PetscFPrintf#

Prints to a file, only from the first MPI process in the communicator.

Synopsis#

PetscErrorCode PetscFPrintf(MPI_Comm comm, FILE *fd, const char format[], ...)

Not Collective

Input Parameters#

  • comm - the MPI communicator

  • fd - the file pointer, PETSC_STDOUT or value obtained from PetscFOpen()

  • format - the usual printf() format string

Fortran Note#

The call sequence is PetscFPrintf(MPI_Comm, fp, character(*), PetscErrorCode ierr). That is, you can only pass a single character string from Fortran.

Developer Notes#

This maybe, and is, called from PETSc error handlers and PetscMallocValidate() hence it does not use PetscCallMPI() which could recursively restart the malloc validation.

See Also#

PetscPrintf(), PetscSynchronizedPrintf(), PetscViewerASCIIPrintf(), PetscViewerASCIISynchronizedPrintf(), PetscSynchronizedFlush(), PetscFFlush()

Level#

intermediate

Location#

src/sys/fileio/mprint.c

Examples#

src/ksp/ksp/tutorials/ex42.c
src/ksp/ksp/tutorials/ex49.c
src/ksp/ksp/tutorials/ex43.c

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