Program x06adfe

!     X06ADF Example Program Text

!     Mark 28.3 Release. NAG Copyright 2022.

!     .. Use Statements ..
      Use nag_library, Only: x06abf, x06adf, x06aff
!     .. Implicit None Statement ..
      Implicit None
!     .. Parameters ..
      Integer, Parameter               :: nout = 6
!     .. Local Scalars ..
      Integer                          :: in_para, me, num_got, num_req
!     .. Executable Statements ..
      Write (nout,*) 'X06ADF Example Program Results'
      Write (nout,*)

!     Get the thread number with a call to X06ADF and display it
      me = x06adf()
      Write (nout,99999) 'Thread number:            ', me
      Write (nout,*)

!     Call x06aff to check whether we are in an active parallel region
      in_para = x06aff()
      Write (nout,99999) 'In active parallel region:', in_para
      Write (nout,*)

!     Spawn an OpenMP parallel region, have the master thread display
!     the number of threads and check whether we are in an active
!     parallel region

      num_req = 5

      !$Omp Parallel Num_threads (num_req), Private (in_para,me,num_got),      &
      !$Omp   Default (None)

        me = x06adf()
        num_got = x06abf()
        in_para = x06aff()

        If (me==0) Then
          Write (nout,99999) 'Number of threads:        ', num_got
          Write (nout,*)
          Write (nout,99999) 'In active parallel region:', in_para
          Write (nout,*)
        End If

      !$Omp End Parallel

99999 Format (1X,A,I11)

    End Program x06adfe