sp1_core_machine/range/
air.rs

1use core::borrow::Borrow;
2
3use slop_air::{Air, BaseAir, PairBuilder};
4use slop_algebra::{AbstractField, Field};
5use slop_matrix::Matrix;
6use sp1_core_executor::ByteOpcode;
7use sp1_hypercube::air::SP1AirBuilder;
8
9use super::{
10    columns::{RangeMultCols, RangePreprocessedCols, NUM_RANGE_MULT_COLS},
11    RangeChip,
12};
13
14impl<F: Field> BaseAir<F> for RangeChip<F> {
15    fn width(&self) -> usize {
16        NUM_RANGE_MULT_COLS
17    }
18}
19
20impl<AB: SP1AirBuilder + PairBuilder> Air<AB> for RangeChip<AB::F> {
21    fn eval(&self, builder: &mut AB) {
22        let main = builder.main();
23        let local_mult = main.row_slice(0);
24        let local_mult: &RangeMultCols<AB::Var> = (*local_mult).borrow();
25
26        let prep = builder.preprocessed();
27        let prep = prep.row_slice(0);
28        let local: &RangePreprocessedCols<AB::Var> = (*prep).borrow();
29
30        let field_op = ByteOpcode::Range.as_field::<AB::F>();
31        let mult = local_mult.multiplicity;
32        builder.receive_byte(field_op, local.a, local.bits, AB::F::zero(), mult);
33    }
34}
sp1_core_machine/range/air.rs

sp1_core_machine/range/
air.rs
