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Add descriptions to the example files

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Weisheng Si 2015-12-18 15:33:26 +11:00
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Cone_spanners_2/examples/Cone_spanners_2/README
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In the example cpp files, the function std::to_string() is used. Because this function is
[Examples description]
compute_cones.cpp: this example computes the cone boundaries given the number of cones
and the initial direction.
theta_io.cpp: this example constructs a Theta graph exactly with an input file containing a vertex list,
and then generates the Gnuplot files for plotting the constructed Theta graph.
dijkstra_theta.cpp: this example constructs Theta graph first and then calculates
the shortest paths on this graph by calling the Dijkstra's algorithm from BGL.
[Compilation]
In the examples, the function std::to_string() is used. Because this function is
available since c++0x, please turn on '-std=gnu++0x' or '-std=c++0x' to compile. A recommended way
is to add the following codes into your 'CMakeLists.txt' file.