Method sub_slice

ciphercore-base/src/ops/adder.rs:196–208

Returns every second element starting from `start_offset`

(&self, start_offset: i64, bit_len: i64)

    /// Returns every second element starting from `start_offset`
    fn sub_slice(&self, start_offset: i64, bit_len: i64) -> Result<Self> {
        let get_slice = |node: &Node| {
            node.get_slice(vec![SliceElement::SubArray(
                Some(start_offset),
                Some(bit_len),
                Some(2),
            )])
        };
        Ok(Self {
            propagate: get_slice(&self.propagate)?,
            generate: get_slice(&self.generate)?,
        })
    }

    fn apply(&self, prev_carry: Node) -> Result<Node> {
        self.generate.add(self.propagate.multiply(prev_carry)?)