Function bellperson::groth16::verify_proofs_batch

pub fn verify_proofs_batch<'a, E, R>(
    pvk: &'a PreparedVerifyingKey<E>, 
    rng: &mut R, 
    proofs: &[&Proof<E>], 
    public_inputs: &[Vec<E::Fr>]
) -> Result<bool, SynthesisError> where
    E: MultiMillerLoop,
    <E::Fr as PrimeField>::Repr: Sync + Copy,
    R: RngCore, 

Randomized batch verification - see Appendix B.2 in Zcash spec