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10c19df918
* Added fraction accumulator * Added binomial proportion interval computers: Wald, Wilson Score, Clopper Pearson, Jeffreys * Width of intervals for all classes can be set via deviation or confidence_level * Support valarray in histogram::fill * Add fraction and count to user guide Co-authored-by: Hans Dembinski <hans.dembinski@gmail.com> Co-authored-by: Hans Dembinski <HDembinski@users.noreply.github.com>
71 lines
1.8 KiB
C++
71 lines
1.8 KiB
C++
// Copyright 2015-2018 Hans Dembinski
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt
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// or copy at http://www.boost.org/LICENSE_1_0.txt)
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#include <boost/core/lightweight_test.hpp>
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#include <boost/histogram/accumulators/ostream.hpp>
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#include <boost/histogram/accumulators/sum.hpp>
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#include "str.hpp"
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#include "throw_exception.hpp"
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using namespace boost::histogram;
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using namespace std::literals;
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int main() {
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double bad_sum = 0;
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bad_sum += 1;
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bad_sum += 1e100;
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bad_sum += 1;
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bad_sum += -1e100;
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BOOST_TEST_EQ(bad_sum, 0); // instead of 2
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using s_t = accumulators::sum<double>;
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s_t sum;
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++sum;
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BOOST_TEST_EQ(sum, 1);
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BOOST_TEST_EQ(sum.value(), 1);
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BOOST_TEST_EQ(sum.large_part(), 1);
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BOOST_TEST_EQ(sum.small_part(), 0);
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BOOST_TEST_EQ(str(sum), "sum(1 + 0)"s);
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BOOST_TEST_EQ(str(sum, 15, false), " sum(1 + 0)"s);
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BOOST_TEST_EQ(str(sum, 15, true), "sum(1 + 0) "s);
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sum += 1e100;
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BOOST_TEST_EQ(sum, (s_t{1e100, 1}));
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++sum;
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BOOST_TEST_EQ(sum, (s_t{1e100, 2}));
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sum += -1e100;
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BOOST_TEST_EQ(sum, (s_t{0, 2}));
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BOOST_TEST_EQ(sum, 2); // correct answer
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BOOST_TEST_EQ(sum.value(), 2);
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BOOST_TEST_EQ(sum.large_part(), 0);
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BOOST_TEST_EQ(sum.small_part(), 2);
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sum = s_t{1e100, 1};
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sum += s_t{1e100, 1};
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BOOST_TEST_EQ(sum, (s_t{2e100, 2}));
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sum = s_t{1e100, 1};
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sum += s_t{1, 0};
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BOOST_TEST_EQ(sum, (s_t{1e100, 2}));
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sum = s_t{1, 0};
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sum += s_t{1e100, 1};
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BOOST_TEST_EQ(sum, (s_t{1e100, 2}));
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sum = s_t{0, 1};
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sum += s_t{1, 0};
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BOOST_TEST_EQ(sum, (s_t{1, 1}));
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accumulators::sum<double> a{3}, b{2}, c{3};
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BOOST_TEST_LT(b, c);
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BOOST_TEST_LE(b, c);
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BOOST_TEST_LE(a, c);
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BOOST_TEST_GT(a, b);
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BOOST_TEST_GE(a, b);
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BOOST_TEST_GE(a, c);
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BOOST_TEST_EQ(s_t{} += s_t{}, s_t{});
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return boost::report_errors();
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}
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