vtkCommunicator.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkCommunicator.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
#ifndef vtkCommunicator_h
#define vtkCommunicator_h

#include "vtkParallelCoreModule.h" // For export macro
#include "vtkObject.h"
#include "vtkSmartPointer.h" // needed for vtkSmartPointer.
#include <vector> // needed for std::vector

class vtkBoundingBox;
class vtkCharArray;
class vtkDataArray;
class vtkDataObject;
class vtkDataSet;
class vtkIdTypeArray;
class vtkImageData;
class vtkMultiBlockDataSet;
class vtkMultiProcessStream;

class VTKPARALLELCORE_EXPORT vtkCommunicator : public vtkObject
{

public:

  vtkTypeMacro(vtkCommunicator, vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent) override;


  virtual void SetNumberOfProcesses(int num);
  vtkGetMacro(NumberOfProcesses, int);


  vtkGetMacro(LocalProcessId, int);

  enum Tags
  {
    BROADCAST_TAG       = 10,
    GATHER_TAG          = 11,
    GATHERV_TAG         = 12,
    SCATTER_TAG         = 13,
    SCATTERV_TAG        = 14,
    REDUCE_TAG          = 15,
    BARRIER_TAG         = 16
  };

  enum StandardOperations
  {
    MAX_OP,
    MIN_OP,
    SUM_OP,
    PRODUCT_OP,
    LOGICAL_AND_OP,
    BITWISE_AND_OP,
    LOGICAL_OR_OP,
    BITWISE_OR_OP,
    LOGICAL_XOR_OP,
    BITWISE_XOR_OP
  };

  class Operation
  {
  public:
    virtual void Function(const void *A, void *B, vtkIdType length,
                          int datatype) = 0;

    virtual int Commutative() = 0;

    virtual ~Operation() {}
  };

  int Send(vtkDataObject* data, int remoteHandle, int tag);

  int Send(vtkDataArray* data, int remoteHandle, int tag);

  virtual int SendVoidArray(const void *data, vtkIdType length, int type,
                            int remoteHandle, int tag) = 0;


  int Send(const int* data, vtkIdType length, int remoteHandle, int tag) {
    return this->SendVoidArray(data, length, VTK_INT, remoteHandle, tag);
  }
  int Send(const unsigned int* data, vtkIdType length, int remoteHandle, int tag) {
    return this->SendVoidArray(data, length, VTK_INT, remoteHandle, tag);
  }
  int Send(const short* data, vtkIdType length, int remoteHandle, int tag) {
    return this->SendVoidArray(data, length, VTK_SHORT, remoteHandle, tag);
  }
  int Send(const unsigned short* data, vtkIdType length, int remoteHandle, int tag) {
    return this->SendVoidArray(data, length, VTK_UNSIGNED_SHORT, remoteHandle, tag);
  }
  int Send(const long* data, vtkIdType length,
           int remoteHandle, int tag) {
    return this->SendVoidArray(data, length,VTK_LONG,remoteHandle,tag);
  }
  int Send(const unsigned long* data, vtkIdType length,
           int remoteHandle, int tag) {
    return this->SendVoidArray(data, length,VTK_UNSIGNED_LONG,remoteHandle,tag);
  }
  int Send(const unsigned char* data, vtkIdType length,
           int remoteHandle, int tag) {
    return this->SendVoidArray(data, length,VTK_UNSIGNED_CHAR,remoteHandle,tag);
  }
  int Send(const char* data, vtkIdType length, int remoteHandle, int tag) {
    return this->SendVoidArray(data, length, VTK_CHAR, remoteHandle, tag);
  }
  int Send(const signed char* data, vtkIdType length, int remoteHandle, int tag) {
    return this->SendVoidArray(data, length, VTK_SIGNED_CHAR, remoteHandle, tag);
  }
  int Send(const float* data, vtkIdType length, int remoteHandle, int tag) {
    return this->SendVoidArray(data, length, VTK_FLOAT, remoteHandle, tag);
  }
  int Send(const double* data, vtkIdType length, int remoteHandle, int tag) {
    return this->SendVoidArray(data, length, VTK_DOUBLE, remoteHandle, tag);
  }
  int Send(const long long* data, vtkIdType length, int remoteHandle, int tag) {
    return this->SendVoidArray(data, length, VTK_LONG_LONG, remoteHandle, tag);
  }
  int Send(const unsigned long long* data, vtkIdType length, int remoteHandle, int tag) {
    return this->SendVoidArray(data, length, VTK_UNSIGNED_LONG_LONG, remoteHandle, tag);
  }

  int Send(const vtkMultiProcessStream& stream, int remoteId, int tag);

  int Receive(vtkDataObject* data, int remoteHandle, int tag);

  vtkDataObject *ReceiveDataObject(int remoteHandle, int tag);

  int Receive(vtkDataArray* data, int remoteHandle, int tag);

  virtual int ReceiveVoidArray(void *data, vtkIdType maxlength, int type,
                               int remoteHandle, int tag) = 0;


  int Receive(int* data, vtkIdType maxlength, int remoteHandle, int tag) {
    return this->ReceiveVoidArray(data, maxlength, VTK_INT, remoteHandle, tag);
  }
  int Receive(unsigned int* data, vtkIdType maxlength, int remoteHandle, int tag) {
    return this->ReceiveVoidArray(data, maxlength, VTK_INT, remoteHandle, tag);
  }
  int Receive(short* data, vtkIdType maxlength, int remoteHandle, int tag) {
    return this->ReceiveVoidArray(data, maxlength, VTK_SHORT, remoteHandle, tag);
  }
  int Receive(unsigned short* data, vtkIdType maxlength, int remoteHandle, int tag) {
    return this->ReceiveVoidArray(data, maxlength, VTK_UNSIGNED_SHORT, remoteHandle, tag);
  }
  int Receive(long* data, vtkIdType maxlength, int remoteHandle, int tag) {
    return this->ReceiveVoidArray(data, maxlength, VTK_LONG, remoteHandle, tag);
  }
  int Receive(unsigned long* data, vtkIdType maxlength, int remoteHandle, int tag){
    return this->ReceiveVoidArray(data, maxlength, VTK_UNSIGNED_LONG, remoteHandle,
                                  tag);
  }
  int Receive(unsigned char* data, vtkIdType maxlength, int remoteHandle, int tag){
    return this->ReceiveVoidArray(data, maxlength, VTK_UNSIGNED_CHAR, remoteHandle,
                                  tag);
  }
  int Receive(char* data, vtkIdType maxlength, int remoteHandle, int tag) {
    return this->ReceiveVoidArray(data, maxlength, VTK_CHAR, remoteHandle, tag);
  }
  int Receive(signed char* data, vtkIdType maxlength, int remoteHandle, int tag) {
    return this->ReceiveVoidArray(data, maxlength, VTK_SIGNED_CHAR, remoteHandle, tag);
  }
  int Receive(float* data, vtkIdType maxlength, int remoteHandle, int tag) {
    return this->ReceiveVoidArray(data, maxlength, VTK_FLOAT, remoteHandle, tag);
  }
  int Receive(double* data, vtkIdType maxlength, int remoteHandle, int tag) {
    return this->ReceiveVoidArray(data, maxlength, VTK_DOUBLE, remoteHandle, tag);
  }
  int Receive(long long* data, vtkIdType maxlength, int remoteHandle, int tag) {
    return this->ReceiveVoidArray(data, maxlength, VTK_LONG_LONG, remoteHandle, tag);
  }
  int Receive(unsigned long long* data, vtkIdType maxlength, int remoteHandle, int tag) {
    return this->ReceiveVoidArray(data, maxlength, VTK_UNSIGNED_LONG_LONG, remoteHandle, tag);
  }

  int Receive(vtkMultiProcessStream& stream, int remoteId, int tag);


  vtkGetMacro(Count, vtkIdType);

  //---------------------- Collective Operations ----------------------

  virtual void Barrier();


  int Broadcast(int *data, vtkIdType length, int srcProcessId) {
    return this->BroadcastVoidArray(data, length, VTK_INT, srcProcessId);
  }
  int Broadcast(unsigned int *data, vtkIdType length, int srcProcessId) {
    return this->BroadcastVoidArray(data, length, VTK_UNSIGNED_INT, srcProcessId);
  }
  int Broadcast(short *data, vtkIdType length, int srcProcessId) {
    return this->BroadcastVoidArray(data, length, VTK_SHORT, srcProcessId);
  }
  int Broadcast(unsigned short *data, vtkIdType length, int srcProcessId) {
    return this->BroadcastVoidArray(data, length, VTK_UNSIGNED_SHORT, srcProcessId);
  }
  int Broadcast(long *data, vtkIdType length, int srcProcessId) {
    return this->BroadcastVoidArray(data, length, VTK_LONG, srcProcessId);
  }
  int Broadcast(unsigned long *data, vtkIdType length, int srcProcessId) {
    return this->BroadcastVoidArray(data,length,VTK_UNSIGNED_LONG,srcProcessId);
  }
  int Broadcast(unsigned char *data, vtkIdType length, int srcProcessId) {
    return this->BroadcastVoidArray(data,length,VTK_UNSIGNED_CHAR,srcProcessId);
  }
  int Broadcast(char *data, vtkIdType length, int srcProcessId) {
    return this->BroadcastVoidArray(data, length, VTK_CHAR, srcProcessId);
  }
  int Broadcast(signed char *data, vtkIdType length, int srcProcessId) {
    return this->BroadcastVoidArray(data, length, VTK_SIGNED_CHAR, srcProcessId);
  }
  int Broadcast(float *data, vtkIdType length, int srcProcessId) {
    return this->BroadcastVoidArray(data, length, VTK_FLOAT, srcProcessId);
  }
  int Broadcast(double *data, vtkIdType length, int srcProcessId) {
    return this->BroadcastVoidArray(data, length, VTK_DOUBLE, srcProcessId);
  }
  int Broadcast(long long *data, vtkIdType length, int srcProcessId) {
    return this->BroadcastVoidArray(data, length, VTK_LONG_LONG, srcProcessId);
  }
  int Broadcast(unsigned long long *data, vtkIdType length, int srcProcessId) {
    return this->BroadcastVoidArray(data, length, VTK_UNSIGNED_LONG_LONG, srcProcessId);
  }
  int Broadcast(vtkDataObject *data, int srcProcessId);
  int Broadcast(vtkDataArray *data, int srcProcessId);

  int Broadcast(vtkMultiProcessStream& stream, int srcProcessId);


  int Gather(const int *sendBuffer, int *recvBuffer,
             vtkIdType length, int destProcessId) {
    return this->GatherVoidArray(sendBuffer, recvBuffer, length,
                                 VTK_INT, destProcessId);
  }
  int Gather(const unsigned int *sendBuffer, unsigned int *recvBuffer,
             vtkIdType length, int destProcessId) {
    return this->GatherVoidArray(sendBuffer, recvBuffer, length,
                                 VTK_UNSIGNED_INT, destProcessId);
  }
  int Gather(const short *sendBuffer, short *recvBuffer,
             vtkIdType length, int destProcessId) {
    return this->GatherVoidArray(sendBuffer, recvBuffer, length,
                                 VTK_SHORT, destProcessId);
  }
  int Gather(const unsigned short *sendBuffer, unsigned short *recvBuffer,
             vtkIdType length, int destProcessId) {
    return this->GatherVoidArray(sendBuffer, recvBuffer, length,
                                 VTK_UNSIGNED_SHORT, destProcessId);
  }
  int Gather(const long *sendBuffer, long *recvBuffer,
             vtkIdType length, int destProcessId) {
    return this->GatherVoidArray(sendBuffer, recvBuffer, length,
                                 VTK_LONG, destProcessId);
  }
  int Gather(const unsigned long *sendBuffer, unsigned long *recvBuffer,
             vtkIdType length, int destProcessId) {
    return this->GatherVoidArray(sendBuffer, recvBuffer, length,
                                 VTK_UNSIGNED_LONG, destProcessId);
  }
  int Gather(const unsigned char *sendBuffer, unsigned char *recvBuffer,
             vtkIdType length, int destProcessId) {
    return this->GatherVoidArray(sendBuffer, recvBuffer, length,
                                 VTK_UNSIGNED_CHAR, destProcessId);
  }
  int Gather(const char *sendBuffer, char *recvBuffer,
             vtkIdType length, int destProcessId) {
    return this->GatherVoidArray(sendBuffer, recvBuffer, length,
                                 VTK_CHAR, destProcessId);
  }
  int Gather(const signed char *sendBuffer, signed char *recvBuffer,
             vtkIdType length, int destProcessId) {
    return this->GatherVoidArray(sendBuffer, recvBuffer, length,
                                 VTK_SIGNED_CHAR, destProcessId);
  }
  int Gather(const float *sendBuffer, float *recvBuffer,
             vtkIdType length, int destProcessId) {
    return this->GatherVoidArray(sendBuffer, recvBuffer, length,
                                 VTK_FLOAT, destProcessId);
  }
  int Gather(const double *sendBuffer, double *recvBuffer,
             vtkIdType length, int destProcessId) {
    return this->GatherVoidArray(sendBuffer, recvBuffer, length,
                                 VTK_DOUBLE, destProcessId);
  }
  int Gather(const long long *sendBuffer, long long *recvBuffer,
             vtkIdType length, int destProcessId) {
    return this->GatherVoidArray(sendBuffer, recvBuffer, length,
                                 VTK_LONG_LONG, destProcessId);
  }
  int Gather(const unsigned long long *sendBuffer, unsigned long long *recvBuffer,
             vtkIdType length, int destProcessId) {
    return this->GatherVoidArray(sendBuffer, recvBuffer, length,
                                 VTK_UNSIGNED_LONG_LONG, destProcessId);
  }
  int Gather(vtkDataArray *sendBuffer, vtkDataArray *recvBuffer,
             int destProcessId);

  int Gather(vtkDataObject* sendBuffer,
    std::vector<vtkSmartPointer<vtkDataObject> >& recvBuffer,
    int destProcessId);


  int GatherV(const int* sendBuffer, int* recvBuffer,
              vtkIdType sendLength, vtkIdType* recvLengths, vtkIdType* offsets,
              int destProcessId) {
    return this->GatherVVoidArray(sendBuffer, recvBuffer,
                                  sendLength, recvLengths,
                                  offsets, VTK_INT, destProcessId);
  }
  int GatherV(const unsigned int* sendBuffer, unsigned int* recvBuffer,
              vtkIdType sendLength, vtkIdType* recvLengths, vtkIdType* offsets,
              int destProcessId) {
    return this->GatherVVoidArray(sendBuffer, recvBuffer,
                                  sendLength, recvLengths,
                                  offsets, VTK_UNSIGNED_INT, destProcessId);
  }
  int GatherV(const short* sendBuffer, short* recvBuffer,
              vtkIdType sendLength, vtkIdType* recvLengths, vtkIdType* offsets,
              int destProcessId) {
    return this->GatherVVoidArray(sendBuffer, recvBuffer,
                                  sendLength, recvLengths,
                                  offsets, VTK_SHORT, destProcessId);
  }
  int GatherV(const unsigned short* sendBuffer, unsigned short* recvBuffer,
              vtkIdType sendLength, vtkIdType* recvLengths, vtkIdType* offsets,
              int destProcessId) {
    return this->GatherVVoidArray(sendBuffer, recvBuffer,
                                  sendLength, recvLengths,
                                  offsets, VTK_UNSIGNED_SHORT, destProcessId);
  }
  int GatherV(const long* sendBuffer, long* recvBuffer,
              vtkIdType sendLength, vtkIdType* recvLengths, vtkIdType* offsets,
              int destProcessId) {
    return this->GatherVVoidArray(sendBuffer, recvBuffer,
                                  sendLength, recvLengths,
                                  offsets, VTK_LONG, destProcessId);
  }
  int GatherV(const unsigned long* sendBuffer, unsigned long* recvBuffer,
              vtkIdType sendLength, vtkIdType* recvLengths, vtkIdType* offsets,
              int destProcessId) {
    return this->GatherVVoidArray(sendBuffer, recvBuffer,
                                  sendLength, recvLengths,
                                  offsets, VTK_UNSIGNED_LONG, destProcessId);
  }
  int GatherV(const unsigned char* sendBuffer, unsigned char* recvBuffer,
              vtkIdType sendLength, vtkIdType* recvLengths, vtkIdType* offsets,
              int destProcessId) {
    return this->GatherVVoidArray(sendBuffer, recvBuffer,
                                  sendLength, recvLengths,
                                  offsets, VTK_UNSIGNED_CHAR, destProcessId);
  }
  int GatherV(const char* sendBuffer, char* recvBuffer,
              vtkIdType sendLength, vtkIdType* recvLengths, vtkIdType* offsets,
              int destProcessId) {
    return this->GatherVVoidArray(sendBuffer, recvBuffer,
                                  sendLength, recvLengths,
                                  offsets, VTK_CHAR, destProcessId);
  }
  int GatherV(const signed char* sendBuffer, signed char* recvBuffer,
              vtkIdType sendLength, vtkIdType* recvLengths, vtkIdType* offsets,
              int destProcessId) {
    return this->GatherVVoidArray(sendBuffer, recvBuffer,
                                  sendLength, recvLengths,
                                  offsets, VTK_SIGNED_CHAR, destProcessId);
  }
  int GatherV(const float* sendBuffer, float* recvBuffer,
              vtkIdType sendLength, vtkIdType* recvLengths, vtkIdType* offsets,
              int destProcessId) {
    return this->GatherVVoidArray(sendBuffer, recvBuffer,
                                  sendLength, recvLengths,
                                  offsets, VTK_FLOAT, destProcessId);
  }
  int GatherV(const double* sendBuffer, double* recvBuffer,
              vtkIdType sendLength, vtkIdType* recvLengths, vtkIdType* offsets,
              int destProcessId) {
    return this->GatherVVoidArray(sendBuffer, recvBuffer,
                                  sendLength, recvLengths,
                                  offsets, VTK_DOUBLE, destProcessId);
  }
  int GatherV(const long long* sendBuffer, long long* recvBuffer,
              vtkIdType sendLength, vtkIdType* recvLengths, vtkIdType* offsets,
              int destProcessId) {
    return this->GatherVVoidArray(sendBuffer, recvBuffer,
                                  sendLength, recvLengths,
                                  offsets, VTK_LONG_LONG, destProcessId);
  }
  int GatherV(const unsigned long long* sendBuffer, unsigned long long* recvBuffer,
              vtkIdType sendLength, vtkIdType* recvLengths, vtkIdType* offsets,
              int destProcessId) {
    return this->GatherVVoidArray(sendBuffer, recvBuffer,
                                  sendLength, recvLengths,
                                  offsets, VTK_UNSIGNED_LONG_LONG, destProcessId);
  }


  int GatherV(vtkDataArray *sendBuffer, vtkDataArray *recvBuffer,
              vtkIdType *recvLengths, vtkIdType *offsets,
              int destProcessId);
  int GatherV(vtkDataArray *sendBuffer, vtkDataArray *recvBuffer,
              vtkIdTypeArray* recvLengths,
              vtkIdTypeArray* offsets,
              int destProcessId);
  int GatherV(vtkDataArray *sendBuffer, vtkDataArray *recvBuffer,
              int destProcessId);

  int GatherV(vtkDataObject* sendData, vtkSmartPointer<vtkDataObject>* recvData,
              int destProcessId);


  int Scatter(const int *sendBuffer, int *recvBuffer,
             vtkIdType length, int srcProcessId) {
    return this->ScatterVoidArray(sendBuffer, recvBuffer, length,
                                  VTK_INT, srcProcessId);
  }
  int Scatter(const unsigned int *sendBuffer, unsigned int *recvBuffer,
             vtkIdType length, int srcProcessId) {
    return this->ScatterVoidArray(sendBuffer, recvBuffer, length,
                                  VTK_UNSIGNED_INT, srcProcessId);
  }
  int Scatter(const short *sendBuffer, short *recvBuffer,
             vtkIdType length, int srcProcessId) {
    return this->ScatterVoidArray(sendBuffer, recvBuffer, length,
                                  VTK_SHORT, srcProcessId);
  }
  int Scatter(const unsigned short *sendBuffer, unsigned short *recvBuffer,
             vtkIdType length, int srcProcessId) {
    return this->ScatterVoidArray(sendBuffer, recvBuffer, length,
                                  VTK_UNSIGNED_SHORT, srcProcessId);
  }
  int Scatter(const long *sendBuffer, long *recvBuffer,
             vtkIdType length, int srcProcessId) {
    return this->ScatterVoidArray(sendBuffer, recvBuffer, length,
                                  VTK_INT, srcProcessId);
  }
  int Scatter(const unsigned long *sendBuffer, unsigned long *recvBuffer,
             vtkIdType length, int srcProcessId) {
    return this->ScatterVoidArray(sendBuffer, recvBuffer, length,
                                  VTK_UNSIGNED_LONG, srcProcessId);
  }
  int Scatter(const unsigned char *sendBuffer, unsigned char *recvBuffer,
             vtkIdType length, int srcProcessId) {
    return this->ScatterVoidArray(sendBuffer, recvBuffer, length,
                                  VTK_UNSIGNED_CHAR, srcProcessId);
  }
  int Scatter(const char *sendBuffer, char *recvBuffer,
             vtkIdType length, int srcProcessId) {
    return this->ScatterVoidArray(sendBuffer, recvBuffer, length,
                                  VTK_CHAR, srcProcessId);
  }
  int Scatter(const signed char *sendBuffer, signed char *recvBuffer,
             vtkIdType length, int srcProcessId) {
    return this->ScatterVoidArray(sendBuffer, recvBuffer, length,
                                  VTK_SIGNED_CHAR, srcProcessId);
  }
  int Scatter(const float *sendBuffer, float *recvBuffer,
             vtkIdType length, int srcProcessId) {
    return this->ScatterVoidArray(sendBuffer, recvBuffer, length,
                                  VTK_FLOAT, srcProcessId);
  }
  int Scatter(const double *sendBuffer, double *recvBuffer,
             vtkIdType length, int srcProcessId) {
    return this->ScatterVoidArray(sendBuffer, recvBuffer, length,
                                  VTK_DOUBLE, srcProcessId);
  }
  int Scatter(const long long *sendBuffer, long long *recvBuffer,
             vtkIdType length, int srcProcessId) {
    return this->ScatterVoidArray(sendBuffer, recvBuffer, length,
                                  VTK_LONG_LONG, srcProcessId);
  }
  int Scatter(const unsigned long long *sendBuffer, unsigned long long *recvBuffer,
             vtkIdType length, int srcProcessId) {
    return this->ScatterVoidArray(sendBuffer, recvBuffer, length,
                                  VTK_UNSIGNED_LONG_LONG, srcProcessId);
  }
  int Scatter(vtkDataArray *sendBuffer, vtkDataArray *recvBuffer,
             int srcProcessId);


  int ScatterV(const int *sendBuffer, int *recvBuffer,
               vtkIdType *sendLengths, vtkIdType *offsets,
               vtkIdType recvLength, int srcProcessId) {
    return this->ScatterVVoidArray(sendBuffer, recvBuffer,
                                   sendLengths, offsets, recvLength,
                                   VTK_INT, srcProcessId);
  }
  int ScatterV(const unsigned int *sendBuffer, unsigned int *recvBuffer,
               vtkIdType *sendLengths, vtkIdType *offsets,
               vtkIdType recvLength, int srcProcessId) {
    return this->ScatterVVoidArray(sendBuffer, recvBuffer,
                                   sendLengths, offsets, recvLength,
                                   VTK_UNSIGNED_INT, srcProcessId);
  }
  int ScatterV(const short *sendBuffer, short *recvBuffer,
               vtkIdType *sendLengths, vtkIdType *offsets,
               vtkIdType recvLength, int srcProcessId) {
    return this->ScatterVVoidArray(sendBuffer, recvBuffer,
                                   sendLengths, offsets, recvLength,
                                   VTK_SHORT, srcProcessId);
  }
  int ScatterV(const unsigned short *sendBuffer, unsigned short *recvBuffer,
               vtkIdType *sendLengths, vtkIdType *offsets,
               vtkIdType recvLength, int srcProcessId) {
    return this->ScatterVVoidArray(sendBuffer, recvBuffer,
                                   sendLengths, offsets, recvLength,
                                   VTK_UNSIGNED_SHORT, srcProcessId);
  }
  int ScatterV(const long *sendBuffer, long *recvBuffer,
               vtkIdType *sendLengths, vtkIdType *offsets,
               vtkIdType recvLength, int srcProcessId) {
    return this->ScatterVVoidArray(sendBuffer, recvBuffer,
                                   sendLengths, offsets, recvLength,
                                   VTK_LONG, srcProcessId);
  }
  int ScatterV(const unsigned long *sendBuffer, unsigned long *recvBuffer,
               vtkIdType *sendLengths, vtkIdType *offsets,
               vtkIdType recvLength, int srcProcessId) {
    return this->ScatterVVoidArray(sendBuffer, recvBuffer,
                                   sendLengths, offsets, recvLength,
                                   VTK_UNSIGNED_LONG, srcProcessId);
  }
  int ScatterV(const unsigned char *sendBuffer, unsigned char *recvBuffer,
               vtkIdType *sendLengths, vtkIdType *offsets,
               vtkIdType recvLength, int srcProcessId) {
    return this->ScatterVVoidArray(sendBuffer, recvBuffer,
                                   sendLengths, offsets, recvLength,
                                   VTK_UNSIGNED_CHAR, srcProcessId);
  }
  int ScatterV(const char *sendBuffer, char *recvBuffer,
               vtkIdType *sendLengths, vtkIdType *offsets,
               vtkIdType recvLength, int srcProcessId) {
    return this->ScatterVVoidArray(sendBuffer, recvBuffer,
                                   sendLengths, offsets, recvLength,
                                   VTK_CHAR, srcProcessId);
  }
  int ScatterV(const signed char *sendBuffer, signed char *recvBuffer,
               vtkIdType *sendLengths, vtkIdType *offsets,
               vtkIdType recvLength, int srcProcessId) {
    return this->ScatterVVoidArray(sendBuffer, recvBuffer,
                                   sendLengths, offsets, recvLength,
                                   VTK_SIGNED_CHAR, srcProcessId);
  }
  int ScatterV(const float *sendBuffer, float *recvBuffer,
               vtkIdType *sendLengths, vtkIdType *offsets,
               vtkIdType recvLength, int srcProcessId) {
    return this->ScatterVVoidArray(sendBuffer, recvBuffer,
                                   sendLengths, offsets, recvLength,
                                   VTK_FLOAT, srcProcessId);
  }
  int ScatterV(const double *sendBuffer, double *recvBuffer,
               vtkIdType *sendLengths, vtkIdType *offsets,
               vtkIdType recvLength, int srcProcessId) {
    return this->ScatterVVoidArray(sendBuffer, recvBuffer,
                                   sendLengths, offsets, recvLength,
                                   VTK_DOUBLE, srcProcessId);
  }
  int ScatterV(const long long *sendBuffer, long long *recvBuffer,
               vtkIdType *sendLengths, vtkIdType *offsets,
               vtkIdType recvLength, int srcProcessId) {
    return this->ScatterVVoidArray(sendBuffer, recvBuffer,
                                   sendLengths, offsets, recvLength,
                                   VTK_LONG_LONG, srcProcessId);
  }
  int ScatterV(const unsigned long long *sendBuffer, unsigned long long *recvBuffer,
               vtkIdType *sendLengths, vtkIdType *offsets,
               vtkIdType recvLength, int srcProcessId) {
    return this->ScatterVVoidArray(sendBuffer, recvBuffer,
                                   sendLengths, offsets, recvLength,
                                   VTK_UNSIGNED_LONG_LONG, srcProcessId);
  }


  int AllGather(const int *sendBuffer, int *recvBuffer, vtkIdType length) {
    return this->AllGatherVoidArray(sendBuffer, recvBuffer, length, VTK_INT);
  }
  int AllGather(const unsigned int *sendBuffer, unsigned int *recvBuffer,
                vtkIdType length) {
    return this->AllGatherVoidArray(sendBuffer, recvBuffer, length,
                                    VTK_UNSIGNED_INT);
  }
  int AllGather(const short *sendBuffer, short *recvBuffer, vtkIdType length) {
    return this->AllGatherVoidArray(sendBuffer, recvBuffer, length, VTK_SHORT);
  }
  int AllGather(const unsigned short *sendBuffer, unsigned short *recvBuffer,
                vtkIdType length) {
    return this->AllGatherVoidArray(sendBuffer, recvBuffer, length,
                                    VTK_UNSIGNED_SHORT);
  }
  int AllGather(const long *sendBuffer, long *recvBuffer, vtkIdType length) {
    return this->AllGatherVoidArray(sendBuffer, recvBuffer, length, VTK_LONG);
  }
  int AllGather(const unsigned long *sendBuffer,
                unsigned long *recvBuffer, vtkIdType length) {
    return this->AllGatherVoidArray(sendBuffer, recvBuffer, length,
                                    VTK_UNSIGNED_LONG);
  }
  int AllGather(const unsigned char *sendBuffer,
                unsigned char *recvBuffer, vtkIdType length) {
    return this->AllGatherVoidArray(sendBuffer, recvBuffer, length,
                                    VTK_UNSIGNED_CHAR);
  }
  int AllGather(const char *sendBuffer, char *recvBuffer, vtkIdType length) {
    return this->AllGatherVoidArray(sendBuffer, recvBuffer, length, VTK_CHAR);
  }
  int AllGather(const signed char *sendBuffer, signed char *recvBuffer,
                vtkIdType length) {
    return this->AllGatherVoidArray(sendBuffer, recvBuffer, length,
                                    VTK_SIGNED_CHAR);
  }
  int AllGather(const float *sendBuffer, float *recvBuffer, vtkIdType length) {
    return this->AllGatherVoidArray(sendBuffer, recvBuffer, length, VTK_FLOAT);
  }
  int AllGather(const double *sendBuffer,
                double *recvBuffer, vtkIdType length) {
    return this->AllGatherVoidArray(sendBuffer, recvBuffer, length, VTK_DOUBLE);
  }
  int AllGather(const long long *sendBuffer, long long *recvBuffer,
                vtkIdType length) {
    return this->AllGatherVoidArray(sendBuffer, recvBuffer, length,
                                    VTK_LONG_LONG);
  }
  int AllGather(const unsigned long long *sendBuffer,
                unsigned long long *recvBuffer, vtkIdType length) {
    return this->AllGatherVoidArray(sendBuffer, recvBuffer, length,
                                    VTK_UNSIGNED_LONG_LONG);
  }
  int AllGather(vtkDataArray *sendBuffer, vtkDataArray *recvBuffer);


  int AllGatherV(const int* sendBuffer, int* recvBuffer,
                 vtkIdType sendLength, vtkIdType* recvLengths,
                 vtkIdType* offsets) {
    return this->AllGatherVVoidArray(sendBuffer, recvBuffer,
                                     sendLength, recvLengths,
                                     offsets, VTK_INT);
  }
  int AllGatherV(const unsigned int* sendBuffer, unsigned int* recvBuffer,
                 vtkIdType sendLength, vtkIdType* recvLengths,
                 vtkIdType* offsets) {
    return this->AllGatherVVoidArray(sendBuffer, recvBuffer,
                                     sendLength, recvLengths,
                                     offsets, VTK_UNSIGNED_INT);
  }
  int AllGatherV(const short* sendBuffer, short* recvBuffer,
                 vtkIdType sendLength, vtkIdType* recvLengths,
                 vtkIdType* offsets) {
    return this->AllGatherVVoidArray(sendBuffer, recvBuffer,
                                     sendLength, recvLengths,
                                     offsets, VTK_SHORT);
  }
  int AllGatherV(const unsigned short* sendBuffer, unsigned short* recvBuffer,
                 vtkIdType sendLength, vtkIdType* recvLengths,
                 vtkIdType* offsets) {
    return this->AllGatherVVoidArray(sendBuffer, recvBuffer,
                                     sendLength, recvLengths,
                                     offsets, VTK_UNSIGNED_SHORT);
  }
  int AllGatherV(const long* sendBuffer, long* recvBuffer,
                 vtkIdType sendLength, vtkIdType* recvLengths,
                 vtkIdType* offsets) {
    return this->AllGatherVVoidArray(sendBuffer, recvBuffer,
                                     sendLength, recvLengths,
                                     offsets, VTK_LONG);
  }
  int AllGatherV(const unsigned long* sendBuffer, unsigned long* recvBuffer,
                 vtkIdType sendLength, vtkIdType* recvLengths,
                 vtkIdType* offsets) {
    return this->AllGatherVVoidArray(sendBuffer, recvBuffer,
                                     sendLength, recvLengths,
                                     offsets, VTK_UNSIGNED_LONG);
  }
  int AllGatherV(const unsigned char* sendBuffer, unsigned char* recvBuffer,
                 vtkIdType sendLength, vtkIdType* recvLengths,
                 vtkIdType* offsets) {
    return this->AllGatherVVoidArray(sendBuffer, recvBuffer,
                                     sendLength, recvLengths,
                                     offsets, VTK_UNSIGNED_CHAR);
  }
  int AllGatherV(const char* sendBuffer, char* recvBuffer,
                 vtkIdType sendLength, vtkIdType* recvLengths,
                 vtkIdType* offsets) {
    return this->AllGatherVVoidArray(sendBuffer, recvBuffer,
                                     sendLength, recvLengths,
                                     offsets, VTK_CHAR);
  }
  int AllGatherV(const signed char* sendBuffer, signed char* recvBuffer,
                 vtkIdType sendLength, vtkIdType* recvLengths,
                 vtkIdType* offsets) {
    return this->AllGatherVVoidArray(sendBuffer, recvBuffer,
                                     sendLength, recvLengths,
                                     offsets, VTK_UNSIGNED_CHAR);
  }
  int AllGatherV(const float* sendBuffer, float* recvBuffer,
                 vtkIdType sendLength, vtkIdType* recvLengths,
                 vtkIdType* offsets) {
    return this->AllGatherVVoidArray(sendBuffer, recvBuffer,
                                     sendLength, recvLengths,
                                     offsets, VTK_FLOAT);
  }
  int AllGatherV(const double* sendBuffer, double* recvBuffer,
                 vtkIdType sendLength, vtkIdType* recvLengths,
                 vtkIdType* offsets) {
    return this->AllGatherVVoidArray(sendBuffer, recvBuffer,
                                     sendLength, recvLengths,
                                     offsets, VTK_DOUBLE);
  }
  int AllGatherV(const long long* sendBuffer, long long* recvBuffer,
                 vtkIdType sendLength, vtkIdType* recvLengths,
                 vtkIdType* offsets) {
    return this->AllGatherVVoidArray(sendBuffer, recvBuffer,
                                     sendLength, recvLengths,
                                     offsets, VTK_LONG_LONG);
  }
  int AllGatherV(const unsigned long long* sendBuffer, unsigned long long* recvBuffer,
                 vtkIdType sendLength, vtkIdType* recvLengths,
                 vtkIdType* offsets) {
    return this->AllGatherVVoidArray(sendBuffer, recvBuffer,
                                     sendLength, recvLengths,
                                     offsets, VTK_UNSIGNED_LONG_LONG);
  }
  int AllGatherV(vtkDataArray *sendBuffer, vtkDataArray *recvBuffer,
                 vtkIdType *recvLengths, vtkIdType *offsets);
  int AllGatherV(vtkDataArray *sendBuffer, vtkDataArray *recvBuffer);


  int Reduce(const int *sendBuffer, int *recvBuffer,
             vtkIdType length, int operation, int destProcessId) {
    return this->ReduceVoidArray(sendBuffer, recvBuffer, length,
                                 VTK_INT, operation, destProcessId);
  }
  int Reduce(const unsigned int *sendBuffer, unsigned int *recvBuffer,
             vtkIdType length, int operation, int destProcessId) {
    return this->ReduceVoidArray(sendBuffer, recvBuffer, length,
                                 VTK_UNSIGNED_INT, operation, destProcessId);
  }
  int Reduce(const short *sendBuffer, short *recvBuffer,
             vtkIdType length, int operation, int destProcessId) {
    return this->ReduceVoidArray(sendBuffer, recvBuffer, length,
                                 VTK_SHORT, operation, destProcessId);
  }
  int Reduce(const unsigned short *sendBuffer, unsigned short *recvBuffer,
             vtkIdType length, int operation, int destProcessId) {
    return this->ReduceVoidArray(sendBuffer, recvBuffer, length,
                                 VTK_UNSIGNED_SHORT, operation, destProcessId);
  }
  int Reduce(const long *sendBuffer, long *recvBuffer,
             vtkIdType length, int operation, int destProcessId) {
    return this->ReduceVoidArray(sendBuffer, recvBuffer, length,
                                 VTK_LONG, operation, destProcessId);
  }
  int Reduce(const unsigned long *sendBuffer, unsigned long *recvBuffer,
             vtkIdType length, int operation, int destProcessId) {
    return this->ReduceVoidArray(sendBuffer, recvBuffer, length,
                                 VTK_UNSIGNED_LONG, operation, destProcessId);
  }
  int Reduce(const unsigned char *sendBuffer, unsigned char *recvBuffer,
             vtkIdType length, int operation, int destProcessId) {
    return this->ReduceVoidArray(sendBuffer, recvBuffer, length,
                                 VTK_UNSIGNED_CHAR, operation, destProcessId);
  }
  int Reduce(const char *sendBuffer, char *recvBuffer,
             vtkIdType length, int operation, int destProcessId) {
    return this->ReduceVoidArray(sendBuffer, recvBuffer, length,
                                 VTK_CHAR, operation, destProcessId);
  }
  int Reduce(const signed char *sendBuffer, signed char *recvBuffer,
             vtkIdType length, int operation, int destProcessId) {
    return this->ReduceVoidArray(sendBuffer, recvBuffer, length,
                                 VTK_SIGNED_CHAR, operation, destProcessId);
  }
  int Reduce(const float *sendBuffer, float *recvBuffer,
             vtkIdType length, int operation, int destProcessId) {
    return this->ReduceVoidArray(sendBuffer, recvBuffer, length,
                                 VTK_FLOAT, operation, destProcessId);
  }
  int Reduce(const double *sendBuffer, double *recvBuffer,
             vtkIdType length, int operation, int destProcessId) {
    return this->ReduceVoidArray(sendBuffer, recvBuffer, length,
                                 VTK_DOUBLE, operation, destProcessId);
  }
  int Reduce(const long long *sendBuffer, long long *recvBuffer,
             vtkIdType length, int operation, int destProcessId) {
    return this->ReduceVoidArray(sendBuffer, recvBuffer, length,
                                 VTK_LONG_LONG, operation, destProcessId);
  }
  int Reduce(const unsigned long long *sendBuffer, unsigned long long *recvBuffer,
             vtkIdType length, int operation, int destProcessId) {
    return this->ReduceVoidArray(sendBuffer, recvBuffer, length,
                                 VTK_UNSIGNED_LONG_LONG, operation, destProcessId);
  }
  int Reduce(vtkDataArray *sendBuffer, vtkDataArray *recvBuffer,
             int operation, int destProcessId);


  int Reduce(const int *sendBuffer, int *recvBuffer,
             vtkIdType length, Operation *operation, int destProcessId) {
    return this->ReduceVoidArray(sendBuffer, recvBuffer, length,
                                 VTK_INT, operation, destProcessId);
  }
  int Reduce(const unsigned int *sendBuffer, unsigned int *recvBuffer,
             vtkIdType length, Operation *operation, int destProcessId) {
    return this->ReduceVoidArray(sendBuffer, recvBuffer, length,
                                 VTK_UNSIGNED_INT, operation, destProcessId);
  }
  int Reduce(const short *sendBuffer, short *recvBuffer,
             vtkIdType length, Operation *operation, int destProcessId) {
    return this->ReduceVoidArray(sendBuffer, recvBuffer, length,
                                 VTK_SHORT, operation, destProcessId);
  }
  int Reduce(const unsigned short *sendBuffer, unsigned short *recvBuffer,
             vtkIdType length, Operation *operation, int destProcessId) {
    return this->ReduceVoidArray(sendBuffer, recvBuffer, length,
                                 VTK_UNSIGNED_SHORT, operation, destProcessId);
  }
  int Reduce(const long *sendBuffer, long *recvBuffer,
             vtkIdType length, Operation *operation, int destProcessId) {
    return this->ReduceVoidArray(sendBuffer, recvBuffer, length,
                                 VTK_LONG, operation, destProcessId);
  }
  int Reduce(const unsigned long *sendBuffer, unsigned long *recvBuffer,
             vtkIdType length, Operation *operation, int destProcessId) {
    return this->ReduceVoidArray(sendBuffer, recvBuffer, length,
                                 VTK_UNSIGNED_LONG, operation, destProcessId);
  }
  int Reduce(const unsigned char *sendBuffer, unsigned char *recvBuffer,
             vtkIdType length, Operation *operation, int destProcessId) {
    return this->ReduceVoidArray(sendBuffer, recvBuffer, length,
                                 VTK_UNSIGNED_CHAR, operation, destProcessId);
  }
  int Reduce(const char *sendBuffer, char *recvBuffer,
             vtkIdType length, Operation *operation, int destProcessId) {
    return this->ReduceVoidArray(sendBuffer, recvBuffer, length,
                                 VTK_CHAR, operation, destProcessId);
  }
  int Reduce(const signed char *sendBuffer, signed char *recvBuffer,
             vtkIdType length, Operation *operation, int destProcessId) {
    return this->ReduceVoidArray(sendBuffer, recvBuffer, length,
                                 VTK_SIGNED_CHAR, operation, destProcessId);
  }
  int Reduce(const float *sendBuffer, float *recvBuffer,
             vtkIdType length, Operation *operation, int destProcessId) {
    return this->ReduceVoidArray(sendBuffer, recvBuffer, length,
                                 VTK_FLOAT, operation, destProcessId);
  }
  int Reduce(const double *sendBuffer, double *recvBuffer,
             vtkIdType length, Operation *operation, int destProcessId) {
    return this->ReduceVoidArray(sendBuffer, recvBuffer, length,
                                 VTK_DOUBLE, operation, destProcessId);
  }
  int Reduce(const long long *sendBuffer, long long *recvBuffer,
             vtkIdType length, Operation *operation, int destProcessId) {
    return this->ReduceVoidArray(sendBuffer, recvBuffer, length,
                                 VTK_LONG_LONG, operation, destProcessId);
  }
  int Reduce(const unsigned long long *sendBuffer, unsigned long long *recvBuffer,
             vtkIdType length, Operation *operation, int destProcessId) {
    return this->ReduceVoidArray(sendBuffer, recvBuffer, length,
                                 VTK_UNSIGNED_LONG_LONG, operation, destProcessId);
  }
  int Reduce(vtkDataArray *sendBuffer, vtkDataArray *recvBuffer,
             Operation *operation, int destProcessId);


  int AllReduce(const int *sendBuffer, int *recvBuffer,
                vtkIdType length, int operation) {
    return this->AllReduceVoidArray(sendBuffer, recvBuffer, length,
                                    VTK_INT, operation);
  }
  int AllReduce(const unsigned int *sendBuffer, unsigned int *recvBuffer,
                vtkIdType length, int operation) {
    return this->AllReduceVoidArray(sendBuffer, recvBuffer, length,
                                    VTK_UNSIGNED_INT, operation);
  }
  int AllReduce(const short *sendBuffer, short *recvBuffer,
                vtkIdType length, int operation) {
    return this->AllReduceVoidArray(sendBuffer, recvBuffer, length,
                                    VTK_SHORT, operation);
  }
  int AllReduce(const unsigned short *sendBuffer, unsigned short *recvBuffer,
                vtkIdType length, int operation) {
    return this->AllReduceVoidArray(sendBuffer, recvBuffer, length,
                                    VTK_UNSIGNED_SHORT, operation);
  }
  int AllReduce(const long *sendBuffer, long *recvBuffer,
                vtkIdType length, int operation) {
    return this->AllReduceVoidArray(sendBuffer, recvBuffer, length,
                                    VTK_LONG, operation);
  }
  int AllReduce(const unsigned long *sendBuffer, unsigned long *recvBuffer,
                vtkIdType length, int operation) {
    return this->AllReduceVoidArray(sendBuffer, recvBuffer, length,
                                    VTK_UNSIGNED_LONG, operation);
  }
  int AllReduce(const unsigned char *sendBuffer, unsigned char *recvBuffer,
                vtkIdType length, int operation) {
    return this->AllReduceVoidArray(sendBuffer, recvBuffer, length,
                                    VTK_UNSIGNED_CHAR, operation);
  }
  int AllReduce(const char *sendBuffer, char *recvBuffer,
                vtkIdType length, int operation) {
    return this->AllReduceVoidArray(sendBuffer, recvBuffer, length,
                                    VTK_CHAR, operation);
  }
  int AllReduce(const signed char *sendBuffer, signed char *recvBuffer,
                vtkIdType length, int operation) {
    return this->AllReduceVoidArray(sendBuffer, recvBuffer, length,
                                    VTK_SIGNED_CHAR, operation);
  }
  int AllReduce(const float *sendBuffer, float *recvBuffer,
                vtkIdType length, int operation) {
    return this->AllReduceVoidArray(sendBuffer, recvBuffer, length,
                                    VTK_FLOAT, operation);
  }
  int AllReduce(const double *sendBuffer, double *recvBuffer,
                vtkIdType length, int operation) {
    return this->AllReduceVoidArray(sendBuffer, recvBuffer, length,
                                    VTK_DOUBLE, operation);
  }
  int AllReduce(const long long *sendBuffer, long long *recvBuffer,
                vtkIdType length, int operation) {
    return this->AllReduceVoidArray(sendBuffer, recvBuffer, length,
                                    VTK_LONG_LONG, operation);
  }
  int AllReduce(const unsigned long long *sendBuffer, unsigned long long *recvBuffer,
                vtkIdType length, int operation) {
    return this->AllReduceVoidArray(sendBuffer, recvBuffer, length,
                                    VTK_UNSIGNED_LONG_LONG, operation);
  }
  int AllReduce(vtkDataArray *sendBuffer, vtkDataArray *recvBuffer,
                int operation);
  int AllReduce(const int *sendBuffer, int *recvBuffer,
                vtkIdType length, Operation *operation) {
    return this->AllReduceVoidArray(sendBuffer, recvBuffer, length,
                                    VTK_INT, operation);
  }
  int AllReduce(const unsigned int *sendBuffer, unsigned int *recvBuffer,
                vtkIdType length, Operation *operation) {
    return this->AllReduceVoidArray(sendBuffer, recvBuffer, length,
                                    VTK_UNSIGNED_INT, operation);
  }
  int AllReduce(const short *sendBuffer, short *recvBuffer,
                vtkIdType length, Operation *operation) {
    return this->AllReduceVoidArray(sendBuffer, recvBuffer, length,
                                    VTK_SHORT, operation);
  }
  int AllReduce(const unsigned short *sendBuffer, unsigned short *recvBuffer,
                vtkIdType length, Operation *operation) {
    return this->AllReduceVoidArray(sendBuffer, recvBuffer, length,
                                    VTK_UNSIGNED_SHORT, operation);
  }
  int AllReduce(const long *sendBuffer, long *recvBuffer,
                vtkIdType length, Operation *operation) {
    return this->AllReduceVoidArray(sendBuffer, recvBuffer, length,
                                    VTK_LONG, operation);
  }
  int AllReduce(const unsigned long *sendBuffer, unsigned long *recvBuffer,
                vtkIdType length, Operation *operation) {
    return this->AllReduceVoidArray(sendBuffer, recvBuffer, length,
                                    VTK_UNSIGNED_LONG, operation);
  }
  int AllReduce(const unsigned char *sendBuffer, unsigned char *recvBuffer,
                vtkIdType length, Operation *operation) {
    return this->AllReduceVoidArray(sendBuffer, recvBuffer, length,
                                    VTK_UNSIGNED_CHAR, operation);
  }
  int AllReduce(const char *sendBuffer, char *recvBuffer,
                vtkIdType length, Operation *operation) {
    return this->AllReduceVoidArray(sendBuffer, recvBuffer, length,
                                    VTK_CHAR, operation);
  }
  int AllReduce(const signed char *sendBuffer, signed char *recvBuffer,
                vtkIdType length, Operation *operation) {
    return this->AllReduceVoidArray(sendBuffer, recvBuffer, length,
                                    VTK_SIGNED_CHAR, operation);
  }
  int AllReduce(const float *sendBuffer, float *recvBuffer,
                vtkIdType length, Operation *operation) {
    return this->AllReduceVoidArray(sendBuffer, recvBuffer, length,
                                    VTK_FLOAT, operation);
  }
  int AllReduce(const double *sendBuffer, double *recvBuffer,
                vtkIdType length, Operation *operation) {
    return this->AllReduceVoidArray(sendBuffer, recvBuffer, length,
                                    VTK_DOUBLE, operation);
  }
  int AllReduce(const long long *sendBuffer, long long *recvBuffer,
                vtkIdType length, Operation *operation) {
    return this->AllReduceVoidArray(sendBuffer, recvBuffer, length,
                                    VTK_LONG_LONG, operation);
  }
  int AllReduce(const unsigned long long *sendBuffer, unsigned long long *recvBuffer,
                vtkIdType length, Operation *operation) {
    return this->AllReduceVoidArray(sendBuffer, recvBuffer, length,
                                    VTK_UNSIGNED_LONG_LONG, operation);
  }
  int AllReduce(vtkDataArray *sendBuffer, vtkDataArray *recvBuffer,
                Operation *operation);


  virtual int BroadcastVoidArray(void *data, vtkIdType length, int type,
                                 int srcProcessId);
  virtual int GatherVoidArray(const void *sendBuffer, void *recvBuffer,
                              vtkIdType length, int type, int destProcessId);
  virtual int GatherVVoidArray(const void *sendBuffer, void *recvBuffer,
                               vtkIdType sendLength, vtkIdType *recvLengths,
                               vtkIdType *offsets, int type, int destProcessId);
  virtual int ScatterVoidArray(const void *sendBuffer, void *recvBuffer,
                               vtkIdType length, int type, int srcProcessId);
  virtual int ScatterVVoidArray(const void *sendBuffer, void *recvBuffer,
                                vtkIdType *sendLengths, vtkIdType *offsets,
                                vtkIdType recvLength, int type,
                                int srcProcessId);
  virtual int AllGatherVoidArray(const void *sendBuffer, void *recvBuffer,
                                 vtkIdType length, int type);
  virtual int AllGatherVVoidArray(const void *sendBuffer, void *recvBuffer,
                                  vtkIdType sendLength, vtkIdType *recvLengths,
                                  vtkIdType *offsets, int type);
  virtual int ReduceVoidArray(const void *sendBuffer, void *recvBuffer,
                              vtkIdType length, int type,
                              int operation, int destProcessId);
  virtual int ReduceVoidArray(const void *sendBuffer, void *recvBuffer,
                              vtkIdType length, int type,
                              Operation *operation, int destProcessId);
  virtual int AllReduceVoidArray(const void *sendBuffer, void *recvBuffer,
                                 vtkIdType length, int type,
                                 int operation);
  virtual int AllReduceVoidArray(const void *sendBuffer, void *recvBuffer,
                                 vtkIdType length, int type,
                                 Operation *operation);

  static void SetUseCopy(int useCopy);

  virtual int ComputeGlobalBounds(int processorId, int numProcesses,
                                  vtkBoundingBox *bounds,
                                  int *rightHasBounds = nullptr,
                                  int *leftHasBounds = nullptr,
                                  int hasBoundsTag = 288402,
                                  int localBoundsTag = 288403,
                                  int globalBoundsTag = 288404);


  static int GetParentProcessor(int pid);
  static int GetLeftChildProcessor(int pid);


  static int MarshalDataObject(vtkDataObject *object, vtkCharArray *buffer);
  static int UnMarshalDataObject(vtkCharArray *buffer, vtkDataObject *object);

  static vtkSmartPointer<vtkDataObject> UnMarshalDataObject(vtkCharArray* buffer);

protected:

  int WriteDataArray(vtkDataArray *object);
  int ReadDataArray(vtkDataArray *object);

  vtkCommunicator();
  ~vtkCommunicator() override;

  // Internal methods called by Send/Receive(vtkDataObject *... ) above.
  int SendElementalDataObject(vtkDataObject* data, int remoteHandle, int tag);

  int GatherV(vtkDataArray *sendArray, vtkDataArray* recvArray,
              vtkSmartPointer<vtkDataArray>* recvArrays, int destProcessId);
  int GatherVElementalDataObject(vtkDataObject* sendData,
                                 vtkSmartPointer<vtkDataObject>* receiveData,
                                 int destProcessId);

  int ReceiveDataObject(vtkDataObject* data,
                        int remoteHandle, int tag, int type=-1);
  int ReceiveElementalDataObject(vtkDataObject* data,
                                 int remoteHandle, int tag);
  int ReceiveMultiBlockDataSet(
    vtkMultiBlockDataSet* data, int remoteHandle, int tag);

  int MaximumNumberOfProcesses;
  int NumberOfProcesses;

  int LocalProcessId;

  static int UseCopy;

  vtkIdType Count;

private:
  vtkCommunicator(const vtkCommunicator&) = delete;
  void operator=(const vtkCommunicator&) = delete;
};

#endif // vtkCommunicator_h
// VTK-HeaderTest-Exclude: vtkCommunicator.h