PETSc version 3.16.6

PetscViewerASCIIGetStderr

Creates a ASCII PetscViewer shared by all processors in a communicator. Error returning version of PETSC_VIEWER_STDERR_()

#include "petscviewer.h"   
PetscErrorCode  PetscViewerASCIIGetStderr(MPI_Comm comm,PetscViewer *viewer)

Collective

comm

- the MPI communicator to share the PetscViewer

This should be used in all PETSc source code instead of PETSC_VIEWER_STDERR_()

beginner