Server : Apache System : Linux dedi-14684855.grupobig.com 5.14.0-611.49.1.el9_7.x86_64 #1 SMP PREEMPT_DYNAMIC Tue Apr 21 16:39:08 EDT 2026 x86_64 User : grupo692 ( 1004) PHP Version : 8.3.32 Disable Function : NONE Directory :  /usr/include/boost/histogram/algorithm/

Upload File : current_dir [ Writeable ] document_root [ Writeable ]

// 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