blv.cpp revision 12855:588919e0e4aa 
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10    http://www.apache.org/licenses/LICENSE-2.0
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20/*****************************************************************************
21
22  blv.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.
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33      Name, Affiliation, Date:
34  Description of Modification:
35
36 *****************************************************************************/
37
38//----------------------------------------------------------
39// test the basic functionality of sc_bv<> and sc_lv<>
40//----------------------------------------------------------
41#include "systemc.h"
42#include <time.h>
43#include "isaac.h"
44
45QTIsaac<8> rng;
46
47template<class T>
48void compare(int W)
49{ // functionality verification
50  sc_bv_base x(W);
51  T st;
52  // initialize
53  for(int i=0; i<W; i++)
54  {
55    bool la = (rng.rand()&1) == 0;
56    x[i] = la;
57    st[i] = la;
58  }
59  if(st.to_string()!=x.to_string())
60    cout<<"\nERROR: x= "<<x<<" st= "<<st<<"\n"<<
61    "st="<<st<<"\nx="<<x<< endl;
62  if( (int) st.xor_reduce()!= x.xor_reduce())
63    cout<<"\nERROR: st.xor_reduce="<<(short)st.xor_reduce()<<"; x.xor_reduce="<<
64    (short)x.xor_reduce()<<"\n"<<
65    "st="<<st<<"\nx="<<x<< endl;
66  if( (int) x.or_reduce()!=st.or_reduce())
67     cout<<"\nERROR: st.or_reduce="<<(short)st.or_reduce()<<
68     "; x.or_reduce="<<(short)x.or_reduce()<<"\n"<<
69    "st="<<st<<"\nx="<<x<< endl;
70  if( (int) x.and_reduce()!=st.and_reduce())
71    cout<<"\nERROR: st.and_reduce="<<(short)st.and_reduce()<<
72    "; x.and_reduce="<<(short)x.and_reduce()<<"\n"<<
73    "st="<<st<<"\nx="<<x<< endl;
74
75  if((st,st).to_string()!=(x,x).to_string())
76    cout<<"\nERROR: st,st="<<(st,st)<<
77    "; x,x="<<(x,x)<<"\n"<<
78    "st="<<st<<"\nx="<<x<< endl;
79  int first = (int) ( (double) W * ((double)rng.rand() / (double)0x7fffffff));
80  int second = (int) ( (double) W * ((double)rng.rand() / (double)0x7fffffff));
81  if(st.range(first,second).to_string()!=x.range(first,second).to_string())
82    cout<<"st.range("<<first<<","<<second<<")="<<st.range(first,second)<<
83    "; x.range("<<first<<","<<second<<")="<<x.range(first,second)<<"\n"<<
84    "st="<<st<<"\nx="<<x<< endl;
85
86  sc_bv_base bv(2*W);
87  sc_bv_base xv(2*W);
88  bv = (st,st);
89  xv = (x,x);
90  if(bv.to_string()!=xv.to_string())
91    cout<<"\nERROR: bv(st,st)="<<bv<<"; xv(x,x)="<<xv<<"\n"<<
92    "st="<<st<<"\nx="<<x<< endl;
93  int Len=0;
94  if(first>second)
95    Len = first-second;
96  else
97    Len = second-first;
98  sc_bv_base br(Len+1);
99  sc_bv_base xr(Len+1);
100  br = st.range(first,second);
101  xr = x.range(first,second);
102  if(br.to_string()!=xr.to_string())
103  {
104    cout<<"\nERROR: br("<<first<<","<<second<<")!= xr("<<first<<","<<second
105        <<")" << endl;
106    br = st.range(first,second);
107    xr = x.range(first,second);
108    cout<<"br="<<br.to_string()<<"  xr="<<xr.to_string()<<
109    "st.range="<<st.range(first,second)<<"  x.range="<<x.range(first,second)<<
110    "st="<<st<<"\nx="<<x<< endl;
111  }
112
113  // verify assignments
114  long ra = rng.rand();
115  x  = ra;
116  st = ra;
117  if(st.to_string()!=x.to_string())
118    cout<<"\nERROR (assignment): x= "<<x<<" st= "<<st<<" original long="<<ra
119        << endl;
120}
121
122int sc_main(int, char**)
123{
124  const int N = 2000;
125  int Seed = rng.rand();
126  cout<<"\nverifying sc_bv<"<<N<<">" << endl;
127  try{
128    for(int i=0; i<1000; i++)
129      compare<sc_bv<N> >(N);
130  }
131  catch(...)
132  {
133    cout<<"Test failed due to exception in sc_bv. Seed = "<<Seed<< endl;
134    throw;
135  }
136  try{
137    cout<<"\nverifying sc_lv<"<<N<<">" << endl;
138    for(int i=0; i<1000; i++)
139      compare<sc_lv<N> >(N);
140  }
141  catch(...)
142  {
143    cout<<"Test failed due to exception in sc_lv. Seed = "<<Seed<< endl;
144    throw;
145  }
146
147  return 0;
148}
149