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Minor Bug Fix (#87)

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This commit is contained in:
Tom Shen
2021-12-22 18:13:42 -08:00
committed by GitHub
parent 1f56c46edc
commit 986ab20ac0
1 changed files with 4 additions and 7 deletions
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11
src/poly/domain/mod.rs
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@@ -92,7 +92,7 @@ impl<F: PrimeField> Radix2DomainVar<F> {
/// returns all points of `h*g^{position}<g^{n-query_pos.len()}>`
///
/// # Panics
/// This function panics when `query_pos.len() != coset_dim` or `query_pos.len() != self.dim`.
/// This function panics when `query_pos.len() < log2_num_cosets`.
pub fn query_position_to_coset(
&self,
query_pos: &[Boolean<F>],
@@ -113,12 +113,9 @@ fn truncate_to_coset_index<F: PrimeField>(
codeword_dim: u64,
coset_dim: u64,
) -> Vec<Boolean<F>> {
assert!(query_pos.len() == codeword_dim as usize || query_pos.len() == coset_dim as usize);
if query_pos.len() == codeword_dim as usize {
query_pos[0..(query_pos.len() - coset_dim as usize)].to_vec()
} else {
query_pos.to_vec()
}
let log2_num_cosets = (codeword_dim - coset_dim) as usize;
assert!(query_pos.len() >= log2_num_cosets);
query_pos[0..log2_num_cosets].to_vec()
}
#[cfg(test)]