petsc-3.13.6 2020-09-29
PetscViewerBinaryOpen
Opens a file for binary input/output.
Synopsis
#include "petscviewer.h"
PetscErrorCode PetscViewerBinaryOpen(MPI_Comm comm,const char name[],PetscFileMode mode,PetscViewer *viewer)
Collective
Input Parameters
| comm | - MPI communicator
|
| name | - name of file
|
| mode | - open mode of file
|
FILE_MODE_WRITE - create new file for binary output
FILE_MODE_READ - open existing file for binary input
FILE_MODE_APPEND - open existing file for binary output
Output Parameter
viewer -PetscViewer for binary input/output to use with the specified file
Options Database Keys
| -viewer_binary_filename <name> | -
|
| -viewer_binary_skip_info | -
|
| -viewer_binary_skip_options | -
|
| -viewer_binary_skip_header | -
|
| -viewer_binary_mpiio | -
|
Note
This PetscViewer should be destroyed with PetscViewerDestroy().
For reading files, the filename may begin with ftp:// or http:// and/or
end with .gz; in this case file is brought over and uncompressed.
For creating files, if the file name ends with .gz it is automatically
compressed when closed.
See Also
PetscViewerASCIIOpen(), PetscViewerPushFormat(), PetscViewerDestroy(),
VecView(), MatView(), VecLoad(), MatLoad(), PetscViewerBinaryGetDescriptor(),
PetscViewerBinaryGetInfoPointer(), PetscFileMode, PetscViewer, PetscViewerBinaryRead(), PetscViewerBinarySetUseMPIIO(),
PetscViewerBinaryGetUseMPIIO(), PetscViewerBinaryGetMPIIOOffset()
Level
beginner
Location
src/sys/classes/viewer/impls/binary/binv.c
Examples
src/sys/classes/viewer/tutorials/ex1f90.F90.html
src/sys/tutorials/ex5.c.html
src/sys/tutorials/ex5f90.F90.html
src/vec/vec/tutorials/ex5.c.html
src/vec/vec/tutorials/ex6.c.html
src/vec/vec/tutorials/ex10.c.html
src/vec/vec/tutorials/ex5f.F90.html
src/vec/vec/tutorials/ex6f.F90.html
src/mat/tutorials/ex1.c.html
src/mat/tutorials/ex12.c.html
src/mat/tutorials/ex16.c.html
Index of all Viewer routines
Table of Contents for all manual pages
Index of all manual pages