1! Tests calling PetscOptionsSetValue() before PetscInitialize(): Fortran Example 2#include <petsc/finclude/petscsys.h> 3program main 4 use petscsys 5 6 implicit none 7 PetscErrorCode :: ierr 8 PetscMPIInt :: rank, size 9 character(len=80) :: outputString 10 11 ! Every PETSc routine should begin with the PetscInitialize() routine. 12 13 PetscCallA(PetscOptionsSetValue(PETSC_NULL_OPTIONS, '-no_signal_handler', 'true', ierr)) 14 PetscCallA(PetscInitialize(ierr)) 15 16 ! We can now change the communicator universe for PETSc 17 18 PetscCallMPIA(MPI_Comm_size(MPI_COMM_WORLD, size, ierr)) 19 PetscCallMPIA(MPI_Comm_rank(MPI_COMM_WORLD, rank, ierr)) 20 write (outputString, *) 'Number of processors =', size, 'rank =', rank, '\n' 21 PetscCallA(PetscPrintf(PETSC_COMM_WORLD, outputString, ierr)) 22 PetscCallA(PetscFinalize(ierr)) 23end program main 24 25!/*TEST 26! 27! test: 28! requires: defined(PETSC_USE_LOG) 29! nsize: 2 30! args: -options_view -get_total_flops 31! filter: grep -E -v "(Total flops)" 32! 33!TEST*/ 34