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/*
* vim: ts=4 sw=4 et tw=0 wm=0
*
* libcola - A library providing force-directed network layout using the
* stress-majorization method subject to separation constraints.
*
* Copyright (C) 2008 Monash University
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* See the file LICENSE.LGPL distributed with the library.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
*/
#ifndef SEEN_LIBCOLA_EXCEPTIONS_H
#define SEEN_LIBCOLA_EXCEPTIONS_H
#include <string>
#include <sstream>
namespace cola {
class CompoundConstraint;
struct InvalidConstraint {
InvalidConstraint(CompoundConstraint *c):constraint(c) {}
CompoundConstraint *constraint;
};
class InvalidVariableIndexException
{
public:
InvalidVariableIndexException(CompoundConstraint *c, unsigned i)
: constraint(c),
index(i)
{ }
std::string what() const throw()
{
std::stringstream s;
s << "Invalid variable index: " << index;
return s.str();
}
CompoundConstraint *constraint;
unsigned index;
};
} // namespace cola
#endif //SEEN_LIBCOLA_EXCEPTIONS_H
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