INNER CODE UNIT · Rust

x_i

ZcashFoundation/frost · frost-core/src/lib.rs:309

        if x_i == *x_j {
            x_i_found = true;
            continue;
        }

        if let Some(x) = x {
            num = num * (x.to_scalar() - x_j.to_scalar());
            den = den * (x_i.to_scalar() - x_j.to_scalar());
        } else {
            // Both signs inverted just to avoid requiring Neg (-*xj)
            num = num * x_j.to_scalar();
            den = den * (x_j.to_scalar() - x_i.to_scalar());
        }
    }
    if !x_i_found {
        return Err(Error::UnknownIdentifier);
    }

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