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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkMPIUtilities_h
#define vtkMPIUtilities_h
#include "vtkParallelMPIModule.h" // For export macro
// Forward declarations
VTK_ABI_NAMESPACE_BEGIN
class vtkMPIController;
VTK_ABI_NAMESPACE_END
namespace vtkMPIUtilities
{
VTK_ABI_NAMESPACE_BEGIN
// Description:
// Rank 0 prints the user-supplied formatted message to stdout.
// This method works just like printf, but, requires an additional
// argument to specify the MPI controller for the application.
// NOTE: This is a collective operation, all ranks in the given communicator
// must call this method.
VTKPARALLELMPI_EXPORT
void Printf(vtkMPIController* comm, const char* format, ...);
// Description:
// Each rank, r_0 to r_{N-1}, prints the formatted message to stdout in
// rank order. That is, r_i prints the supplied message right after r_{i-1}.
// NOTE: This is a collective operation, all ranks in the given communicator
// must call this method.
VTKPARALLELMPI_EXPORT
void SynchronizedPrintf(vtkMPIController* comm, const char* format, ...);
VTK_ABI_NAMESPACE_END
} // END namespace vtkMPIUtilities
#endif // vtkMPIUtilities_h
// VTK-HeaderTest-Exclude: vtkMPIUtilities.h
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