PetscFOpen#
Has the first process in the MPI communicator open a file; all others do nothing.
Synopsis#
#include "petscsys.h"
PetscErrorCode PetscFOpen(MPI_Comm comm, const char name[], const char mode[], FILE **fp)
Logically Collective
Input Parameters#
comm - the MPI communicator
name - the filename
mode - the mode for
fopen(), usually “w”
Output Parameter#
fp - the file pointer
Note#
NULL, “stderr” or “stdout” may be passed in as the filename
See Also#
PetscFClose(), PetscSynchronizedFGets(), PetscSynchronizedPrintf(), PetscSynchronizedFlush(),
PetscFPrintf()
Level#
developer
Location#
Examples#
src/ksp/ksp/tutorials/ex49.c
src/sys/classes/random/tutorials/ex2.c
src/ksp/ksp/tutorials/ex43.c
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages