Struct sp1_recursion_core::range_check::RangeCheckChip

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pub struct RangeCheckChip<F>(/* private fields */);
Expand description

A chip for computing range check operations.

The chip contains a preprocessed table of all possible range check operations. Other chips can then use lookups into this table to range check their values.

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impl<F: Field> RangeCheckChip<F>

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pub fn trace_and_map() -> (RowMajorMatrix<F>, BTreeMap<RangeCheckEvent, (usize, usize)>)

Creates the preprocessed range check trace and event map.

This function returns a pair (trace, map), where:

  • trace is a matrix containing all possible range check values.
  • map is a map from a range check lookup to the value’s corresponding row it appears in the table and the index of the result in the array of multiplicities.

Trait Implementations§

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impl<AB: SP1RecursionAirBuilder + PairBuilder> Air<AB> for RangeCheckChip<AB::F>

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fn eval(&self, builder: &mut AB)

Eval’s the range check chip.

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impl<F: Field> BaseAir<F> for RangeCheckChip<F>

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fn width(&self) -> usize

The number of columns (a.k.a. registers) in this AIR.
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fn preprocessed_trace(&self) -> Option<DenseMatrix<F>>

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impl<F: Clone> Clone for RangeCheckChip<F>

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

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<F: Debug> Debug for RangeCheckChip<F>

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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: Default> Default for RangeCheckChip<F>

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fn default() -> RangeCheckChip<F>

Returns the “default value” for a type. Read more
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impl<F: PrimeField32> MachineAir<F> for RangeCheckChip<F>

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type Record = ExecutionRecord<F>

The execution record containing events for producing the air trace.
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type Program = RecursionProgram<F>

The program that defines the control flow of the machine.
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fn name(&self) -> String

A unique identifier for this AIR as part of a machine.
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fn preprocessed_width(&self) -> usize

The width of the preprocessed trace.
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fn generate_preprocessed_trace( &self, _program: &Self::Program, ) -> Option<RowMajorMatrix<F>>

Generate the preprocessed trace given a specific program.
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fn generate_dependencies(&self, _: &Self::Record, _: &mut Self::Record)

Generate the dependencies for a given execution record.
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fn generate_trace( &self, input: &ExecutionRecord<F>, _output: &mut ExecutionRecord<F>, ) -> RowMajorMatrix<F>

Generate the trace for a given execution record. Read more
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fn included(&self, _shard: &Self::Record) -> bool

Whether this execution record contains events for this air.
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impl<F: Copy> Copy for RangeCheckChip<F>

Auto Trait Implementations§

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impl<F> Freeze for RangeCheckChip<F>

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

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impl<F> Send for RangeCheckChip<F>
where F: Send,

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impl<F> Sync for RangeCheckChip<F>
where F: Sync,

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

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

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🔬This is a nightly-only experimental API. (clone_to_uninit)
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