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-// -*- verilog -*-
-//
-// USRP - Universal Software Radio Peripheral
-//
-// Copyright (C) 2007 Matt Ettus
-//
-// 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 2 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, write to the Free Software
-// Foundation, Inc., 51 Franklin Street, Boston, MA 02110-1301 USA
-//
-
-// Rounding "macro"
-// Keeps the topmost bits, does proper 2s comp round to zero (unbiased truncation)
-
-module round
- #(parameter bits_in=0,
- parameter bits_out=0)
- (input [bits_in-1:0] in,
- output [bits_out-1:0] out,
- output [bits_in-bits_out:0] err);
-
- assign out = in[bits_in-1:bits_in-bits_out] + (in[bits_in-1] & |in[bits_in-bits_out-1:0]);
- assign err = in - {out,{(bits_in-bits_out){1'b0}}};
-
-endmodule // round