Documented some more demo programs.
1.1 --- a/demo/dijkstra_demo.cc Fri Jul 22 15:03:23 2005 +0000
1.2 +++ b/demo/dijkstra_demo.cc Fri Jul 22 15:15:29 2005 +0000
1.3 @@ -1,3 +1,28 @@
1.4 +/* -*- C++ -*-
1.5 + * demo/lp_maxflow_demo.cc - Part of LEMON, a generic C++ optimization library
1.6 + *
1.7 + * Copyright (C) 2005 Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
1.8 + * (Egervary Research Group on Combinatorial Optimization, EGRES).
1.9 + *
1.10 + * Permission to use, modify and distribute this software is granted
1.11 + * provided that this copyright notice appears in all copies. For
1.12 + * precise terms see the accompanying LICENSE file.
1.13 + *
1.14 + * This software is provided "AS IS" with no warranty of any kind,
1.15 + * express or implied, and with no claim as to its suitability for any
1.16 + * purpose.
1.17 + *
1.18 + */
1.19 +
1.20 +///\ingroup demos
1.21 +///\file
1.22 +///\brief Demonstrating LEMON implementation of the Dijkstra algorithm
1.23 +///
1.24 +/// Dijkstra's algorithm computes shortest paths between two nodes in
1.25 +/// a graph with edge lengths. Here we only show some of the
1.26 +/// facilities supplied by our implementation: for the detailed
1.27 +/// documentation of the LEMON Dijkstra class read \ref lemon::Dijkstra "this".
1.28 +
1.29 #include <iostream>
1.30
1.31 #include <lemon/list_graph.h>
1.32 @@ -51,7 +76,7 @@
1.33
1.34 std::cout << "The id of s is " << g.id(s)<< ", the id of t is " << g.id(t)<<"."<<std::endl;
1.35
1.36 - std::cout << "Dijkstra algorithm test..." << std::endl;
1.37 + std::cout << "Dijkstra algorithm demo..." << std::endl;
1.38
1.39
1.40 Dijkstra<Graph, LengthMap> dijkstra_test(g,len);
2.1 --- a/demo/hello_lemon.cc Fri Jul 22 15:03:23 2005 +0000
2.2 +++ b/demo/hello_lemon.cc Fri Jul 22 15:15:29 2005 +0000
2.3 @@ -1,3 +1,27 @@
2.4 +/* -*- C++ -*-
2.5 + * demo/lp_maxflow_demo.cc - Part of LEMON, a generic C++ optimization library
2.6 + *
2.7 + * Copyright (C) 2005 Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
2.8 + * (Egervary Research Group on Combinatorial Optimization, EGRES).
2.9 + *
2.10 + * Permission to use, modify and distribute this software is granted
2.11 + * provided that this copyright notice appears in all copies. For
2.12 + * precise terms see the accompanying LICENSE file.
2.13 + *
2.14 + * This software is provided "AS IS" with no warranty of any kind,
2.15 + * express or implied, and with no claim as to its suitability for any
2.16 + * purpose.
2.17 + *
2.18 + */
2.19 +
2.20 +///\ingroup demos
2.21 +///\file
2.22 +///\brief LEMON style "Hello World!" program
2.23 +///
2.24 +/// This program is intended to be a "Hello World!" program that shows
2.25 +/// the very basic notions of the LEMON library: \ref graphs "graphs" and
2.26 +/// \ref maps-page "maps". Click on the links to read more about these.
2.27 +
2.28 #include <iostream>
2.29 #include <lemon/list_graph.h>
2.30
3.1 --- a/demo/kruskal_demo.cc Fri Jul 22 15:03:23 2005 +0000
3.2 +++ b/demo/kruskal_demo.cc Fri Jul 22 15:15:29 2005 +0000
3.3 @@ -18,8 +18,8 @@
3.4 ///\file
3.5 ///\brief Minimum weight spanning tree by Kruskal algorithm (demo).
3.6 ///
3.7 -///This demo program shows how to find a minimum weight spannin tree
3.8 -///of a graph by using the Kruskal algorithm.
3.9 +/// This demo program shows how to find a minimum weight spanning tree
3.10 +/// in a graph by using the Kruskal algorithm.
3.11
3.12 #include <iostream>
3.13 #include <vector>
4.1 --- a/demo/lp_maxflow_demo.cc Fri Jul 22 15:03:23 2005 +0000
4.2 +++ b/demo/lp_maxflow_demo.cc Fri Jul 22 15:15:29 2005 +0000
4.3 @@ -18,10 +18,10 @@
4.4 ///\file
4.5 ///\brief Max flow problem solved with an LP solver (demo).
4.6 ///
4.7 -///This demo program shows how to solve a maximum (or maximal) flow
4.8 -///problem using the LEMON LP solver interface. We would like to lay
4.9 -///the emphasis on the simplicity of the way one can formulate the LP
4.10 -///constraints with LEMON that arise in graph theory.
4.11 +/// This demo program shows how to solve a maximum (or maximal) flow
4.12 +/// problem using the LEMON LP solver interface. We would like to lay
4.13 +/// the emphasis on the simplicity of the way one can formulate LP
4.14 +/// constraints that arise in graph theory in our library LEMON .
4.15
4.16 #ifdef HAVE_CONFIG_H
4.17 #include <config.h>
5.1 --- a/demo/reader_writer_demo.cc Fri Jul 22 15:03:23 2005 +0000
5.2 +++ b/demo/reader_writer_demo.cc Fri Jul 22 15:15:29 2005 +0000
5.3 @@ -1,3 +1,28 @@
5.4 +/* -*- C++ -*-
5.5 + * demo/lp_maxflow_demo.cc - Part of LEMON, a generic C++ optimization library
5.6 + *
5.7 + * Copyright (C) 2005 Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
5.8 + * (Egervary Research Group on Combinatorial Optimization, EGRES).
5.9 + *
5.10 + * Permission to use, modify and distribute this software is granted
5.11 + * provided that this copyright notice appears in all copies. For
5.12 + * precise terms see the accompanying LICENSE file.
5.13 + *
5.14 + * This software is provided "AS IS" with no warranty of any kind,
5.15 + * express or implied, and with no claim as to its suitability for any
5.16 + * purpose.
5.17 + *
5.18 + */
5.19 +
5.20 +///\ingroup demos
5.21 +///\file
5.22 +///\brief Demonstrating graph input and output
5.23 +///
5.24 +/// This simple demo program gives an example of how to read and write
5.25 +/// a graph and additional maps (on the nodes or the edges) from/to a
5.26 +/// stream.
5.27 +
5.28 +
5.29 #include <iostream>
5.30 #include <lemon/smart_graph.h>
5.31 #include <lemon/invalid.h>
5.32 @@ -18,7 +43,7 @@
5.33 reader.run();
5.34
5.35 std::cout << "Hello! We have read a graph from file " << filename<<
5.36 - " and some maps on it: now we write this to the standard output!" <<
5.37 + " and some maps on it:\n now we write it to the standard output!" <<
5.38 std::endl;
5.39
5.40
6.1 --- a/demo/sub_graph_adaptor_demo.cc Fri Jul 22 15:03:23 2005 +0000
6.2 +++ b/demo/sub_graph_adaptor_demo.cc Fri Jul 22 15:15:29 2005 +0000
6.3 @@ -1,9 +1,31 @@
6.4 -// -*- c++ -*-
6.5 +/* -*- C++ -*-
6.6 + * demo/lp_maxflow_demo.cc - Part of LEMON, a generic C++ optimization library
6.7 + *
6.8 + * Copyright (C) 2005 Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
6.9 + * (Egervary Research Group on Combinatorial Optimization, EGRES).
6.10 + *
6.11 + * Permission to use, modify and distribute this software is granted
6.12 + * provided that this copyright notice appears in all copies. For
6.13 + * precise terms see the accompanying LICENSE file.
6.14 + *
6.15 + * This software is provided "AS IS" with no warranty of any kind,
6.16 + * express or implied, and with no claim as to its suitability for any
6.17 + * purpose.
6.18 + *
6.19 + */
6.20 +
6.21 +///\ingroup demos
6.22 +///\file
6.23 +///\brief Computing maximum number of edge-disjoint shortest paths
6.24 +///
6.25 +/// This program computes a maximum number of edge-disjoint shortest paths
6.26 +/// between nodes \c s and \c t.
6.27 +
6.28
6.29 // Use a DIMACS max flow file as input.
6.30 // sub_graph_adaptor_demo < dimacs_max_flow_file
6.31 -// This program computes a maximum number of edge-disjoint shortest paths
6.32 -// between s and t.
6.33 +// Modified to eat lemon graph format!
6.34 +
6.35
6.36 #include <iostream>
6.37 #include <fstream>
6.38 @@ -16,11 +38,9 @@
6.39 #include <lemon/preflow.h>
6.40 #include <tight_edge_filter_map.h>
6.41
6.42 +#include <lemon/graph_reader.h>
6.43
6.44
6.45 -//#include <lemon/graph_reader.h>
6.46 -//#include <lemon/graph_writer.h>
6.47 -
6.48 using namespace lemon;
6.49
6.50 using std::cout;
6.51 @@ -30,8 +50,11 @@
6.52 {
6.53 if(argc<2)
6.54 {
6.55 - std::cerr << "USAGE: sub_graph_adaptor_demo input_file.dim" << std::endl;
6.56 - std::cerr << "The file 'input_file.dim' has to contain a max flow instance in DIMACS format (e.g. sub_graph_adaptor_demo.dim is such a file)." << std::endl;
6.57 + std::cerr << "USAGE: sub_graph_adaptor_demo input_file.lgf" << std::endl;
6.58 + std::cerr << "The file 'input_file.lgf' has to contain a max flow "
6.59 + << "instance in \n LEMON format "
6.60 + << "(e.g. sub_gad_input.lgf is such a file)."
6.61 + << std::endl;
6.62 return 0;
6.63 }
6.64
6.65 @@ -51,17 +74,12 @@
6.66 Node s, t;
6.67 LengthMap length(g);
6.68
6.69 - readDimacs(is, g, length, s, t);
6.70 + //readDimacs(is, g, length, s, t);
6.71
6.72 -// GraphWriter<SmartGraph> writer(std::cout, g);
6.73 -// writer.writeEdgeMap("length", length);
6.74 -// writer.writeNode("source",s);
6.75 -// writer.writeNode("target",t);
6.76 -// writer.run();
6.77
6.78 -// GraphReader<ListGraph> reader(is,g);
6.79 -// reader.readNode("source",s).readNode("target",t)
6.80 -// .readEdgeMap("length",length).run();
6.81 + GraphReader<SmartGraph> reader(is,g);
6.82 + reader.readNode("source",s).readNode("target",t)
6.83 + .readEdgeMap("length",length).run();
6.84
6.85 cout << "edges with lengths (of form id, source--length->target): " << endl;
6.86 for(EdgeIt e(g); e!=INVALID; ++e)