1 | /* ----------------------------------------------------------------- |
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2 | * Programmer(s): Slaven Peles @ LLNL |
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3 | * ----------------------------------------------------------------- |
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4 | * LLNS Copyright Start |
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5 | * Copyright (c) 2014, Lawrence Livermore National Security |
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6 | * This work was performed under the auspices of the U.S. Department |
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7 | * of Energy by Lawrence Livermore National Laboratory in part under |
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8 | * Contract W-7405-Eng-48 and in part under Contract DE-AC52-07NA27344. |
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9 | * Produced at the Lawrence Livermore National Laboratory. |
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10 | * All rights reserved. |
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11 | * For details, see the LICENSE file. |
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12 | * LLNS Copyright End |
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13 | * ----------------------------------------------------------------- |
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14 | * This header file contains definitions of MPI data types, which |
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15 | * are used by MPI parallel vector implementations. |
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16 | * -----------------------------------------------------------------*/ |
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17 | |
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18 | #ifndef _SUNDIALS_MPI_H |
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19 | #define _SUNDIALS_MPI_H |
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20 | |
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21 | #include <sundials/sundials_types.h> |
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22 | #include <sundials/sundials_mpi_types.h> |
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23 | |
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24 | |
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25 | #if SUNDIALS_MPI_ENABLED |
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26 | |
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27 | #include <mpi.h> |
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28 | #define SUNMPI_COMM_WORLD MPI_COMM_WORLD |
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29 | |
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30 | typedef MPI_Comm SUNMPI_Comm; |
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31 | |
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32 | #else |
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33 | |
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34 | #define SUNMPI_COMM_WORLD 0 |
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35 | |
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36 | typedef int SUNMPI_Comm; |
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37 | |
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38 | #endif |
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39 | |
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40 | #ifdef __cplusplus /* wrapper to enable C++ usage */ |
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41 | extern "C" { |
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42 | #endif |
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43 | |
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44 | SUNDIALS_EXPORT int SUNMPI_Comm_size(SUNMPI_Comm comm, int *size); |
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45 | SUNDIALS_EXPORT realtype SUNMPI_Allreduce_scalar(realtype d, int op, SUNMPI_Comm comm); |
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46 | SUNDIALS_EXPORT void SUNMPI_Allreduce(realtype *d, int nvec, int op, SUNMPI_Comm comm); |
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47 | |
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48 | #ifdef __cplusplus |
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49 | } |
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50 | #endif |
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51 | |
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52 | |
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53 | |
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54 | #endif /* _SUNDIALS_MPI_H */ |
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