Import vests testsuite

1 files changed, 101 insertions, 0 deletions

diff --git a/testsuite/vests/vhdl-93/ashenden/compliant/ch_19_sink-b.vhd b/testsuite/vests/vhdl-93/ashenden/compliant/ch_19_sink-b.vhd
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+++ b/testsuite/vests/vhdl-93/ashenden/compliant/ch_19_sink-b.vhd
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+
+-- Copyright (C) 1996 Morgan Kaufmann Publishers, Inc
+
+-- This file is part of VESTs (Vhdl tESTs).
+
+-- VESTs 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. 
+
+-- VESTs 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 VESTs; if not, write to the Free Software Foundation,
+-- Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
+
+-- ---------------------------------------------------------------------
+--
+-- $Id: ch_19_sink-b.vhd,v 1.2 2001-10-26 16:29:36 paw Exp $
+-- $Revision: 1.2 $
+--
+-- ---------------------------------------------------------------------
+
+library math;
+
+architecture behavior of sink is
+
+begin
+
+  token_consumer : process is
+
+                             variable number_of_tokens_consumed : natural := 0;
+                           variable life_time : real;  -- in time_unit
+                           variable sum_of_life_times : real := 0.0;  -- in time_unit
+                           variable sum_of_squares_of_life_times : real := 0.0;  --in time_unit**2
+
+                           use std.textio.all;
+                           file info_file : text;
+                           variable L : line;
+
+                           use math.math_real.sqrt;
+
+                           procedure write_summary is
+                             variable mean_life_time : real
+                               := sum_of_life_times / real(number_of_tokens_consumed);
+                             variable std_dev_of_life_times : real
+                               := sqrt ( ( sum_of_squares_of_life_times
+                                           - sum_of_life_times**2 / real(number_of_tokens_consumed) )
+                                         / real( number_of_tokens_consumed - 1 ) );
+                           begin
+                             write(L, string'("Summary information for sink "));
+                             write(L, name);
+                             write(L, string'(" up to time "));
+                             write(L, now, unit => time_unit);
+                             writeline(info_file, L);
+                             write(L, string'("  Number of tokens consumed = "));
+                             write(L, natural(number_of_tokens_consumed));
+                             writeline(info_file, L);
+                             write(L, string'("  Mean life_time = "));
+                             write(L, mean_life_time * time_unit, unit => time_unit);
+                             writeline(info_file, L);
+                             write(L, string'("  Standard deviation of life_times = "));
+                             write(L, std_dev_of_life_times * time_unit, unit => time_unit);
+                             writeline(info_file, L);
+                             writeline(info_file, L);
+                           end procedure write_summary;
+
+                           procedure write_trace is
+                           begin
+                             write(L, string'("Sink "));
+                             write(L, name);
+                             write(L, string'(": at "));
+                             write(L, now, unit => time_unit);
+                             write(L, string'(" consumed "));
+                             write(L, in_arc.token, time_unit);
+                             writeline(info_file, L);
+                           end procedure write_trace;
+
+  begin
+    file_open(info_file, info_file_name, write_mode);
+    loop
+      wait on info_detail'transaction, in_arc;
+      if info_detail'active and info_detail = summary then
+        write_summary;
+      end if;
+      if in_arc'event then
+        number_of_tokens_consumed := number_of_tokens_consumed + 1;
+        life_time := real( (now - in_arc.token.creation_time) / time_unit );
+        sum_of_life_times := sum_of_life_times + life_time;
+        sum_of_squares_of_life_times := sum_of_squares_of_life_times + life_time ** 2;
+        if info_detail = trace then
+          write_trace;
+        end if;
+      end if;
+    end loop;
+  end process token_consumer;
+
+end architecture behavior;