PetscViewerBinaryGetUseMPIIO#

Returns PETSC_TRUE if the binary viewer uses MPI-IO.

Synopsis#

#include "petscviewer.h"   
PetscErrorCode PetscViewerBinaryGetUseMPIIO(PetscViewer viewer, PetscBool *use)

Not Collective

Input Parameter#

viewer - PetscViewer context, obtained from PetscViewerBinaryOpen(); must be a PETSCVIEWERBINARY

Output Parameter#

use - PETSC_TRUE if MPI-IO is being used

Note#

If MPI-IO is not available, this function will always return PETSC_FALSE

See Also#

Viewers: Looking at PETSc Objects, PETSCVIEWERBINARY, PetscViewerBinaryOpen(), PetscViewerBinaryGetInfoPointer(), PetscViewerBinarySetUseMPIIO(), PetscViewerBinaryGetMPIIOOffset()

Level#

advanced

Location#

src/sys/classes/viewer/impls/binary/binv.c

Examples#

src/dm/tutorials/ex15.c

Implementations#

PetscViewerBinaryGetUseMPIIO_Binary in src/sys/classes/viewer/impls/binary/binv.c

Index of all Viewer routines
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Index of all manual pages