Function bellperson::gadgets::lookup::lookup3_xy

pub fn lookup3_xy<E: ScalarEngine, CS>(
    cs: CS, 
    bits: &[Boolean], 
    coords: &[(E::Fr, E::Fr)]
) -> Result<(AllocatedNum<E>, AllocatedNum<E>), SynthesisError> where
    CS: ConstraintSystem<E>, 

Performs a 3-bit window table lookup. bits is in little-endian order.