diff --git a/src/gates/exponentiation.rs b/src/gates/exponentiation.rs index d090cd3f..da250bb2 100644 --- a/src/gates/exponentiation.rs +++ b/src/gates/exponentiation.rs @@ -73,11 +73,10 @@ impl, const D: usize> Gate for ExponentiationGate { let mut current_intermediate_value = F::Extension::ONE; for i in 0..self.num_power_bits { - let computed_intermediate_value = if power_bits[i] == F::Extension::ONE { - current_intermediate_value * base - } else { - current_intermediate_value - }; + let cur_bit = power_bits[i]; + let not_cur_bit = F::Extension::ONE - cur_bit; + let computed_intermediate_value = + current_intermediate_value * (cur_bit * base + not_cur_bit); constraints.push(computed_intermediate_value - intermediate_values[i]); current_intermediate_value = computed_intermediate_value * computed_intermediate_value; }