use ark_ff::fields::PrimeField;

pub fn vec_add<F: PrimeField>(a: &Vec<F>, b: &[F]) -> Vec<F> {
    let mut r: Vec<F> = vec![F::zero(); a.len()];
    for i in 0..a.len() {
        r[i] = a[i] + b[i];
    }
    r
}

pub fn vec_scalar_mul<F: PrimeField>(vec: &[F], c: &F) -> Vec<F> {
    let mut result = vec![F::zero(); vec.len()];
    for (i, a) in vec.iter().enumerate() {
        result[i] = *a * c;
    }
    result
}