Added multi tb for round().

libraries/base/common/tb/vhdl/tb_tb_round.vhd

+-- --------------------------------------------------------------------------
+-- Copyright 2021
+-- ASTRON (Netherlands Institute for Radio Astronomy) <http://www.astron.nl/>
+-- P.O.Box 2, 7990 AA Dwingeloo, The Netherlands
+--
+-- Licensed under the Apache License, Version 2.0 (the "License");
+-- you may not use this file except in compliance with the License.
+-- You may obtain a copy of the License at
+--
+-- http://www.apache.org/licenses/LICENSE-2.0
+--
+-- Unless required by applicable law or agreed to in writing, software
+-- distributed under the License is distributed on an "AS IS" BASIS,
+-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+-- See the License for the specific language governing permissions and
+-- limitations under the License.
+-- --------------------------------------------------------------------------
+--
+-- Author: E. Kooistra, 4 nov 2021
+-- Purpose: Multi tb for common_round.vhd and s_round(), u_round() in common_pkg.vhd
+
+LIBRARY IEEE;
+USE IEEE.std_logic_1164.ALL;
+
+ENTITY tb_tb_round IS
+END tb_tb_round;
+
+ARCHITECTURE tb OF tb_tb_round IS
+  SIGNAL tb_end : STD_LOGIC := '0';  -- declare tb_end to avoid 'No objects found' error on 'when -label tb_end'
+BEGIN
+  -- -- Supported for RESIZE_NUM() and common_round.vhd
+  -- g_in_dat_w        : NATURAL := 5;
+  -- g_out_dat_w       : NATURAL := 3
+
+  u_extend      : ENTITY work.tb_round GENERIC MAP (5, 6);
+  u_wires       : ENTITY work.tb_round GENERIC MAP (5, 5);
+  u_round_w4_r1 : ENTITY work.tb_round GENERIC MAP (4, 3);  -- -r = 4 - 3 = 1
+  u_round_w5_r2 : ENTITY work.tb_round GENERIC MAP (5, 3);  -- -r = 5 - 3 = 2
+END tb;