verilog code

4-bit carry look-ahead adder

output [3:0] s //summation

output cout //carryout

input [3:0] i1 //input1

input [3:0] i2 //input2

input c0 //前一級進位-verilog code4-bit carry look-ahead adderoutput [3:0] s// summationoutput cout// carryoutinput [3:0] i1// input1input [3:0] i2// input2input c0// pre-level binary