PairInt.h

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/*--------------------------------*- VM2D -*-----------------*---------------*\
| ##  ## ##   ##  ####  #####   |                            | Version 1.14   |
| ##  ## ### ### ##  ## ##  ##  |  VM2D: Vortex Method       | 2026/03/06     |
| ##  ## ## # ##    ##  ##  ##  |  for 2D Flow Simulation    *----------------*
|  ####  ##   ##   ##   ##  ##  |  Open Source Code                           |
|   ##   ##   ## ###### #####   |  https://www.github.com/vortexmethods/VM2D  |
|                                                                             |
| Copyright (C) 2017-2026 I. Marchevsky, K. Sokol, E. Ryatina, A. Kolganova   |
*-----------------------------------------------------------------------------*
| File name: PairInt.h                                                        |
| Info: Source code of VM2D                                                   |
|                                                                             |
| This file is part of VM2D.                                                  |
| VM2D 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 3 of the License, or           |
| (at your option) any later version.                                         |
|                                                                             |
| VM2D 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.                                                           |
|                                                                             |
| You should have received a copy of the GNU General Public License           |
| along with VM2D.  If not, see <http://www.gnu.org/licenses/>.               |
\*---------------------------------------------------------------------------*/
 
 
#ifndef PAIRINT_H_
#define PAIRINT_H_
 
#include "numvector.h"
 
namespace VMlib
{
    class PairInt : public numvector<int, 2>
    {
    public:
        PairInt() { };
 
        PairInt(const numvector<int, 2>& _r) { data[0] = _r[0];data[1] = _r[1]; };
 
        PairInt(const PairInt& _r) { data[0] = _r[0];data[1] = _r[1]; };
 
#if !defined(__CUDACC__)
        PairInt(const std::initializer_list<int>& z) {
            for (size_t i = 0; i < 2; ++i)
                data[i] = *(z.begin() + i);
        };
#endif
 
        ~PairInt() { };
    };
 
 
    inline std::pair<PairInt, PairInt>& operator+=(std::pair<PairInt, PairInt>& a, const std::pair<PairInt, PairInt>& b)
    {
        a.first += b.first;
        a.second += b.second;
        return a;
    }//operator+=(...)
 
}//namespace VMlib
 
using VMlib::PairInt;
 
#endif