Parallel.h

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/*--------------------------------*- VMlib -*----------------*---------------*\
| ##  ## ##   ## ##   ##  ##    |                            | Version 1.12   |
| ##  ## ### ### ##       ##    |  VMlib: VM2D/VM3D Library  | 2024/01/14     |
| ##  ## ## # ## ##   ##  ####  |  Open Source Code          *----------------*
|  ####  ##   ## ##   ##  ## ## |  https://www.github.com/vortexmethods/VM2D  |
|   ##   ##   ## #### ### ####  |  https://www.github.com/vortexmethods/VM3D  |
|                                                                             |
| Copyright (C) 2017-2024 Ilia Marchevsky                                     |
*-----------------------------------------------------------------------------*
| File name: parallel.h                                                       |
| Info: Source code of VMlib                                                  |
|                                                                             |
| This file is part of VMlib.                                                 |
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| under the terms of the GNU General Public License as published by           |
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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