rungvec Subroutine

SUBROUTINE rungvec(parameterFile,restartfile_in)
USE_MPI
USE MODgvec_Globals    ,ONLY : wp,fmt_sep,n_warnings_occured,testdbg,testlevel,testUnit,nfailedMsg,UNIT_stdOut,GETFREEUNIT
USE MODgvec_Globals    ,ONLY : GetTime,MPIRoot,nRanks,myRank
USE MODgvec_Analyze    ,ONLY : InitAnalyze,FinalizeAnalyze
USE MODgvec_Output     ,ONLY : InitOutput,FinalizeOutput
USE MODgvec_Restart    ,ONLY : InitRestart,FinalizeRestart
USE MODgvec_ReadInTools,ONLY : FillStrings,GETLOGICAL,GETINT,IgnoredStrings,FinalizeReadIn
USE MODgvec_Functional ,ONLY : t_functional, InitFunctional,FinalizeFunctional
USE MODgvec_MHD3D_Vars ,ONLY : maxIter
!$ USE omp_lib
IMPLICIT NONE
!-----------------------------------------------------------------------------------------------------------------------------------
!INPUT VARIABLES
  CHARACTER(LEN=*),INTENT(IN)             :: Parameterfile  !! input parameters of GVEC
  CHARACTER(LEN=*),INTENT(IN),OPTIONAL    :: RestartFile_in  !! if present, a restart will be executed
!-----------------------------------------------------------------------------------------------------------------------------------
!local variables
INTEGER                 :: which_functional
INTEGER                 :: TimeArray(8)
CHARACTER(LEN=255)      :: testfile
REAL(wp)                :: StartTimeTotal,EndTimeTotal,StartTime,EndTime
CLASS(t_functional),ALLOCATABLE   :: functional
LOGICAL                 :: dorestart
!===================================================================================================================================
  __PERFINIT
  __PERFON('main')


  StartTimeTotal=GetTime()
  SWRITE(Unit_stdOut,fmt_sep)
  CALL DATE_AND_TIME(values=TimeArray) ! get System time
  SWRITE(UNIT_stdOut,'(A,I4.2,"-",I2.2,"-",I2.2,1X,I2.2,":",I2.2,":",I2.2)') &
    '%%% Sys date : ',timeArray(1:3),timeArray(5:7)

  !header
  SWRITE(Unit_stdOut,fmt_sep)
  SWRITE(Unit_stdOut,'(18(("*",A128,2X,"*",:,"\n")))')&
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  SWRITE(Unit_stdOut,fmt_sep)
  !.only executes if compiled with OpenMP
!$ SWRITE(UNIT_stdOut,'(A,I6)')'   Number of OpenMP threads : ',OMP_GET_MAX_THREADS()
!$ SWRITE(Unit_stdOut,'(132("="))')
  !.only executes if compiled with MPI
# if MPI
  SWRITE(UNIT_stdOut,'(A,I6)')'   Number of MPI tasks : ',nRanks
  SWRITE(Unit_stdOut,fmt_sep)
# endif
#include  "configuration-cmake.f90"
  SWRITE(Unit_stdOut,fmt_sep)

  CALL FillStrings(ParameterFile) !< readin parameterfile, done on MPI root + Bcast

  testdbg =GETLOGICAL('testdbg',Proposal=.FALSE.)
  testlevel=GETINT('testlevel',Proposal=-1)
  IF(testlevel.GT.0)THEN
    testUnit=GETFREEUNIT()
    WRITE(testFile,'(A,I4.4,A)')"tests_",myRank,".out"
    OPEN(UNIT     = testUnit    ,&
         FILE     = testfile    ,&
         STATUS   = 'REPLACE'   ,&
         ACCESS   = 'SEQUENTIAL' )
  END IF

  !initialization phase
  dorestart=.FALSE.
  IF(PRESENT(RestartFile_in)) THEN
    dorestart=(LEN(TRIM(RestartFile_in)).GT.0)
  END IF
  IF(dorestart) CALL InitRestart(RestartFile_in)

  CALL InitOutput()
  CALL InitAnalyze()

  which_functional=GETINT('which_functional', Proposal=1 )
  CALL InitFunctional(functional,which_functional)


  CALL IgnoredStrings()

  CALL functional%InitSolution()
  StartTime=GetTime()
  SWRITE(Unit_stdOut,'(A,F8.2,A)') ' INITIALIZATION FINISHED! [',StartTime-StartTimeTotal,' sec ]'
  SWRITE(Unit_stdOut,fmt_sep)

  CALL functional%minimize()
  EndTime=GetTime()
  SWRITE(Unit_stdOut,'(A,2(F8.2,A))') ' FUNCTIONAL MINIMISATION FINISHED! [',EndTime-StartTime,' sec ], corresponding to [', &
       (EndTime-StartTime)/REAL(MaxIter,wp)*1.e3_wp,' msec/iteration ]'

  CALL FinalizeFunctional(functional)

  CALL FinalizeAnalyze()
  CALL FinalizeOutput()
  IF(dorestart) CALL FinalizeRestart()
  CALL FinalizeReadIn()


  ! do something
  IF(testlevel.GT.0)THEN
    SWRITE(UNIT_stdout,*)
    SWRITE(UNIT_stdOut,'(A)')"** TESTESTESTESTESTESTESTESTESTESTESTESTESTESTESTEST **"
    SWRITE(UNIT_stdout,*)
    n_warnings_occured=n_warnings_occured +nFailedMsg
    IF(nFailedMsg.GT.0)THEN
      SWRITE(UNIT_stdOut,'(A)')"!!!!!!!   SOME TEST(S) FAILED, see tests.out !!!!!!!!!!!!!"
    ELSE
      SWRITE(UNIT_stdOut,'(A)')"   ...   ALL IMPLEMENTED TESTS SUCCESSFULL ..."
    END IF !nFailedMsg
    SWRITE(UNIT_stdout,*)
    SWRITE(UNIT_stdOut,'(A)')"** TESTESTESTESTESTESTESTESTESTESTESTESTESTESTESTEST **"
    SWRITE(UNIT_stdout,*)
    CLOSE(testUnit)
  END IF !testlevel
  EndTimeTotal=GetTime()
  SWRITE(Unit_stdOut,fmt_sep)
  CALL DATE_AND_TIME(values=TimeArray) ! get System time
  SWRITE(UNIT_stdOut,'(A,I4.2,"-",I2.2,"-",I2.2,1X,I2.2,":",I2.2,":",I2.2)') &
    '%%% Sys date : ',timeArray(1:3),timeArray(5:7)
  SWRITE(Unit_stdOut,fmt_sep)
  IF(n_warnings_occured.EQ.0)THEN
    SWRITE(Unit_stdOut,'(A,F8.2,A)') ' GVEC SUCESSFULLY FINISHED! [',EndTimeTotal-StartTimeTotal,' sec ]'
  ELSE
    SWRITE(Unit_stdOut,'(A,F8.2,A,I8,A)') ' GVEC FINISHED! [',EndTimeTotal-StartTimeTotal,' sec ], WITH ' , n_warnings_occured , ' WARNINGS!!!!'
  END IF
  SWRITE(Unit_stdOut,fmt_sep)
  __PERFOFF('main')
  IF(MPIRoot) THEN
  __PERFOUT('main')
  END IF
END SUBROUTINE rungvec