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#ifndef _theplu_yat_utility_averager_traits_ |
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#define _theplu_yat_utility_averager_traits_ |
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|
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// $Id$ |
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|
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/* |
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Copyright (C) 2008 Jari Häkkinen, Peter Johansson |
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This file is part of the yat library, http://dev.thep.lu.se/yat |
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|
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The yat library is free software; you can redistribute it and/or |
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modify it under the terms of the GNU General Public License as |
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published by the Free Software Foundation; either version 3 of the |
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License, or (at your option) any later version. |
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|
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The yat library is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with yat. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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|
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#include "Averager.h" |
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#include "AveragerWeighted.h" |
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#include "AveragerPair.h" |
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#include "AveragerPairWeighted.h" |
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#include "yat/utility/iterator_traits.h" |
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|
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namespace theplu { |
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namespace yat { |
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namespace statistics { |
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|
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/** |
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MetaFunction returning weighted or unweighted Averager. |
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*/ |
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template <typename T> |
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struct averager_traits{}; |
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|
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/** |
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Specialization for unweighted_tag return (unweighted) Averager |
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*/ |
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template <> |
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struct averager_traits<utility::unweighted_iterator_tag> |
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{ |
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/** |
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Metafunction returning Averager |
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*/ |
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typedef Averager type; |
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/** |
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Metafunction returning AveragerPair |
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*/ |
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typedef AveragerPair pair_type; |
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}; |
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|
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/** |
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Specialization for weighted_tag return AveragerWeighted |
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*/ |
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template <> |
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struct averager_traits<utility::weighted_iterator_tag> |
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{ |
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/** |
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Metafunction returning AveragerWeighted |
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*/ |
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typedef AveragerWeighted type; |
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/** |
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Metafunction returning AveragerPairWeighted |
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*/ |
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typedef AveragerPairWeighted pair_type; |
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}; |
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|
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/** |
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Convenience wrapper around averager_traits |
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\see weighted_iterator_traits \ |
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*/ |
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template <typename Iterator> |
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struct averager |
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{ |
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/** |
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Convenience Metafunction taking iterator as argument and return |
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either Averager (if iterator is unweighted) or AveragerWeighted |
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(if iterator is unweighted) |
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*/ |
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typedef typename averager_traits<typename utility::weighted_iterator_traits<Iterator>::type>::type type; |
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}; |
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|
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/** |
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Convenience wrapper around averager_traits |
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\see weighted_iterator_traits \ |
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*/ |
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template <typename Iterator1, typename Iterator2> |
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struct averager_pair |
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{ |
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/** |
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Convenience Metafunction taking two iterators as argument and |
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return either AveragerPair (if both iterators are unweighted) or |
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AveragerPairWeighted otherwise. |
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*/ |
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typedef typename |
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averager_traits< |
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typename utility::weighted_if_any2<Iterator1, Iterator2>::type |
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>::pair_type type; |
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}; |
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|
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}}} // of namespace statistics, yat, and theplu |
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|
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#endif |