destroying unused object causes problem with PETSc 3.9

not clear, why destroying at the end of the program is anyway needed, so removed it

src/DAMASK_spectral.f90

@@ -72,7 +72,6 @@ program DAMASK_spectral
    DAMAGE_nonlocal_ID
  use spectral_utilities, only: &
    utilities_init, &
-   utilities_destroy, &
    tSolutionState, &
    tLoadCase, &
    cutBack, &
@@ -673,23 +672,12 @@ end program DAMASK_spectral
 !> stderr. Exit code 3 signals no severe problems, but some increments did not converge
 !--------------------------------------------------------------------------------------------------
 subroutine quit(stop_id)
+#include <petsc/finclude/petscsys.h>
  use MPI
  use prec, only: &
    pInt
- use spectral_mech_Basic, only: &
-   BasicPETSC_destroy
- use spectral_mech_Polarisation, only: &
-   Polarisation_destroy
- use spectral_damage, only: &
-   spectral_damage_destroy
- use spectral_thermal, only: &
-   spectral_thermal_destroy
- use spectral_utilities, only: &
-   utilities_destroy
-
- implicit none
  
-#include <petsc/finclude/petscsys.h>
+ implicit none
  integer(pInt), intent(in) :: stop_id
  integer, dimension(8) :: dateAndTime                                                               ! type default integer
  integer(pInt) :: error = 0_pInt
@@ -699,12 +687,6 @@ subroutine quit(stop_id)
  external :: &
    PETScFinalize
 
- call BasicPETSC_destroy()
- call Polarisation_destroy()
- call spectral_damage_destroy()
- call spectral_thermal_destroy()
- call utilities_destroy()
-
  call PETScFinalize(ierr)
  if (ierr /= 0) write(6,'(a)') ' Error in PETScFinalize'
 #ifdef _OPENMP

src/spectral_damage.f90

@@ -49,8 +49,7 @@ module spectral_damage
  public :: &
    spectral_damage_init, &
    spectral_damage_solution, &
-   spectral_damage_forward, &
-   spectral_damage_destroy
+   spectral_damage_forward
  external :: &
    PETScErrorF                                                                                      ! is called in the CHKERRQ macro
 
@@ -383,19 +382,6 @@ subroutine spectral_damage_forward()
    call MPI_Allreduce(MPI_IN_PLACE,mobility_ref,1,MPI_DOUBLE,MPI_SUM,PETSC_COMM_WORLD,ierr)
  endif  
 
- end subroutine spectral_damage_forward
-
-!--------------------------------------------------------------------------------------------------
-!> @brief destroy routine
-!--------------------------------------------------------------------------------------------------
-subroutine spectral_damage_destroy()
-
- implicit none
- PetscErrorCode :: ierr
-
- call VecDestroy(solution,ierr); CHKERRQ(ierr)
- call SNESDestroy(damage_snes,ierr); CHKERRQ(ierr)
-
-end subroutine spectral_damage_destroy
+end subroutine spectral_damage_forward
 
 end module spectral_damage

src/spectral_interface.f90

@@ -524,5 +524,4 @@ pure function IIO_stringPos(string)
 
 end function IIO_stringPos
 
-
 end module

src/spectral_mech_Basic.f90

@@ -67,8 +67,7 @@ module spectral_mech_basic
  public :: &
    basicPETSc_init, &
    basicPETSc_solution, &
-   BasicPETSc_forward, &
-   basicPETSc_destroy
+   BasicPETSc_forward
  external :: &
    PETScErrorF                                                                                      ! is called in the CHKERRQ macro
 
@@ -541,20 +540,4 @@ subroutine BasicPETSc_forward(guess,timeinc,timeinc_old,loadCaseTime,deformation
   
 end subroutine BasicPETSc_forward
 
-!--------------------------------------------------------------------------------------------------
-!> @brief destroy routine
-!--------------------------------------------------------------------------------------------------
-subroutine BasicPETSc_destroy()
- use spectral_utilities, only: &
-   Utilities_destroy
-
- implicit none
- PetscErrorCode :: ierr
-
- call VecDestroy(solution_vec,ierr); CHKERRQ(ierr)
- call SNESDestroy(snes,ierr); CHKERRQ(ierr)
- call DMDestroy(da,ierr); CHKERRQ(ierr)
-
-end subroutine BasicPETSc_destroy
-
 end module spectral_mech_basic

src/spectral_mech_Polarisation.f90

@@ -73,8 +73,7 @@ module spectral_mech_Polarisation
  public :: &
    Polarisation_init, &
    Polarisation_solution, &
-   Polarisation_forward, &
-   Polarisation_destroy
+   Polarisation_forward
  external :: &
    PETScErrorF                                                                                      ! is called in the CHKERRQ macro
 
@@ -675,20 +674,4 @@ subroutine Polarisation_forward(guess,timeinc,timeinc_old,loadCaseTime,deformati
 
 end subroutine Polarisation_forward
 
-!--------------------------------------------------------------------------------------------------
-!> @brief destroy routine
-!--------------------------------------------------------------------------------------------------
-subroutine Polarisation_destroy()
- use spectral_utilities, only: &
-   Utilities_destroy
-
- implicit none
- PetscErrorCode :: ierr
-
- call VecDestroy(solution_vec,ierr); CHKERRQ(ierr)
- call SNESDestroy(snes,ierr); CHKERRQ(ierr)
- call DMDestroy(da,ierr); CHKERRQ(ierr)
-
-end subroutine Polarisation_destroy
-
 end module spectral_mech_Polarisation

src/spectral_thermal.f90

@@ -49,8 +49,7 @@ module spectral_thermal
  public :: &
    spectral_thermal_init, &
    spectral_thermal_solution, &
-   spectral_thermal_forward, &
-   spectral_thermal_destroy
+   spectral_thermal_forward
  external :: &
    PETScErrorF                                                                                      ! is called in the CHKERRQ macro
 
@@ -390,19 +389,6 @@ subroutine spectral_thermal_forward()
    call MPI_Allreduce(MPI_IN_PLACE,mobility_ref,1,MPI_DOUBLE,MPI_SUM,PETSC_COMM_WORLD,ierr)
  endif
  
- end subroutine spectral_thermal_forward
-
-!--------------------------------------------------------------------------------------------------
-!> @brief destroy routine
-!--------------------------------------------------------------------------------------------------
-subroutine spectral_thermal_destroy()
-
- implicit none
- PetscErrorCode :: ierr
-
- call VecDestroy(solution,ierr); CHKERRQ(ierr)
- call SNESDestroy(thermal_snes,ierr); CHKERRQ(ierr)
-
-end subroutine spectral_thermal_destroy
+end subroutine spectral_thermal_forward
 
 end module spectral_thermal

src/spectral_utilities.f90

@@ -140,7 +140,6 @@ module spectral_utilities
    utilities_constitutiveResponse, &
    utilities_calculateRate, &
    utilities_forwardField, &
-   utilities_destroy, &
    utilities_updateIPcoords, &
    FIELD_UNDEFINED_ID, &
    FIELD_MECH_ID, &
@@ -1200,21 +1199,4 @@ subroutine utilities_updateIPcoords(F)
 
 end subroutine utilities_updateIPcoords
 
-
-!--------------------------------------------------------------------------------------------------
-!> @brief cleans up
-!--------------------------------------------------------------------------------------------------
-subroutine utilities_destroy()
- implicit none
-
- call fftw_destroy_plan(planTensorForth)
- call fftw_destroy_plan(planTensorBack)
- call fftw_destroy_plan(planVectorForth)
- call fftw_destroy_plan(planVectorBack)
- call fftw_destroy_plan(planScalarForth)
- call fftw_destroy_plan(planScalarBack)
-
-end subroutine utilities_destroy
-
-
 end module spectral_utilities