Method join

ciphercore-base/src/ops/comparisons.rs:132–144

`rhs` has higher priority. So if `rhs.a_is_smaller` or `rhs.b_is_smaller` is set to 1 for a specific position, this value is used. Otherwise, values from `self` are used. Multiplication depth of formulas here is 1, which is important for performance reasons.

(&self, rhs: &Self)

    /// Multiplication depth of formulas here is 1, which is important for performance
    /// reasons.
    fn join(&self, rhs: &Self) -> Result<Self> {
        let graph = &self.a_equal_b.get_graph();
        let one = graph.ones(scalar_type(BIT))?;

        let a = self
            .a
            .multiply(rhs.a_equal_b.clone())?
            .add(rhs.a.multiply(rhs.a_equal_b.add(one)?)?)?;

        let a_equal_b = self.a_equal_b.multiply(rhs.a_equal_b.clone())?;

        Ok(Self { a_equal_b, a })
    }

    /// Joins even-indexed and odd-indexed values
    /// If the number of elements is not divisible by two,