FM / accumulators

/usr/include/boost/histogram/accumulators/

/usr/include/boost/histogram/accumulators

Name	Size	Mode	Actions
count.hpp	3809	0644	edit dl rm
mean.hpp	4107	0644	edit dl rm
ostream.hpp	3624	0644	edit dl rm
sum.hpp	4865	0644	edit dl rm
thread_safe.hpp	2231	0644	edit dl rm
weighted_mean.hpp	4878	0644	edit dl rm
weighted_sum.hpp	3596	0644	edit dl rm

Edit: /usr/include/boost/histogram/accumulators/ostream.hpp (3624B)

// Copyright 2015-2017 Hans Dembinski
//
// Distributed under 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)

#ifndef BOOST_HISTOGRAM_ACCUMULATORS_OSTREAM_HPP
#define BOOST_HISTOGRAM_ACCUMULATORS_OSTREAM_HPP

#include <boost/histogram/detail/counting_streambuf.hpp>
#include <boost/histogram/fwd.hpp>
#include <ios>

/**
  \file boost/histogram/accumulators/ostream.hpp
  Simple streaming operators for the builtin accumulator types.

The text representation is not guaranteed to be stable between versions of
  Boost.Histogram. This header is only included by
  [boost/histogram/ostream.hpp](histogram/reference.html#header.boost.histogram.ostream_hpp).
  To use your own, include your own implementation instead of this header and do not
  include
  [boost/histogram/ostream.hpp](histogram/reference.html#header.boost.histogram.ostream_hpp).
 */

#ifndef BOOST_HISTOGRAM_DOXYGEN_INVOKED

namespace boost {
namespace histogram {

namespace detail {

template <class CharT, class Traits, class T>
std::basic_ostream<CharT, Traits>& handle_nonzero_width(
 std::basic_ostream<CharT, Traits>& os, const T& x) {
 const auto w = os.width();
 os.width(0);
 std::streamsize count = 0;
 {
 auto g = make_count_guard(os, count);
 os << x;
 }
 if (os.flags() & std::ios::left) {
 os << x;
 for (auto i = count; i < w; ++i) os << os.fill();
 } else {
 for (auto i = count; i < w; ++i) os << os.fill();
 os << x;
 }
 return os;
}

} // namespace detail

namespace accumulators {

template <class CharT, class Traits, class U>
std::basic_ostream<CharT, Traits>& operator<<(std::basic_ostream<CharT, Traits>& os,
 const count& x) {
 return os << x.value();
}

template <class CharT, class Traits, class U>
std::basic_ostream<CharT, Traits>& operator<<(std::basic_ostream<CharT, Traits>& os,
 const sum& x) {
 if (os.width() == 0) return os << "sum(" << x.large() << " + " << x.small() << ")";
 return detail::handle_nonzero_width(os, x);
}

template <class CharT, class Traits, class U>
std::basic_ostream<CharT, Traits>& operator<<(std::basic_ostream<CharT, Traits>& os,
 const weighted_sum& x) {
 if (os.width() == 0)
 return os << "weighted_sum(" << x.value() << ", " << x.variance() << ")";
 return detail::handle_nonzero_width(os, x);
}

template <class CharT, class Traits, class U>
std::basic_ostream<CharT, Traits>& operator<<(std::basic_ostream<CharT, Traits>& os,
 const mean& x) {
 if (os.width() == 0)
 return os << "mean(" << x.count() << ", " << x.value() << ", " << x.variance() << ")";
 return detail::handle_nonzero_width(os, x);
}

template <class CharT, class Traits, class U>
std::basic_ostream<CharT, Traits>& operator<<(std::basic_ostream<CharT, Traits>& os,
 const weighted_mean& x) {
 if (os.width() == 0)
 return os << "weighted_mean(" << x.sum_of_weights() << ", " << x.value() << ", "
 << x.variance() << ")";
 return detail::handle_nonzero_width(os, x);
}

template <class CharT, class Traits, class T>
std::basic_ostream<CharT, Traits>& operator<<(std::basic_ostream<CharT, Traits>& os,
 const thread_safe<T>& x) {
 os << x.load();
 return os;
}
} // namespace accumulators
} // namespace histogram
} // namespace boost

#endif // BOOST_HISTOGRAM_DOXYGEN_INVOKED

#endif

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