Method mul

bitvm/src/bigint/mul.rs:6–35

()

impl<const N_BITS: u32, const LIMB_SIZE: u32> BigIntImpl<N_BITS, LIMB_SIZE> {
    pub fn mul() -> Script {
        script! {
            { Self::convert_to_be_bits_toaltstack() }

            OP_FROMALTSTACK
            OP_IF
                { Self::copy(0) }
            OP_ELSE
                { push_to_stack(0, Self::N_LIMBS as usize)}
            OP_ENDIF

            for _ in 1..N_BITS - 1 {
                { Self::double(1) }
                { Self::roll(1) }
                OP_FROMALTSTACK
                OP_IF
                    { Self::copy(1) }
                    { Self::add(1, 0) }
                OP_ENDIF
            }

            { Self::double(1) }
            OP_FROMALTSTACK
            OP_IF
                { Self::add(1, 0) }
            OP_ELSE
                { Self::drop() }
            OP_ENDIF
        }
    }
}

#[cfg(test)]