petsc-3.7.1 2016-05-15
PetscFOpen
Has the first process in the communicator open a file; all others do nothing.
Synopsis
PetscErrorCode PetscFOpen(MPI_Comm comm,const char name[],const char mode[],FILE **fp)
Logically Collective on MPI_Comm Many br
Input Parameters
| comm | - the communicator Many br |
| name | - the filename Many br |
| mode | - the mode for fopen(), usually "w" Many br |
Output Parameter
fp -the file pointer Many br
Many br
Notes
NULL (0), "stderr" or "stdout" may be passed in as the filename Many br
Fortran Note
This routine is not supported in Fortran. Many br
See Also
PetscFClose(), PetscSynchronizedFGets(), PetscSynchronizedPrintf(), PetscSynchronizedFlush(),
PetscFPrintf() Many br
Level:developer
Location:src/sys/fileio/mpiuopen.c
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages
Examples
src/sys/classes/random/examples/tutorials/ex2.c.html
src/ksp/ksp/examples/tutorials/ex43.c.html
src/ksp/ksp/examples/tutorials/ex49.c.html