Parallel.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: parallel.h                                                       |
| Info: Source code of VM2D                                                   |
|                                                                             |
| This file is part of VM2D.                                                  |
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| 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.                                         |
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| for more details.                                                           |
|                                                                             |
| You should have received a copy of the GNU General Public License           |
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\*---------------------------------------------------------------------------*/
 
 
#ifndef PARALLEL_H
#define PARALLEL_H
 
#include <vector>
#ifdef USE_MPI
    #include "mpi.h"
#endif
 
namespace VMlib
{
 
    struct parProp
    {
        std::vector<int> len;
 
        std::vector<int> disp;
 
        int myLen;
 
        int myDisp;
 
        int totalLen;
    };
 
 
    class Parallel
    {
    public:
#ifdef USE_MPI
        MPI_Comm commWork;
#else
        int commWork;
#endif
 
        int myidWork;
 
        int nProcWork;
 
        parProp SplitMPIone(size_t n, bool bcastAll = false) const;
 
        parProp SplitMPI(size_t n, bool bcastAll = false) const;
 
    };
 
}//namespace VMlib
 
#endif