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use crate::fields::exponent::Exponent;
use crate::fields::rational::Rational;
use crate::fields::CyclotomicFieldElement;
use crate::fields::Q;
pub fn inner_product<T: CyclotomicFieldElement<E, Q>, E: Exponent, Q: Rational>(
sizes: &Vec<i64>,
chi1: &Vec<T>,
chi2: &Vec<T>,
) -> T {
assert_eq!(chi1.len(), chi2.len());
assert_eq!(chi1.len(), sizes.len());
let mut sum = T::zero_order(&E::from(1));
for i in 0..chi1.len() {
let mut term = chi1[i].clone();
term.mul(&mut chi2[i].complex_conjugate())
.scalar_mul(&Q::from((sizes[i], 1)));
sum.add(&mut term);
}
sum
}