1! Tests calling PetscOptionsSetValue() before PetscInitialize(): Fortran Example 2 3program main 4#include <petsc/finclude/petscsys.h> 5 use petscmpi ! or mpi or mpi_f08 6 use petscsys 7 8 implicit none 9 PetscErrorCode :: ierr 10 PetscMPIInt :: rank,size 11 character(len=80) :: outputString 12 13 ! Every PETSc routine should begin with the PetscInitialize() routine. 14 15 PetscCallA(PetscOptionsSetValue(PETSC_NULL_OPTIONS,'-no_signal_handler','true',ierr)) 16 PetscCallA(PetscInitialize(ierr)) 17 18 ! We can now change the communicator universe for PETSc 19 20 PetscCallMPIA(MPI_Comm_size(MPI_COMM_WORLD,size,ierr)) 21 PetscCallMPIA(MPI_Comm_rank(MPI_COMM_WORLD,rank,ierr)) 22 write(outputString,*) 'Number of processors =',size,'rank =',rank,'\n' 23 PetscCallA(PetscPrintf(PETSC_COMM_WORLD,outputString,ierr)) 24 PetscCallA(PetscFinalize(ierr)) 25end program main 26 27!/*TEST 28! 29! test: 30! requires: defined(PETSC_USE_LOG) 31! nsize: 2 32! args: -options_view -get_total_flops 33! filter: grep -E -v "(Total flops)" 34! 35!TEST*/ 36