Function inner_product_poly

utils/src/poly.rs:46–56

Given a vector of polynomials `polys` and scalars `coeffs`, return their inner product `polys[0] * coeffs[0] + polys[1] * coeffs[1] + ...`

(
    polys: &[DensePolynomial<F>],
    coeffs: Vec<F>,
)

/// Given a vector of polynomials `polys` and scalars `coeffs`, return their inner product `polys[0] * coeffs[0] + polys[1] * coeffs[1] + ...`
pub fn inner_product_poly<F: Field>(
    polys: &[DensePolynomial<F>],
    coeffs: Vec<F>,
) -> DensePolynomial<F> {
    let product = cfg_into_iter!(coeffs)
        .zip(cfg_into_iter!(polys))
        .map(|(f, p)| p * f);

    let zero = DensePolynomial::zero;
    cfg_iter_sum!(product, zero)
}

/// Create a polynomial from given `roots` as `(x-roots[0])*(x-roots[1])*(x-roots[2])*..`
pub fn poly_from_roots<F: Field>(roots: &[F]) -> DensePolynomial<F> {