1/*****************************************************************************
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3  Licensed to Accellera Systems Initiative Inc. (Accellera) under one or
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6  Accellera licenses this file to you under the Apache License, Version 2.0
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10    http://www.apache.org/licenses/LICENSE-2.0
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12  Unless required by applicable law or agreed to in writing, software
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19
20/*****************************************************************************
21
22  test.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/*
39I found this while trying to improve coverage of the SystemC regression tests.
40
41Compile the following program, bug.cpp, with
42
43g++ -g -I /u/scp/src/systemc-2.0/include bug.cpp /u/scp/src/systemc-2.0/lib-gccsparcOS5/libsystemc.a
44(in mountain view, elsewhere use SYSTEMC_HOME pointing to the 2.0 release)
45
46-------------------------------------------------------------------------------
47*/
48
49#define SC_INCLUDE_FX 1
50#include "systemc.h"
51
52double bug()
53{
54    sc_fxval_fast fast(2);
55    sc_fxval slow(1);
56    fast  = slow;
57    fast += slow;
58    fast -= slow;
59    fast *= slow;
60    fast /= slow;
61    return fast.to_double();
62}
63
64int sc_main(int, char*[])
65{
66    cout << bug() << endl;
67    return 0;
68}
69
70/*
71-------------------------------------------------------------------------------
72It fails to link, giving the message
73
74Undefined                       first referenced
75 symbol                             in file
76sc_fxval_fast::operator+=(sc_fxval const &)      /var/tmp/ccNbIiHN.o
77sc_fxval_fast::operator-=(sc_fxval const &)       /var/tmp/cclXNLsO.o
78sc_fxval_fast::operator/=(sc_fxval const &)      /var/tmp/cclXNLsO.o
79sc_fxval_fast::operator*=(sc_fxval const &)       /var/tmp/cclXNLsO.o
80*/
81
82