Simplex_comparator.h

/*    This file is part of the Gudhi Library - https://gudhi.inria.fr/ - which is released under MIT.
 *    See file LICENSE or go to https://gudhi.inria.fr/licensing/ for full license details.
 *    Author(s):       Siargey Kachanovich
 *
 *    Copyright (C) 2019 Inria
 *
 *    Modification(s):
 *      - YYYY/MM Author: Description of the modification
 */
 
#ifndef PERMUTAHEDRAL_REPRESENTATION_SIMPLEX_COMPARATOR_H_
#define PERMUTAHEDRAL_REPRESENTATION_SIMPLEX_COMPARATOR_H_
 
namespace Gudhi {
 
namespace coxeter_triangulation {
 
template <class Permutahedral_representation_>
struct Simplex_comparator {
  bool operator()(const Permutahedral_representation_& lhs, const Permutahedral_representation_& rhs) const {
    if (lhs.vertex() < rhs.vertex()) return true;
    if (lhs.vertex() > rhs.vertex()) return false;
 
    if (lhs.partition().size() > rhs.partition().size()) return true;
    if (lhs.partition().size() < rhs.partition().size()) return false;
 
    if (lhs.partition() < rhs.partition()) return true;
    if (lhs.partition() > rhs.partition()) return false;
 
    return false;
  }
};
 
}  // namespace coxeter_triangulation
 
}  // namespace Gudhi
 
#endif