mean.cpp revision 12855:588919e0e4aa 
1/*****************************************************************************
2
3  Licensed to Accellera Systems Initiative Inc. (Accellera) under one or
4  more contributor license agreements.  See the NOTICE file distributed
5  with this work for additional information regarding copyright ownership.
6  Accellera licenses this file to you under the Apache License, Version 2.0
7  (the "License"); you may not use this file except in compliance with the
8  License.  You may obtain a copy of the License at
9
10    http://www.apache.org/licenses/LICENSE-2.0
11
12  Unless required by applicable law or agreed to in writing, software
13  distributed under the License is distributed on an "AS IS" BASIS,
14  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
15  implied.  See the License for the specific language governing
16  permissions and limitations under the License.
17
18 *****************************************************************************/
19
20/*****************************************************************************
21
22  mean.cpp --
23
24  Original Author: Martin Janssen, Synopsys, Inc., 2002-02-15
25
26 *****************************************************************************/
27
28/*****************************************************************************
29
30  MODIFICATION LOG - modifiers, enter your name, affiliation, date and
31  changes you are making here.
32
33      Name, Affiliation, Date:
34  Description of Modification:
35
36 *****************************************************************************/
37
38/* Filename mean.cc */
39/* This is the implementation file for synchronous process `mean' */
40
41#include "mean.h"
42
43void calculate_geometric_mean(const sc_signed& a, const sc_signed& b,
44			      const sc_signed& c, const sc_signed& d,
45			      sc_signed& mean){}
46
47void calculate_harmonic_mean(const sc_signed& a, const sc_signed& b,
48			      const sc_signed& c, const sc_signed& d,
49			      sc_signed& mean){}
50
51void mean::entry()
52{
53  sc_signed i(24);  // Will hold input a
54  sc_signed j(24);  // Will hold input b
55  sc_signed k(24);  // Will hold input c
56  sc_signed l(24);  // Will hold input d
57
58  sc_signed arith(24);    // Arithmetic mean
59  sc_signed geom(24);     // Geometric mean
60  sc_signed harmonic(24); // Harmonic mean
61
62  while (true) {
63    // read all inputs
64    send_input.write(true);
65    do { wait(); } while (data_available != true);
66    i = in.read().to_int();
67    wait();
68    j = in.read().to_int();
69    wait();
70    k = in.read().to_int();
71    wait();
72    l = in.read().to_int();
73    send_input.write(false);
74
75    // Calculate arithmetic mean
76    arith = (i + j + k + l) / 4;
77    // Calculate geometric mean
78    calculate_geometric_mean(i, j, k, l, geom);
79    // Calculate harmonic mean
80    calculate_harmonic_mean(i, j, k, l, harmonic);
81
82    // write all outputs
83    do { wait(); } while (receiver_ready != true);
84    data_ready.write(true);
85    wait();
86    out.write(arith);
87    wait();
88    out.write(geom);
89    wait();
90    out.write(harmonic);
91    wait();
92    data_ready.write(false);
93  }
94} // end of entry function
95
96// Just to make the compiler shut up
97
98int sc_main(int ac, char *av[])
99{
100   return 0;
101}
102