/usr/include/SFCGAL/detail/ComplexComparator.h is in libsfcgal-dev 1.2.2-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 | /**
* SFCGAL
*
* Copyright (C) 2012-2013 Oslandia <infos@oslandia.com>
* Copyright (C) 2012-2013 IGN (http://www.ign.fr)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* 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. See the GNU
* Library General Public License for more details.
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _SFCGAL_DETAIL_COMPLEXCOMPARATOR_H_
#define _SFCGAL_DETAIL_COMPLEXCOMPARATOR_H_
#include <SFCGAL/config.h>
#include <complex>
namespace SFCGAL {
namespace detail {
/**
* lexicographic order on complex
*/
struct SFCGAL_API ComplexComparator {
template < typename T >
inline bool operator () ( const std::complex< T >& a, const std::complex< T >& b ) {
return ( a.real() < b.real() ) || ( a.real() == b.real() && a.imag() < b.imag() );
}
};
}//detail
}//SFCGAL
#endif
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