RVAV_ComputeError.F90

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! *********************************************************************
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!******************************************************************************
!
! Purpose: Computes Error Between Stream 1 and Stream 2 Data.
!
! Description: none.
!
! Input: Arrays evS1 and evS2 and their corresponding extents
!
! Output: L2 and L8 Norms
!
! Notes: none.
!
!******************************************************************************
!
! $Id: RVAV_ComputeError.F90,v 1.3 2008/12/06 08:45:08 mtcampbe Exp $
!
! Copyright: (c) 2002 by the University of Illinois
!
!******************************************************************************

SUBROUTINE rvav_computeerror( global,iCompare,iNodes,jNodes,kNodes )                              

  USE moddatatypes
  USE moderror
  USE modglobal, ONLY : t_global
  USE modparameters
  USE rvav_modglobal
  USE rvav_modparameters
  IMPLICIT NONE
  
! ... parameter
  TYPE(t_global), POINTER :: global

  INTEGER :: icompare, inodes, jnodes, knodes

! ... loop variables
  INTEGER :: i, j, k 

! ... local variables
  CHARACTER(CHRLEN) :: msg

  REAL(RFREAL) :: l2norm, l8norm
  REAL(RFREAL) :: l2norms2, l8norms2
  
!******************************************************************************

  CALL registerfunction( global, 'RVAV_ComputeError',&
  'RVAV_ComputeError.F90' )

! initialize variables

  l2norm   =  0.0_rfreal
  l8norm   = -1.0e+30_rfreal
  l2norms2 =  0.0_rfreal
  l8norms2 = -1.0e+30_rfreal
  
  DO k = 1, knodes
    DO j = 1, jnodes
      DO i = 1, inodes
        l2norm = l2norm + (globalrvav%evS1(i,j,k) -globalrvav%evS2(i,j,k))**2
        l8norm = max(l8norm,abs(globalrvav%evS1(i,j,k) - globalrvav%evS2(i,j,k)) )
        l2norms2 = l2norms2 + globalrvav%evS2(i,j,k)**2
        l8norms2 = max(l8norms2,abs(globalrvav%evS2(i,j,k))  )
      ENDDO ! i
    ENDDO ! j
  ENDDO ! k
  
  WRITE(*,1010) icompare,sqrt(l2norm)/sqrt(l2norms2)*100.0_rfreal, &
                         l8norm/l8norms2*100.0_rfreal

  IF (global%verbLevel /= verbose_none)  THEN
    WRITE(*,1000) icompare,sqrt(l2norm)/(REAL(inodes*jnodes*knodes, kind=rfreal)),l8norm
  
    WRITE(200,*) 'ICompare = ',icompare
  
    DO k = 1, knodes
      DO j = 1, jnodes
        DO i = 1, inodes
          WRITE(200,*) i,j,k,globalrvav%evS1(i,j,k),globalrvav%evS2(i,j,k), &
                             globalrvav%evS1(i,j,k) -globalrvav%evS2(i,j,k)
        ENDDO ! i
      ENDDO ! j
    ENDDO ! k
  END IF ! verbLevel 

! finalize --------------------------------------------------------------------

  CALL deregisterfunction( global )

1000 FORMAT(' Comparison ',i5,', L2 Norm= ',1pe15.7,', L8 Norm =',1pe15.7)
1010 FORMAT(/,' RocVaV passed the test for Comparison ',i5,/,&
              '  Percentage of Normalized L2 Norm= ',1pe15.7,/,&
              '  Percentage of Normalized L8 Norm =',1pe15.7)
            
END SUBROUTINE rvav_computeerror

!******************************************************************************
!
! RCS Revision history:
!
! $Log: RVAV_ComputeError.F90,v $
! Revision 1.3  2008/12/06 08:45:08  mtcampbe
! Updated license.
!
! Revision 1.2  2008/11/19 22:18:18  mtcampbe
! Added Illinois Open Source License/Copyright
!
! Revision 1.1  2004/12/01 22:43:19  fnajjar
! Initial revision after changing case
!
! Revision 1.5  2003/05/15 02:57:07  jblazek
! Inlined index function.
!
! Revision 1.4  2002/09/10 00:01:45  f-najjar
! Variable global moved into regions()
!
! Revision 1.3  2002/06/19 14:40:15  f-najjar
! Included verbLevel calls for cleanup
!
! Revision 1.2  2002/06/19 13:59:56  f-najjar
! Computed Normalized L2 and L8 errors
!
! Revision 1.1.1.1  2002/06/03 21:41:29  f-najjar
! Initial Import of RocVaV
!
!******************************************************************************