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/* Copyright (c) 1997-2024
Ewgenij Gawrilow, Michael Joswig, and the polymake team
Technische Universität Berlin, Germany
https://polymake.org
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version: http://www.gnu.org/licenses/gpl.txt.
This program 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 General Public License for more details.
--------------------------------------------------------------------------------
*/
#pragma once
#include "polymake/Array.h"
#include "polymake/Set.h"
#include "polymake/list"
#include "polymake/hash_map"
#include <string>
namespace polymake { namespace topaz {
/// Computes the connected sum of two complexes and adjusts the labels.
/// The client writes the new lables into L1.
/// If the labels are empty, the client just ignores them.
/// The automorphism P determines to which of the vertices of f1 the
/// vertices of f2 get glued.
/// If the map is empty, the trivial map is used.
template <typename Complex_1, typename Complex_2>
std::list<Set<Int>> connected_sum(const Complex_1& C1,
const Complex_2& C2,
const Int f1, const Int f2,
Array<std::string>& L1,
const Array<std::string>& L2,
hash_map<Int, Int>& P);
/// Computes the connected sum of two complexes,
/// using the first facet of each complex and the
/// trivial map.
template <typename Complex_1, typename Complex_2>
std::list<Set<Int>> connected_sum(const Complex_1& C1,
const Complex_2& C2)
{
hash_map<Int, Int> P;
Array<std::string> L;
return connected_sum(C1, C2, 0, 0, L, L, P);
}
} }
#include "polymake/topaz/connected_sum.tcc"
// Local Variables:
// mode:C++
// c-basic-offset:3
// indent-tabs-mode:nil
// End:
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