|
alpar@10
|
1 |
#include <benchmark_tools.h>
|
|
alpar@9
|
2 |
#include <lemon/circulation.h>
|
|
alpar@9
|
3 |
#include <lemon/smart_graph.h>
|
|
alpar@9
|
4 |
#include <lemon/lgf_reader.h>
|
|
alpar@9
|
5 |
#include <lemon/dimacs.h>
|
|
alpar@9
|
6 |
#include <lemon/error.h>
|
|
alpar@11
|
7 |
#include <istream>
|
|
alpar@9
|
8 |
|
|
alpar@11
|
9 |
std::string test_name = "circulation";
|
|
alpar@9
|
10 |
|
|
alpar@9
|
11 |
using namespace lemon;
|
|
alpar@9
|
12 |
|
|
alpar@11
|
13 |
int testMain(std::istream &input)
|
|
alpar@9
|
14 |
{
|
|
alpar@9
|
15 |
typedef int Value;
|
|
alpar@9
|
16 |
|
|
alpar@9
|
17 |
SmartDigraph g;
|
|
alpar@9
|
18 |
|
|
alpar@9
|
19 |
SmartDigraph::ArcMap<Value> lo_cap(g);
|
|
alpar@9
|
20 |
SmartDigraph::ArcMap<Value> up_cap(g);
|
|
alpar@9
|
21 |
SmartDigraph::ArcMap<Value> cost(g);
|
|
alpar@9
|
22 |
SmartDigraph::NodeMap<Value> sup(g);
|
|
alpar@9
|
23 |
|
|
alpar@9
|
24 |
Timer ti;
|
|
alpar@9
|
25 |
try {
|
|
alpar@9
|
26 |
readDimacsMin(input, g, lo_cap, up_cap, cost, sup);
|
|
alpar@9
|
27 |
} catch (FormatError& error) {
|
|
alpar@9
|
28 |
std::cerr << error.what() << std::endl;
|
|
alpar@9
|
29 |
return 1;
|
|
alpar@9
|
30 |
}
|
|
alpar@11
|
31 |
logTime("fread",ti);
|
|
alpar@10
|
32 |
|
|
alpar@10
|
33 |
Timer tf;
|
|
alpar@9
|
34 |
ti.restart();
|
|
alpar@9
|
35 |
Circulation<SmartDigraph,
|
|
alpar@9
|
36 |
SmartDigraph::ArcMap<Value>,SmartDigraph::ArcMap<Value>,
|
|
alpar@9
|
37 |
SmartDigraph::NodeMap<Value> > circ(g,lo_cap,up_cap,sup);
|
|
alpar@10
|
38 |
logTime("setup",ti);
|
|
alpar@9
|
39 |
ti.restart();
|
|
alpar@9
|
40 |
bool res = circ.run();
|
|
alpar@10
|
41 |
logTime("alg",ti);
|
|
alpar@10
|
42 |
logTime("full",tf);
|
|
alpar@9
|
43 |
if(res)
|
|
alpar@9
|
44 |
{
|
|
alpar@10
|
45 |
std::cerr << "A feasible circulation is found\n";
|
|
alpar@10
|
46 |
std::cerr << "Checking...\n";
|
|
alpar@9
|
47 |
ti.restart();
|
|
alpar@9
|
48 |
bool res2 = circ.checkFlow();
|
|
alpar@10
|
49 |
logTime("check",ti);
|
|
alpar@9
|
50 |
if(res2)
|
|
alpar@10
|
51 |
std::cerr << "Success!\n";
|
|
alpar@9
|
52 |
else
|
|
alpar@10
|
53 |
std::cerr << "Oops!!!!\n";
|
|
alpar@9
|
54 |
}
|
|
alpar@9
|
55 |
else
|
|
alpar@9
|
56 |
{
|
|
alpar@10
|
57 |
std::cerr << "A dual solution is found\n";
|
|
alpar@10
|
58 |
std::cerr << "Checking...\n";
|
|
alpar@9
|
59 |
ti.restart();
|
|
alpar@9
|
60 |
bool res2 = circ.checkBarrier();
|
|
alpar@10
|
61 |
logTime("check",ti);
|
|
alpar@9
|
62 |
if(res2)
|
|
alpar@10
|
63 |
std::cerr << "Success!\n";
|
|
alpar@9
|
64 |
else
|
|
alpar@10
|
65 |
std::cerr << "Dual-Oops!!!!\n";
|
|
alpar@9
|
66 |
|
|
alpar@9
|
67 |
}
|
|
alpar@9
|
68 |
}
|
|
alpar@9
|
69 |
|