// // Copyright 2011 Ettus Research LLC // // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program. If not, see . // module add2_and_round #(parameter WIDTH=16) (input [WIDTH-1:0] in1, input [WIDTH-1:0] in2, output [WIDTH-1:0] sum); wire [WIDTH:0] sum_int = {in1[WIDTH-1],in1} + {in2[WIDTH-1],in2}; assign sum = sum_int[WIDTH:1] + (sum_int[WIDTH] & sum_int[0]); endmodule // add2_and_round