petsc-3.13.6 2020-09-29
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
Input Parameters
| comm | - the communicator
|
| name | - the filename
|
| mode | - the mode for fopen(), usually "w"
|
Output Parameter
fp -the file pointer
Notes
NULL (0), "stderr" or "stdout" may be passed in as the filename
Fortran Note
This routine is not supported in Fortran.
See Also
PetscFClose(), PetscSynchronizedFGets(), PetscSynchronizedPrintf(), PetscSynchronizedFlush(),
PetscFPrintf()
Level
developer
Location
src/sys/fileio/mpiuopen.c
Examples
src/sys/classes/random/tutorials/ex2.c.html
src/ksp/ksp/tutorials/ex43.c.html
src/ksp/ksp/tutorials/ex49.c.html
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages