SURF_CountInteractingPatches.F90

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!******************************************************************************
!
! Purpose: count number of boundary patches interacting with GenX.
!
! Description: none.
!
! Input: regions = region dimensions and topology.
!
! Output: nInteract = no. of interacting boundary patches.
!
! Notes: none.
!
!******************************************************************************
!
! $Id: SURF_CountInteractingPatches.F90,v 1.3 2008/12/06 08:44:52 mtcampbe Exp $
!
! Copyright: (c) 2001 by the University of Illinois
!
!******************************************************************************

SUBROUTINE countinteractingpatches( regions,nInteract )

  USE moddatatypes
  USE modbndpatch, ONLY   : t_patch
  USE moddatastruct, ONLY : t_region
  USE modglobal, ONLY     : t_global
  USE moderror
  USE modparameters
  IMPLICIT NONE

! ... parameters
  INTEGER :: ninteract

  TYPE(t_region), POINTER :: regions(:)

! ... loop variables
  INTEGER :: ireg, ipatch

! ... local variables
  TYPE(t_global), POINTER :: global
  TYPE(t_patch), POINTER  :: patch

!******************************************************************************

  global => regions(1)%global

  CALL registerfunction( global,'CountInteractingPatches', &
                         'SURF_CountInteractingPatches.F90' )

! loop over all regions

  ninteract = 0

  DO ireg=1,global%nRegions

! - loop over all patches of a region

    DO ipatch=1,regions(ireg)%nPatches
      patch => regions(ireg)%levels(1)%patches(ipatch)
      IF (patch%bcCoupled == bc_external) ninteract = ninteract + 1
    ENDDO   ! iPatch

  ENDDO     ! iReg

! finalize

  CALL deregisterfunction( global )

END SUBROUTINE countinteractingpatches

!******************************************************************************
!
! RCS Revision history:
!
! $Log: SURF_CountInteractingPatches.F90,v $
! Revision 1.3  2008/12/06 08:44:52  mtcampbe
! Updated license.
!
! Revision 1.2  2008/11/19 22:18:02  mtcampbe
! Added Illinois Open Source License/Copyright
!
! Revision 1.1  2004/12/03 02:47:00  wasistho
! added prefix
!
! Revision 1.1  2004/12/03 00:49:09  wasistho
! lower to upper case
!
! Revision 1.3  2003/05/15 02:57:07  jblazek
! Inlined index function.
!
! Revision 1.2  2003/03/20 19:48:09  haselbac
! Corrected mistake in phased check-in
!
! Revision 1.1  2002/10/19 00:40:31  jblazek
! Added utility (rflosurf) to write out surface grids for GenX.
!
!******************************************************************************