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1 | /* -*- C++ -*- |
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2 | * |
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3 | * This file is a part of LEMON, a generic C++ optimization library |
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4 | * |
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5 | * Copyright (C) 2003-2006 |
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6 | * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
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7 | * (Egervary Research Group on Combinatorial Optimization, EGRES). |
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8 | * |
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9 | * Permission to use, modify and distribute this software is granted |
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10 | * provided that this copyright notice appears in all copies. For |
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11 | * precise terms see the accompanying LICENSE file. |
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12 | * |
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13 | * This software is provided "AS IS" with no warranty of any kind, |
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14 | * express or implied, and with no claim as to its suitability for any |
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15 | * purpose. |
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16 | * |
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17 | */ |
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18 | |
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19 | ///\ingroup demos |
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20 | ///\file maps_summary demo program |
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21 | ///\brief Introduction to LEMON maps |
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22 | /// |
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23 | /// \include maps_summary.cc |
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24 | |
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25 | #include <iostream> |
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26 | #include <lemon/list_graph.h> |
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27 | |
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28 | using namespace lemon; |
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29 | |
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30 | |
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31 | template < typename GRAPH, typename MAP > |
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32 | typename MAP::Value summary( GRAPH& gr, MAP& m ) |
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33 | { |
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34 | typename MAP::Value summ = typename MAP::Value(); |
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35 | |
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36 | for( typename GRAPH::NodeIt n(gr); n != lemon::INVALID; ++n ) |
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37 | summ += m[n]; |
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38 | |
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39 | return summ; |
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40 | } |
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41 | |
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42 | |
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43 | int main() |
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44 | { |
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45 | ListGraph gr; |
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46 | ListGraph::NodeMap<double> value(gr, 0.0); |
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47 | |
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48 | //TODO: build a graph |
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49 | |
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50 | std::cout << "The summary of assigned values is " << summary(gr,value) << std::endl; |
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51 | |
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52 | return 0; |
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53 | } |
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