1 // Copyright 2019 Hans Dembinski
2 //
3 // Distributed under the Boost Software License, Version 1.0.
4 // (See accompanying file LICENSE_1_0.txt
5 // or copy at http://www.boost.org/LICENSE_1_0.txt)
6 
7 #include <boost/assert.hpp>
8 #include <boost/core/lightweight_test.hpp>
9 #include <boost/histogram/accumulators.hpp>
10 #include <boost/histogram/serialization.hpp>
11 #include <boost/histogram/weight.hpp>
12 #include "throw_exception.hpp"
13 #include "utility_serialization.hpp"
14 
15 using namespace boost::histogram;
16 
main(int argc,char ** argv)17 int main(int argc, char** argv) {
18   BOOST_ASSERT(argc == 2);
19 
20   // mean v0
21   {
22     const auto filename = join(argv[1], "accumulators_serialization_test_mean_v0.xml");
23     accumulators::mean<> a;
24     load_xml(filename, a);
25     BOOST_TEST_EQ(a.count(), 3);
26     BOOST_TEST_EQ(a.value(), 2);
27     BOOST_TEST_EQ(a.variance(), 0.5);
28   }
29 
30   // mean
31   {
32     const auto filename = join(argv[1], "accumulators_serialization_test_mean.xml");
33     accumulators::mean<> a;
34     a(1);
35     a(weight(0.5), 2);
36     a(3);
37     print_xml(filename, a);
38 
39     accumulators::mean<> b;
40     BOOST_TEST_NOT(a == b);
41     load_xml(filename, b);
42     BOOST_TEST(a == b);
43   }
44 
45   // sum
46   {
47     const auto filename = join(argv[1], "accumulators_serialization_test_sum.xml");
48     accumulators::sum<> a;
49     a += 1e100;
50     a += 1;
51     print_xml(filename, a);
52 
53     accumulators::sum<> b;
54     BOOST_TEST_NOT(a == b);
55     load_xml(filename, b);
56     BOOST_TEST(a == b);
57   }
58 
59   // weighted_mean
60   {
61     const auto filename =
62         join(argv[1], "accumulators_serialization_test_weighted_mean.xml");
63     accumulators::weighted_mean<> a;
64     a(1);
65     a(weight(0.5), 2);
66     a(3);
67     print_xml(filename, a);
68 
69     accumulators::weighted_mean<> b;
70     BOOST_TEST_NOT(a == b);
71     load_xml(filename, b);
72     BOOST_TEST(a == b);
73   }
74 
75   // weighted_sum
76   {
77     const auto filename =
78         join(argv[1], "accumulators_serialization_test_weighted_sum.xml");
79     accumulators::weighted_sum<> a;
80     a += 1;
81     a += 10;
82     print_xml(filename, a);
83 
84     accumulators::weighted_sum<> b;
85     BOOST_TEST_NOT(a == b);
86     load_xml(filename, b);
87     BOOST_TEST(a == b);
88   }
89 
90   return boost::report_errors();
91 }
92