Method evaluate

poly-commit/src/ipa_pc/data_structures.rs:223–236

Evaluate `self` at `point` in time `O(log_d)`.

(&self, point: F)

    /// Evaluate `self` at `point` in time `O(log_d)`.
    pub fn evaluate(&self, point: F) -> F {
        let challenges = &self.0;
        let log_d = challenges.len();

        let mut product = F::one();
        for (i, challenge) in challenges.iter().enumerate() {
            let i = i + 1;
            let elem_degree: u64 = (1 << (log_d - i)) as u64;
            let elem = point.pow([elem_degree]);
            product *= &(F::one() + &(elem * challenge));
        }

        product
    }
}