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alpar (Alpar Juttner)
alpar@cs.elte.hu
Merge #382 to branch 1.0
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merge 1.0
1 file changed with 204 insertions and 7 deletions:
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/* -*- mode: C++; indent-tabs-mode: nil; -*-
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 *
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 * This file is a part of LEMON, a generic C++ optimization library.
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 *
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 * Copyright (C) 2003-2011
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 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
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 * (Egervary Research Group on Combinatorial Optimization, EGRES).
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 *
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 * Permission to use, modify and distribute this software is granted
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 * provided that this copyright notice appears in all copies. For
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 * precise terms see the accompanying LICENSE file.
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 *
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 * This software is provided "AS IS" with no warranty of any kind,
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 * express or implied, and with no claim as to its suitability for any
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 * purpose.
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 *
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 */
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#include <lemon/list_graph.h>
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#include <lemon/lgf_reader.h>
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#include "test_tools.h"
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using namespace lemon;
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char test_lgf[] =
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  "@nodes\n"
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  "label\n"
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  "0\n"
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  "1\n"
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  "@arcs\n"
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  "     label\n"
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  "0 1  0\n"
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  "1 0  1\n"
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  "@attributes\n"
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  "source 0\n"
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  "target 1\n";
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char test_lgf_nomap[] =
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  "@nodes\n"
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  "label\n"
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  "0\n"
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  "1\n"
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  "@arcs\n"
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  "     -\n"
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  "0 1\n";
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char test_lgf_bad1[] =
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  "@nodes\n"
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  "label\n"
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  "0\n"
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  "1\n"
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  "@arcs\n"
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  "     - another\n"
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  "0 1\n";
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char test_lgf_bad2[] =
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  "@nodes\n"
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  "label\n"
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  "0\n"
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  "1\n"
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  "@arcs\n"
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  "     label -\n"
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  "0 1\n";
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int main() 
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{
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  {
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    ListDigraph d; 
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    ListDigraph::Node s,t;
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    ListDigraph::ArcMap<int> label(d);
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    std::istringstream input(test_lgf);
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    digraphReader(d, input).
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      node("source", s).
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      node("target", t).
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      arcMap("label", label).
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      run();
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    check(countNodes(d) == 2,"There should be 2 nodes");
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    check(countArcs(d) == 2,"There should be 2 arcs");
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  }
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  {
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    ListGraph g;
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    ListGraph::Node s,t;
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    ListGraph::EdgeMap<int> label(g);
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    std::istringstream input(test_lgf);
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    graphReader(g, input).
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      node("source", s).
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      node("target", t).
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      edgeMap("label", label).
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      run();
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    check(countNodes(g) == 2,"There should be 2 nodes");
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    check(countEdges(g) == 2,"There should be 2 arcs");
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  }
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  {
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    ListDigraph d; 
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    std::istringstream input(test_lgf_nomap);
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    digraphReader(d, input).
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      run();
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    check(countNodes(d) == 2,"There should be 2 nodes");
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    check(countArcs(d) == 1,"There should be 1 arc");
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  }
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  {
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    ListGraph g;
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    std::istringstream input(test_lgf_nomap);
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    graphReader(g, input).
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      run();
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    check(countNodes(g) == 2,"There should be 2 nodes");
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    check(countEdges(g) == 1,"There should be 1 edge");
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  }
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  {
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    ListDigraph d; 
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    std::istringstream input(test_lgf_bad1);
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    bool ok=false;
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    try {
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      digraphReader(d, input).
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        run();
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    }
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    catch (FormatError& error) 
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      {
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        ok = true;
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      }
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    check(ok,"FormatError exception should have occured");
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  }
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  {
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    ListGraph g;
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    std::istringstream input(test_lgf_bad1);
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    bool ok=false;
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    try {
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      graphReader(g, input).
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        run();
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    }
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    catch (FormatError& error)
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      {
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        ok = true;
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      }
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    check(ok,"FormatError exception should have occured");
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  }
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  {
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    ListDigraph d; 
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    std::istringstream input(test_lgf_bad2);
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    bool ok=false;
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    try {
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      digraphReader(d, input).
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        run();
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    }
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    catch (FormatError& error)
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      {
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        ok = true;
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      }
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    check(ok,"FormatError exception should have occured");
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  }
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  {
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    ListGraph g;
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    std::istringstream input(test_lgf_bad2);
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    bool ok=false;
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    try {
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      graphReader(g, input).
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        run();
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    }
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    catch (FormatError& error)
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      {
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        ok = true;
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      }
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    check(ok,"FormatError exception should have occured");
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  }
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}
Show white space 8 line context
... ...
@@ -62,13 +62,13 @@
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 2      (80,80)      8       "Second node"
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 3      (40,10)      10      "Third node"
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\endcode
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The \c \@arcs section is very similar to the \c \@nodes section,
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it again starts with a header line describing the names of the maps,
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but the \c "label" map is not obligatory here. The following lines
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describe the arcs. The first two tokens of each line are
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the source and the target node of the arc, respectively, then come the map
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The \c \@arcs section is very similar to the \c \@nodes section, it
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again starts with a header line describing the names of the maps, but
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the \c "label" map is not obligatory here. The following lines
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describe the arcs. The first two tokens of each line are the source
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and the target node of the arc, respectively, then come the map
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values. The source and target tokens must be node labels.
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\code
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 @arcs
... ...
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 1   3   12
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 2   3   18
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\endcode
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If there is no map in the \c \@arcs section at all, then it must be
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indicated by a sole '-' sign in the first line.
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\code
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 @arcs
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         -
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 1   2
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 1   3
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 2   3
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\endcode
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The \c \@edges is just a synonym of \c \@arcs. The \@arcs section can
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also store the edge set of an undirected graph. In such case there is
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a conventional method for store arc maps in the file, if two columns
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has the same caption with \c '+' and \c '-' prefix, then these columns
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have the same caption with \c '+' and \c '-' prefix, then these columns
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can be regarded as the values of an arc map.
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The \c \@attributes section contains key-value pairs, each line
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consists of two tokens, an attribute name, and then an attribute
Show white space 8 line context
1 1
/* -*- mode: C++; indent-tabs-mode: nil; -*-
2 2
 *
3 3
 * This file is a part of LEMON, a generic C++ optimization library.
4 4
 *
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 * Copyright (C) 2003-2008
5
 * Copyright (C) 2003-2011
6 6
 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
7 7
 * (Egervary Research Group on Combinatorial Optimization, EGRES).
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 *
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 * Permission to use, modify and distribute this software is granted
... ...
@@ -964,8 +964,15 @@
964 964

	
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        std::string map;
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        int index = 0;
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        while (_reader_bits::readToken(line, map)) {
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          if(map == "-") {
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              if(index!=0)
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                throw FormatError("'-' is not allowed as a map name");
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              else if (line >> std::ws >> c)
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                throw FormatError("Extra character at the end of line");
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              else break;
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            }
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          if (maps.find(map) != maps.end()) {
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            std::ostringstream msg;
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            msg << "Multiple occurence of arc map: " << map;
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            throw FormatError(msg.str());
... ...
@@ -1806,8 +1813,15 @@
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        std::string map;
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        int index = 0;
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        while (_reader_bits::readToken(line, map)) {
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          if(map == "-") {
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              if(index!=0)
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                throw FormatError("'-' is not allowed as a map name");
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              else if (line >> std::ws >> c)
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                throw FormatError("Extra character at the end of line");
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              else break;
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            }
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          if (maps.find(map) != maps.end()) {
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            std::ostringstream msg;
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            msg << "Multiple occurence of edge map: " << map;
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            throw FormatError(msg.str());
Show white space 8 line context
... ...
@@ -17,8 +17,9 @@
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  graph_test
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  graph_utils_test
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  heap_test
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  kruskal_test
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  lgf_test
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  maps_test
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  random_test
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  path_test
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  time_measure_test
Show white space 8 line context
... ...
@@ -17,8 +17,9 @@
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	test/graph_test \
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	test/graph_utils_test \
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	test/heap_test \
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	test/kruskal_test \
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	test/lgf_test \
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        test/maps_test \
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        test/random_test \
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        test/path_test \
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        test/test_tools_fail \
... ...
@@ -40,8 +41,9 @@
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test_graph_test_SOURCES = test/graph_test.cc
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test_graph_utils_test_SOURCES = test/graph_utils_test.cc
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test_heap_test_SOURCES = test/heap_test.cc
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test_kruskal_test_SOURCES = test/kruskal_test.cc
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test_lgf_test_SOURCES = test/lgf_test.cc
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test_maps_test_SOURCES = test/maps_test.cc
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test_path_test_SOURCES = test/path_test.cc
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test_random_test_SOURCES = test/random_test.cc
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test_test_tools_fail_SOURCES = test/test_tools_fail.cc
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