Chris@16: //=======================================================================
Chris@16: // Copyright 2002 Indiana University.
Chris@16: // Authors: Andrew Lumsdaine, Lie-Quan Lee, Jeremy G. Siek
Chris@16: //
Chris@16: // Distributed under the Boost Software License, Version 1.0. (See
Chris@16: // accompanying file LICENSE_1_0.txt or copy at
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: //=======================================================================
Chris@16: 
Chris@16: #ifndef BOOST_GRAPH_EXCEPTION_HPP
Chris@16: #define BOOST_GRAPH_EXCEPTION_HPP
Chris@16: 
Chris@16: #include <stdexcept>
Chris@16: #include <string>
Chris@16: 
Chris@16: namespace boost {
Chris@16: 
Chris@16:     struct bad_graph : public std::invalid_argument {
Chris@16:         bad_graph(const std::string& what_arg)
Chris@16:             : std::invalid_argument(what_arg) { }
Chris@16:     };
Chris@16: 
Chris@16:     struct not_a_dag : public bad_graph {
Chris@16:         not_a_dag()
Chris@16:             : bad_graph("The graph must be a DAG.")
Chris@16:         { }
Chris@16:     };
Chris@16: 
Chris@16:     struct negative_edge : public bad_graph {
Chris@16:         negative_edge()
Chris@16:             : bad_graph("The graph may not contain an edge with negative weight.")
Chris@16:         { }
Chris@16:     };
Chris@16: 
Chris@16:     struct negative_cycle : public bad_graph {
Chris@16:         negative_cycle()
Chris@16:             : bad_graph("The graph may not contain negative cycles.")
Chris@16:         { }
Chris@16:     };
Chris@16: 
Chris@16:     struct not_connected : public bad_graph {
Chris@16:         not_connected()
Chris@16:             : bad_graph("The graph must be connected.")
Chris@16:         { }
Chris@16:     };
Chris@16: 
Chris@16:    struct not_complete : public bad_graph {
Chris@16:        not_complete()
Chris@16:            : bad_graph("The graph must be complete.")
Chris@16:        { }
Chris@16:    };
Chris@16: 
Chris@16: } // namespace boost
Chris@16: 
Chris@16: #endif // BOOST_GRAPH_EXCEPTION_HPP