FM / algorithm

/usr/include/boost/histogram/algorithm

Name	Size	Mode	Actions
empty.hpp	1050	0644	edit dl rm
project.hpp	3672	0644	edit dl rm
reduce.hpp	17528	0644	edit dl rm
sum.hpp	2290	0644	edit dl rm

Edit: /usr/include/boost/histogram/algorithm/empty.hpp (1050B)

// Copyright 2019 Henry Schreiner
//
// 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_ALGORITHM_EMPTY_HPP
#define BOOST_HISTOGRAM_ALGORITHM_EMPTY_HPP

#include <boost/histogram/fwd.hpp>
#include <boost/histogram/indexed.hpp>

namespace boost {
namespace histogram {
namespace algorithm {
/** Check to see if all histogram cells are empty. Use coverage to include or
  exclude the underflow/overflow bins.

This algorithm has O(N) complexity, where N is the number of cells.

Returns true if all cells are empty, and false otherwise.
 */
template <class A, class S>
auto empty(const histogram<A, S>& h, coverage cov) {
  using value_type = typename histogram<A, S>::value_type;
  const value_type default_value = value_type();
  for (auto&& ind : indexed(h, cov)) {
    if (*ind != default_value) { return false; }
  }
  return true;
}
} // namespace algorithm
} // namespace histogram
} // namespace boost

#endif

// Copyright 2019 Henry Schreiner // // 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_ALGORITHM_EMPTY_HPP #define BOOST_HISTOGRAM_ALGORITHM_EMPTY_HPP #include #include namespace boost { namespace histogram { namespace algorithm { /** Check to see if all histogram cells are empty. Use coverage to include or exclude the underflow/overflow bins. This algorithm has O(N) complexity, where N is the number of cells. Returns true if all cells are empty, and false otherwise. */ template auto empty(const histogram& h, coverage cov) { using value_type = typename histogram::value_type; const value_type default_value = value_type(); for (auto&& ind : indexed(h, cov)) { if (*ind != default_value) { return false; } } return true; } } // namespace algorithm } // namespace histogram } // namespace boost #endif