ceph/src/boost/libs/accumulators/test/error_of.cpp

   1 //  (C) Copyright Eric Niebler 2005.
   2 //  Use, modification and distribution are subject to the
   3 //  Boost Software License, Version 1.0. (See accompanying file
   4 //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   5
   6 #include <boost/test/unit_test.hpp>
   7 #include <boost/test/floating_point_comparison.hpp>
   8 #include <boost/accumulators/accumulators.hpp>
   9 #include <boost/accumulators/statistics/stats.hpp>
  10 #include <boost/accumulators/statistics/with_error.hpp>
  11 #include <boost/accumulators/statistics/error_of_mean.hpp>
  12
  13 using namespace boost;
  14 using namespace unit_test;
  15 using namespace accumulators;
  16
  17 ///////////////////////////////////////////////////////////////////////////////
  18 // test_stat
  19 //
  20 void test_stat()
  21 {
  22     accumulator_set<double, stats<tag::error_of<tag::mean(lazy)> > > acc;
  23     acc(1.1);
  24     acc(1.2);
  25     acc(1.3);
  26     BOOST_CHECK_CLOSE(0.057735, accumulators::error_of<tag::mean(lazy)>(acc), 1e-4);
  27
  28     accumulator_set<double, stats<tag::error_of<tag::mean(immediate)> > > acc2;
  29     acc2(1.1);
  30     acc2(1.2);
  31     acc2(1.3);
  32     BOOST_CHECK_CLOSE(0.057735, accumulators::error_of<tag::mean(immediate)>(acc2), 1e-4);
  33
  34     accumulator_set<double, stats<with_error<tag::mean(lazy)> > > acc3;
  35     acc3(1.1);
  36     acc3(1.2);
  37     acc3(1.3);
  38     BOOST_CHECK_CLOSE(0.057735, accumulators::error_of<tag::mean(lazy)>(acc3), 1e-4);
  39
  40     accumulator_set<double, stats<with_error<tag::mean(immediate)> > > acc4;
  41     acc4(1.1);
  42     acc4(1.2);
  43     acc4(1.3);
  44     BOOST_CHECK_CLOSE(0.057735, accumulators::error_of<tag::mean(immediate)>(acc4), 1e-4);
  45 }
  46
  47 ///////////////////////////////////////////////////////////////////////////////
  48 // init_unit_test_suite
  49 //
  50 test_suite* init_unit_test_suite( int argc, char* argv[] )
  51 {
  52     test_suite *test = BOOST_TEST_SUITE("mean test");
  53
  54     test->add(BOOST_TEST_CASE(&test_stat));
  55
  56     return test;
  57 }