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Merge pull request #705 from mir-protocol/packed_len_div

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Use `ceil_div_usize` for `PACKED_LEN`
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Daniel Lubarov 2022-09-08 09:59:31 -07:00 committed by GitHub
commit 09f062481a
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1 changed files with 2 additions and 1 deletions
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evm/src/logic.rs
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@ -7,6 +7,7 @@ use plonky2::field::packed::PackedField;
use plonky2::field::polynomial::PolynomialValues; use plonky2::field::polynomial::PolynomialValues;
use plonky2::field::types::Field; use plonky2::field::types::Field;
use plonky2::hash::hash_types::RichField; use plonky2::hash::hash_types::RichField;
use plonky2_util::ceil_div_usize;
use crate::constraint_consumer::{ConstraintConsumer, RecursiveConstraintConsumer}; use crate::constraint_consumer::{ConstraintConsumer, RecursiveConstraintConsumer};
use crate::cross_table_lookup::Column; use crate::cross_table_lookup::Column;
@ -19,7 +20,7 @@ const VAL_BITS: usize = 256;
// Number of bits stored per field element. Ensure that this fits; it is not checked. // Number of bits stored per field element. Ensure that this fits; it is not checked.
pub(crate) const PACKED_LIMB_BITS: usize = 32; pub(crate) const PACKED_LIMB_BITS: usize = 32;
// Number of field elements needed to store each input/output at the specified packing. // Number of field elements needed to store each input/output at the specified packing.
const PACKED_LEN: usize = (VAL_BITS + PACKED_LIMB_BITS - 1) / PACKED_LIMB_BITS; const PACKED_LEN: usize = ceil_div_usize(VAL_BITS, PACKED_LIMB_BITS);
pub(crate) mod columns { pub(crate) mod columns {
use std::cmp::min; use std::cmp::min;