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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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|
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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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|
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using namespace lemon; |
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|
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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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|
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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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|
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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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|
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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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|
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| 65 |
|
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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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{
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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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{
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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&) |
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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&) |
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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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{
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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&) |
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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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| 159 |
try {
|
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graphReader(g, input). |
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run(); |
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} |
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catch (FormatError&) |
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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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} |
| ... | ... |
@@ -63,11 +63,11 @@ |
| 63 | 63 |
3 (40,10) 10 "Third node" |
| 64 | 64 |
\endcode |
| 65 | 65 |
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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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|
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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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| 70 |
and the target node of the arc, respectively, then come the map |
|
| 71 | 71 |
values. The source and target tokens must be node labels. |
| 72 | 72 |
|
| 73 | 73 |
\code |
| ... | ... |
@@ -78,10 +78,21 @@ |
| 78 | 78 |
2 3 18 |
| 79 | 79 |
\endcode |
| 80 | 80 |
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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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|
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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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|
|
| 81 | 92 |
The \c \@edges is just a synonym of \c \@arcs. The \@arcs section can |
| 82 | 93 |
also store the edge set of an undirected graph. In such case there is |
| 83 | 94 |
a conventional method for store arc maps in the file, if two columns |
| 84 |
|
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have the same caption with \c '+' and \c '-' prefix, then these columns |
|
| 85 | 96 |
can be regarded as the values of an arc map. |
| 86 | 97 |
|
| 87 | 98 |
The \c \@attributes section contains key-value pairs, each line |
| ... | ... |
@@ -49,7 +49,7 @@ |
| 49 | 49 |
} |
| 50 | 50 |
|
| 51 | 51 |
bool empty() const {
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return predMap[target] |
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return predMap[target] == INVALID; |
|
| 53 | 53 |
} |
| 54 | 54 |
|
| 55 | 55 |
class RevArcIt {
|
| ... | ... |
@@ -123,7 +123,7 @@ |
| 123 | 123 |
} |
| 124 | 124 |
|
| 125 | 125 |
bool empty() const {
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return source |
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return predMatrixMap(source, target) == INVALID; |
|
| 127 | 127 |
} |
| 128 | 128 |
|
| 129 | 129 |
class RevArcIt {
|
| ... | ... |
@@ -394,6 +394,7 @@ |
| 394 | 394 |
template <typename From, typename NodeRefMap, typename ArcRefMap> |
| 395 | 395 |
static void copy(const From& from, Digraph &to, |
| 396 | 396 |
NodeRefMap& nodeRefMap, ArcRefMap& arcRefMap) {
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to.clear(); |
|
| 397 | 398 |
for (typename From::NodeIt it(from); it != INVALID; ++it) {
|
| 398 | 399 |
nodeRefMap[it] = to.addNode(); |
| 399 | 400 |
} |
| ... | ... |
@@ -421,6 +422,7 @@ |
| 421 | 422 |
template <typename From, typename NodeRefMap, typename EdgeRefMap> |
| 422 | 423 |
static void copy(const From& from, Graph &to, |
| 423 | 424 |
NodeRefMap& nodeRefMap, EdgeRefMap& edgeRefMap) {
|
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to.clear(); |
|
| 424 | 426 |
for (typename From::NodeIt it(from); it != INVALID; ++it) {
|
| 425 | 427 |
nodeRefMap[it] = to.addNode(); |
| 426 | 428 |
} |
| ... | ... |
@@ -557,7 +557,7 @@ |
| 557 | 557 |
///added with addSource() before using this function. |
| 558 | 558 |
void start(Node t) |
| 559 | 559 |
{
|
| 560 |
while ( !emptyQueue() && |
|
| 560 |
while ( !emptyQueue() && !(*_reached)[t] ) |
|
| 561 | 561 |
processNextArc(); |
| 562 | 562 |
} |
| 563 | 563 |
|
| ... | ... |
@@ -1509,7 +1509,7 @@ |
| 1509 | 1509 |
/// \pre init() must be called and a root node should be added |
| 1510 | 1510 |
/// with addSource() before using this function. |
| 1511 | 1511 |
void start(Node t) {
|
| 1512 |
while ( !emptyQueue() && |
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while ( !emptyQueue() && !(*_reached)[t] ) |
|
| 1513 | 1513 |
processNextArc(); |
| 1514 | 1514 |
} |
| 1515 | 1515 |
| ... | ... |
@@ -2,7 +2,7 @@ |
| 2 | 2 |
* |
| 3 | 3 |
* This file is a part of LEMON, a generic C++ optimization library. |
| 4 | 4 |
* |
| 5 |
* Copyright (C) 2003- |
|
| 5 |
* Copyright (C) 2003-2011 |
|
| 6 | 6 |
* Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
| 7 | 7 |
* (Egervary Research Group on Combinatorial Optimization, EGRES). |
| 8 | 8 |
* |
| ... | ... |
@@ -964,6 +964,13 @@ |
| 964 | 964 |
std::string map; |
| 965 | 965 |
int index = 0; |
| 966 | 966 |
while (_reader_bits::readToken(line, map)) {
|
| 967 |
if(map == "-") {
|
|
| 968 |
if(index!=0) |
|
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throw FormatError("'-' is not allowed as a map name");
|
|
| 970 |
else if (line >> std::ws >> c) |
|
| 971 |
throw FormatError("Extra character at the end of line");
|
|
| 972 |
else break; |
|
| 973 |
} |
|
| 967 | 974 |
if (maps.find(map) != maps.end()) {
|
| 968 | 975 |
std::ostringstream msg; |
| 969 | 976 |
msg << "Multiple occurence of arc map: " << map; |
| ... | ... |
@@ -1834,6 +1841,13 @@ |
| 1834 | 1841 |
std::string map; |
| 1835 | 1842 |
int index = 0; |
| 1836 | 1843 |
while (_reader_bits::readToken(line, map)) {
|
| 1844 |
if(map == "-") {
|
|
| 1845 |
if(index!=0) |
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throw FormatError("'-' is not allowed as a map name");
|
|
| 1847 |
else if (line >> std::ws >> c) |
|
| 1848 |
throw FormatError("Extra character at the end of line");
|
|
| 1849 |
else break; |
|
| 1850 |
} |
|
| 1837 | 1851 |
if (maps.find(map) != maps.end()) {
|
| 1838 | 1852 |
std::ostringstream msg; |
| 1839 | 1853 |
msg << "Multiple occurence of edge map: " << map; |
| ... | ... |
@@ -25,6 +25,7 @@ |
| 25 | 25 |
test/hao_orlin_test \ |
| 26 | 26 |
test/heap_test \ |
| 27 | 27 |
test/kruskal_test \ |
| 28 |
test/lgf_test \ |
|
| 28 | 29 |
test/maps_test \ |
| 29 | 30 |
test/matching_test \ |
| 30 | 31 |
test/min_cost_arborescence_test \ |
| ... | ... |
@@ -70,6 +71,7 @@ |
| 70 | 71 |
test_heap_test_SOURCES = test/heap_test.cc |
| 71 | 72 |
test_kruskal_test_SOURCES = test/kruskal_test.cc |
| 72 | 73 |
test_hao_orlin_test_SOURCES = test/hao_orlin_test.cc |
| 74 |
test_lgf_test_SOURCES = test/lgf_test.cc |
|
| 73 | 75 |
test_lp_test_SOURCES = test/lp_test.cc |
| 74 | 76 |
test_maps_test_SOURCES = test/maps_test.cc |
| 75 | 77 |
test_mip_test_SOURCES = test/mip_test.cc |
| ... | ... |
@@ -50,7 +50,10 @@ |
| 50 | 50 |
"6 3 7\n" |
| 51 | 51 |
"@attributes\n" |
| 52 | 52 |
"source 0\n" |
| 53 |
"target 5\n" |
|
| 53 |
"target 5\n" |
|
| 54 |
"source1 6\n" |
|
| 55 |
"target1 3\n"; |
|
| 56 |
|
|
| 54 | 57 |
|
| 55 | 58 |
void checkDfsCompile() |
| 56 | 59 |
{
|
| ... | ... |
@@ -179,11 +182,14 @@ |
| 179 | 182 |
|
| 180 | 183 |
Digraph G; |
| 181 | 184 |
Node s, t; |
| 185 |
Node s1, t1; |
|
| 182 | 186 |
|
| 183 | 187 |
std::istringstream input(test_lgf); |
| 184 | 188 |
digraphReader(G, input). |
| 185 | 189 |
node("source", s).
|
| 186 | 190 |
node("target", t).
|
| 191 |
node("source1", s1).
|
|
| 192 |
node("target1", t1).
|
|
| 187 | 193 |
run(); |
| 188 | 194 |
|
| 189 | 195 |
Dfs<Digraph> dfs_test(G); |
| ... | ... |
@@ -210,6 +216,11 @@ |
| 210 | 216 |
} |
| 211 | 217 |
|
| 212 | 218 |
{
|
| 219 |
Dfs<Digraph> dfs(G); |
|
| 220 |
check(dfs.run(s1,t1) && dfs.reached(t1),"Node 3 is reachable from Node 6."); |
|
| 221 |
} |
|
| 222 |
|
|
| 223 |
{
|
|
| 213 | 224 |
NullMap<Node,Arc> myPredMap; |
| 214 | 225 |
dfs(G).predMap(myPredMap).run(s); |
| 215 | 226 |
} |
| ... | ... |
@@ -29,6 +29,7 @@ |
| 29 | 29 |
void digraph_copy_test() {
|
| 30 | 30 |
const int nn = 10; |
| 31 | 31 |
|
| 32 |
// Build a digraph |
|
| 32 | 33 |
SmartDigraph from; |
| 33 | 34 |
SmartDigraph::NodeMap<int> fnm(from); |
| 34 | 35 |
SmartDigraph::ArcMap<int> fam(from); |
| ... | ... |
@@ -51,6 +52,7 @@ |
| 51 | 52 |
} |
| 52 | 53 |
} |
| 53 | 54 |
|
| 55 |
// Test digraph copy |
|
| 54 | 56 |
ListDigraph to; |
| 55 | 57 |
ListDigraph::NodeMap<int> tnm(to); |
| 56 | 58 |
ListDigraph::ArcMap<int> tam(to); |
| ... | ... |
@@ -68,6 +70,9 @@ |
| 68 | 70 |
nodeRef(nr).arcRef(er). |
| 69 | 71 |
nodeCrossRef(ncr).arcCrossRef(ecr). |
| 70 | 72 |
node(fn, tn).arc(fa, ta).run(); |
| 73 |
|
|
| 74 |
check(countNodes(from) == countNodes(to), "Wrong copy."); |
|
| 75 |
check(countArcs(from) == countArcs(to), "Wrong copy."); |
|
| 71 | 76 |
|
| 72 | 77 |
for (SmartDigraph::NodeIt it(from); it != INVALID; ++it) {
|
| 73 | 78 |
check(ncr[nr[it]] == it, "Wrong copy."); |
| ... | ... |
@@ -90,11 +95,18 @@ |
| 90 | 95 |
} |
| 91 | 96 |
check(tn == nr[fn], "Wrong copy."); |
| 92 | 97 |
check(ta == er[fa], "Wrong copy."); |
| 98 |
|
|
| 99 |
// Test repeated copy |
|
| 100 |
digraphCopy(from, to).run(); |
|
| 101 |
|
|
| 102 |
check(countNodes(from) == countNodes(to), "Wrong copy."); |
|
| 103 |
check(countArcs(from) == countArcs(to), "Wrong copy."); |
|
| 93 | 104 |
} |
| 94 | 105 |
|
| 95 | 106 |
void graph_copy_test() {
|
| 96 | 107 |
const int nn = 10; |
| 97 | 108 |
|
| 109 |
// Build a graph |
|
| 98 | 110 |
SmartGraph from; |
| 99 | 111 |
SmartGraph::NodeMap<int> fnm(from); |
| 100 | 112 |
SmartGraph::ArcMap<int> fam(from); |
| ... | ... |
@@ -122,6 +134,7 @@ |
| 122 | 134 |
} |
| 123 | 135 |
} |
| 124 | 136 |
|
| 137 |
// Test graph copy |
|
| 125 | 138 |
ListGraph to; |
| 126 | 139 |
ListGraph::NodeMap<int> tnm(to); |
| 127 | 140 |
ListGraph::ArcMap<int> tam(to); |
| ... | ... |
@@ -144,6 +157,10 @@ |
| 144 | 157 |
nodeCrossRef(ncr).arcCrossRef(acr).edgeCrossRef(ecr). |
| 145 | 158 |
node(fn, tn).arc(fa, ta).edge(fe, te).run(); |
| 146 | 159 |
|
| 160 |
check(countNodes(from) == countNodes(to), "Wrong copy."); |
|
| 161 |
check(countEdges(from) == countEdges(to), "Wrong copy."); |
|
| 162 |
check(countArcs(from) == countArcs(to), "Wrong copy."); |
|
| 163 |
|
|
| 147 | 164 |
for (SmartGraph::NodeIt it(from); it != INVALID; ++it) {
|
| 148 | 165 |
check(ncr[nr[it]] == it, "Wrong copy."); |
| 149 | 166 |
check(fnm[it] == tnm[nr[it]], "Wrong copy."); |
| ... | ... |
@@ -180,6 +197,13 @@ |
| 180 | 197 |
check(tn == nr[fn], "Wrong copy."); |
| 181 | 198 |
check(ta == ar[fa], "Wrong copy."); |
| 182 | 199 |
check(te == er[fe], "Wrong copy."); |
| 200 |
|
|
| 201 |
// Test repeated copy |
|
| 202 |
graphCopy(from, to).run(); |
|
| 203 |
|
|
| 204 |
check(countNodes(from) == countNodes(to), "Wrong copy."); |
|
| 205 |
check(countEdges(from) == countEdges(to), "Wrong copy."); |
|
| 206 |
check(countArcs(from) == countArcs(to), "Wrong copy."); |
|
| 183 | 207 |
} |
| 184 | 208 |
|
| 185 | 209 |
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