utils/math/histogram/operators.hpp

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#ifndef GENESIS_UTILS_MATH_HISTOGRAM_OPERATORS_H_
#define GENESIS_UTILS_MATH_HISTOGRAM_OPERATORS_H_

/*
    Genesis - A toolkit for working with phylogenetic data.
    Copyright (C) 2014-2017 Lucas Czech

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.

    Contact:
    Lucas Czech <lucas.czech@h-its.org>
    Exelixis Lab, Heidelberg Institute for Theoretical Studies
    Schloss-Wolfsbrunnenweg 35, D-69118 Heidelberg, Germany
*/

#include <iosfwd>

namespace genesis {
namespace utils {

// =================================================================================================
//     Forward Declarations
// =================================================================================================

class Histogram;
class HistogramAccumulator;

// =================================================================================================
//     Histogram Operators
// =================================================================================================

std::ostream& operator<< (std::ostream& os, const Histogram& h);

// =================================================================================================
//     Histogram Accumulator Operators
// =================================================================================================

std::ostream& operator<< (std::ostream& os, const HistogramAccumulator& h);

} // namespace utils
} // namespace genesis

#endif // include guard