graph_distance_sampled.cc 2.18 KB
Newer Older
1
2
// graph-tool -- a general graph modification and manipulation thingy
//
Tiago Peixoto's avatar
Tiago Peixoto committed
3
// Copyright (C) 2007-2012 Tiago de Paula Peixoto <tiago@skewed.de>
4
5
6
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
Tiago Peixoto's avatar
Tiago Peixoto committed
7
// as published by the Free Software Foundation; either version 3
8
9
10
11
12
13
14
15
// of the License, or (at your option) any later version.
//
// This program 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
16
17
// along with this program. If not, see <http://www.gnu.org/licenses/>.

18
#include "graph_filtering.hh"
19
20
21
22
#include "graph.hh"
#include "graph_selectors.hh"
#include "graph_properties.hh"

23
24
#include "graph_distance_sampled.hh"

25
#include "random.hh"
26

27
28
29
30
using namespace std;
using namespace boost;
using namespace graph_tool;

31
32
33
34
typedef Histogram<size_t, size_t, 1> hist_t;

python::object sampled_distance_histogram(GraphInterface& gi, boost::any weight,
                                          const vector<long double>& bins,
35
                                          size_t n_samples, rng_t& rng)
36
{
37
    python::object ret;
38

39
    if (weight.empty())
40
    {
41
        run_action<>()(gi,
42
43
44
45
                       boost::bind<void>(get_sampled_distance_histogram(), _1,
                                         gi.GetVertexIndex(), no_weightS(),
                                         n_samples, boost::ref(bins),
                                         boost::ref(ret), boost::ref(rng)))();
46
47
48
    }
    else
    {
49
        run_action<>()(gi,
50
51
52
53
                       boost::bind<void>(get_sampled_distance_histogram(), _1,
                                         gi.GetVertexIndex(), _2, n_samples,
                                         boost::ref(bins), boost::ref(ret),
                                         boost::ref(rng)),
54
                           edge_scalar_properties())(weight);
55
    }
56
57
58
59
60
61
    return ret;
}

void export_sampled_distance()
{
    python::def("sampled_distance_histogram", &sampled_distance_histogram);
62
}