petsc-3.8.4 2018-03-24
PetscViewerBinaryGetUseMPIIO
Returns PETSC_TRUE if the binary viewer uses MPI-IO.
Synopsis
#include "petscviewer.h"
PetscErrorCode PetscViewerBinaryGetUseMPIIO(PetscViewer viewer,PetscBool *flg)
Not Collective
Input Parameter
viewer -PetscViewer context, obtained from PetscViewerBinaryOpen()
Output Parameter
flg -PETSC_TRUE if MPI-IO is being used
Options Database
-viewer_binary_mpiio : Flag for using MPI-IO
Note
If MPI-IO is not available, this function will always return PETSC_FALSE
Fortran Note
This routine is not supported in Fortran.
See Also
PetscViewerBinaryOpen(), PetscViewerBinaryGetInfoPointer(), PetscViewerBinarySetUseMPIIO(), PetscViewerBinaryGetMPIIOOffset()
Level:advanced
Location:src/sys/classes/viewer/impls/binary/binv.c
Index of all Viewer routines
Table of Contents for all manual pages
Index of all manual pages
Examples
src/dm/examples/tutorials/ex15.c.html