ff9432f97b
* Add, and update, documentation build targets. * adding serialization to stats * serialize rolling stats
80 lines
2.2 KiB
C++
80 lines
2.2 KiB
C++
// (C) Copyright Eric Niebler 2005.
|
|
// Use, modification and distribution are subject to the
|
|
// Boost Software License, Version 1.0. (See accompanying file
|
|
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
|
|
|
|
#include <boost/test/unit_test.hpp>
|
|
#include <boost/test/floating_point_comparison.hpp>
|
|
#include <boost/accumulators/accumulators.hpp>
|
|
#include <boost/accumulators/statistics/stats.hpp>
|
|
#include <boost/accumulators/statistics/moment.hpp>
|
|
#include <sstream>
|
|
#include <boost/archive/text_oarchive.hpp>
|
|
#include <boost/archive/text_iarchive.hpp>
|
|
|
|
using namespace boost;
|
|
using namespace unit_test;
|
|
using namespace accumulators;
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// test_stat
|
|
//
|
|
void test_stat()
|
|
{
|
|
accumulator_set<int, stats<tag::moment<2> > > acc1;
|
|
|
|
acc1(2); // 4
|
|
acc1(4); // 16
|
|
acc1(5); // + 25
|
|
// = 45 / 3 = 15
|
|
|
|
BOOST_CHECK_CLOSE(15., accumulators::moment<2>(acc1), 1e-5);
|
|
|
|
accumulator_set<int, stats<tag::moment<5> > > acc2;
|
|
|
|
acc2(2); // 32
|
|
acc2(3); // 243
|
|
acc2(4); // 1024
|
|
acc2(5); // + 3125
|
|
// = 4424 / 4 = 1106
|
|
|
|
BOOST_CHECK_CLOSE(1106., accumulators::moment<5>(acc2), 1e-5);
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// test_persistency
|
|
//
|
|
void test_persistency()
|
|
{
|
|
double epsilon = 1e-5;
|
|
std::stringstream ss;
|
|
{
|
|
accumulator_set<int, stats<tag::moment<2> > > acc;
|
|
acc(2); // 4
|
|
acc(4); // 16
|
|
acc(5); // + 25
|
|
// = 45 / 3 = 15
|
|
BOOST_CHECK_CLOSE(15., accumulators::moment<2>(acc), epsilon);
|
|
boost::archive::text_oarchive oa(ss);
|
|
acc.serialize(oa, 0);
|
|
}
|
|
accumulator_set<int, stats<tag::moment<2> > > acc;
|
|
boost::archive::text_iarchive ia(ss);
|
|
acc.serialize(ia, 0);
|
|
BOOST_CHECK_CLOSE(15., accumulators::moment<2>(acc), epsilon);
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// init_unit_test_suite
|
|
//
|
|
test_suite* init_unit_test_suite( int argc, char* argv[] )
|
|
{
|
|
test_suite *test = BOOST_TEST_SUITE("moment test");
|
|
|
|
test->add(BOOST_TEST_CASE(&test_stat));
|
|
test->add(BOOST_TEST_CASE(&test_persistency));
|
|
|
|
return test;
|
|
}
|
|
|