impl FnOnce(&mut B)) -> Selfwhere Self: BorrowMut<B>, B: ?Sized,

fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Selfwhere Self: AsRef<R>, R: ?Sized,

fn tap_ref_mut<R>(self, func: impl FnOnce(&mut R)) -> Selfwhere Self: AsMut<R>, R: ?Sized,

fn tap_deref<T>(self, func: impl FnOnce(&T)) -> Selfwhere Self: Deref<Target = T>, T: ?Sized,

fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Selfwhere Self: DerefMut<Target = T> + Deref, T: ?Sized,

fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self

fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self

fn tap_borrow_dbg<B>(self, func: impl FnOnce(&B)) -> Selfwhere Self: Borrow<B>, B: ?Sized,

fn tap_borrow_mut_dbg<B>(self, func: impl FnOnce(&mut B)) -> Selfwhere Self: BorrowMut<B>, B: ?Sized,

fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Selfwhere Self: AsRef<R>, R: ?Sized,

fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Selfwhere Self: AsMut<R>, R: ?Sized,

fn tap_deref_dbg<T>(self, func: impl FnOnce(&T)) -> Selfwhere Self: Deref<Target = T>, T: ?Sized,

pub fn configure(
meta: &mut ConstraintSystem<F>,
range_strategy: RangeStrategy,
num_advice: &[usize],
num_lookup_advice: &[usize],
num_fixed: usize,
lookup_bits: usize,
circuit_degree: usize
) -> Self

pub fn load_lookup_table(
&self,
layouter: &mut impl Layouter<F>
) -> Result<(), Error>

impl<F> RefUnwindSafe for RangeConfig<F>where
F: RefUnwindSafe,

impl<F> Unpin for RangeConfig<F>where
F: Unpin,

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

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

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

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

fn conv<T>(self) -> Twhere
Self: Into<T>,

fn fmt_binary(self) -> FmtBinary<Self>where
Self: Binary,

fn fmt_display(self) -> FmtDisplay<Self>where
Self: Display,

fn fmt_lower_exp(self) -> FmtLowerExp<Self>where
Self: LowerExp,

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

fn fmt_octal(self) -> FmtOctal<Self>where
Self: Octal,

fn fmt_pointer(self) -> FmtPointer<Self>where
Self: Pointer,

fn fmt_upper_exp(self) -> FmtUpperExp<Self>where
Self: UpperExp,

fn fmt_upper_hex(self) -> FmtUpperHex<Self>where
Self: UpperHex,

fn fmt_list(self) -> FmtList<Self>where
&'a Self: for<'a> IntoIterator,

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

impl<T> Pipe for Twhere
T: ?Sized,

fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> Rwhere
Self: Sized,

fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> Rwhere
R: 'a,

fn pipe_ref_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> Rwhere
R: 'a,

fn pipe_borrow<'a, B, R>(&'a self, func: impl FnOnce(&'a B) -> R) -> Rwhere
Self: Borrow<B>,
B: 'a + ?Sized,
R: 'a,

fn pipe_borrow_mut<'a, B, R>(
&'a mut self,
func: impl FnOnce(&'a mut B) -> R
) -> Rwhere
Self: BorrowMut<B>,
B: 'a + ?Sized,
R: 'a,

fn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> Rwhere
Self: AsRef<U>,
U: 'a + ?Sized,
R: 'a,

fn pipe_as_mut<'a, U, R>(&'a mut self, func: impl FnOnce(&'a mut U) -> R) -> Rwhere
Self: AsMut<U>,
U: 'a + ?Sized,
R: 'a,

fn pipe_deref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> Rwhere
Self: Deref<Target = T>,
T: 'a + ?Sized,
R: 'a,

fn pipe_deref_mut<'a, T, R>(&'a mut self, func: impl FnOnce(&'a mut T) -> R) -> Rwhere
Self: DerefMut<Target = T> + Deref,
T: 'a + ?Sized,
R: 'a,

fn tap_borrow<B>(self, func: impl FnOnce(&B)) -> Selfwhere
Self: Borrow<B>,
B: ?Sized,

fn tap_borrow_mut<B>(self, func: impl FnOnce(&mut B)) -> Selfwhere
Self: BorrowMut<B>,
B: ?Sized,

fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Selfwhere
Self: AsRef<R>,
R: ?Sized,

fn tap_ref_mut<R>(self, func: impl FnOnce(&mut R)) -> Selfwhere
Self: AsMut<R>,
R: ?Sized,

fn tap_deref<T>(self, func: impl FnOnce(&T)) -> Selfwhere
Self: Deref<Target = T>,
T: ?Sized,

fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Selfwhere
Self: DerefMut<Target = T> + Deref,
T: ?Sized,

fn tap_borrow_dbg<B>(self, func: impl FnOnce(&B)) -> Selfwhere
Self: Borrow<B>,
B: ?Sized,

fn tap_borrow_mut_dbg<B>(self, func: impl FnOnce(&mut B)) -> Selfwhere
Self: BorrowMut<B>,
B: ?Sized,

fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Selfwhere
Self: AsRef<R>,
R: ?Sized,

fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Selfwhere
Self: AsMut<R>,
R: ?Sized,

fn tap_deref_dbg<T>(self, func: impl FnOnce(&T)) -> Selfwhere
Self: Deref<Target = T>,
T: ?Sized,

fn tap_deref_mut_dbg<T>(self, func: impl FnOnce(&mut T)) -> Selfwhere
Self: DerefMut<Target = T> + Deref,
T: ?Sized,

impl<T> ToOwned for Twhere
T: Clone,

fn try_conv<T>(self) -> Result<T, Self::Error>where
Self: TryInto<T>,

impl<T, U> TryFrom<U> for Twhere
U: Into<T>,

impl<T, U> TryInto<U> for Twhere
U: TryFrom<T>,

impl<V, T> VZip<V> for Twhere
V: MultiLane<T>,

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