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https://github.com/logos-storage/plonky2.git
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3346d3f902
* `field_types` -> `types` Here too, I think "field" is usually clear from context, e.g. in `use plonky2::field::types::Field;`. * fixes * fmt
17 lines
640 B
Rust
17 lines
640 B
Rust
use itertools::Itertools;
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use plonky2::field::polynomial::PolynomialValues;
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use plonky2::field::types::Field;
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use plonky2::util::transpose;
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/// A helper function to transpose a row-wise trace and put it in the format that `prove` expects.
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pub fn trace_rows_to_poly_values<F: Field, const COLUMNS: usize>(
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trace_rows: Vec<[F; COLUMNS]>,
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) -> Vec<PolynomialValues<F>> {
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let trace_row_vecs = trace_rows.into_iter().map(|row| row.to_vec()).collect_vec();
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let trace_col_vecs: Vec<Vec<F>> = transpose(&trace_row_vecs);
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trace_col_vecs
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.into_iter()
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.map(|column| PolynomialValues::new(column))
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.collect()
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}
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