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jmc |
1.1 |
C $Header: /u/gcmpack/MITgcm/pkg/diagnostics/diagnostics_interp_vert.F,v 1.12 2011/06/12 19:16:09 jmc Exp $ |
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C $Name: $ |
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#include "DIAG_OPTIONS.h" |
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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CBOP 0 |
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C !ROUTINE: DIAGNOSTICS_CALC_PHIVEL |
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C !INTERFACE: |
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SUBROUTINE DIAGNOSTICS_CALC_PHIVEL( |
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I listId, md, ndId, ip, im, lm, |
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O nFilled, qtmp1, qtmp2, |
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I myTime, myIter, myThid ) |
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C !DESCRIPTION: |
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C Compute Velocity Potential |
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C !USES: |
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IMPLICIT NONE |
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#include "SIZE.h" |
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#include "EEPARAMS.h" |
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#include "PARAMS.h" |
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#include "GRID.h" |
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#include "DIAGNOSTICS_SIZE.h" |
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#include "DIAGNOSTICS.h" |
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INTEGER NrMax |
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PARAMETER( NrMax = numLevels ) |
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C !INPUT PARAMETERS: |
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C listId :: Diagnostics list number being written |
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C md :: field number in the list "listId". |
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C ndId :: diagnostics Id number (in available diagnostics list) |
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C ip :: diagnostics pointer to storage array |
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C im :: counter-mate pointer to storage array |
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C lm :: index in the averageCycle |
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C nFilled :: effective counter number (from primary diag which this one is |
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C derived from); return 0 is missing filling. |
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C qtmp1 :: diagnostics field output array |
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C qtmp2 :: temp working array (same size as output array) |
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C myTime :: current time of simulation (s) |
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C myIter :: current iteration number |
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C myThid :: my Thread Id number |
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INTEGER listId, md, ndId, ip, im, lm |
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INTEGER nFilled |
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_RL qtmp1(1-OLx:sNx+OLx,1-OLy:sNy+OLy,NrMax,nSx,nSy) |
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_RL qtmp2(1-OLx:sNx+OLx,1-OLy:sNy+OLy,NrMax,nSx,nSy) |
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_RL myTime |
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INTEGER myIter, myThid |
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CEOP |
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C !FUNCTIONS: |
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C !LOCAL VARIABLES: |
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C i,j,k :: loop indices |
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INTEGER i, j, k |
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INTEGER bi, bj |
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CHARACTER*(MAX_LEN_MBUF) msgBuf |
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_RL undefRL |
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INTEGER ip1, ip2, jp1, jp2 |
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INTEGER numIters |
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LOGICAL normaliseMatrice, diagNormaliseRHS |
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_RL residCriter, firstResidual, lastResidual |
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_RL a2dMax, a2dNorm |
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_RL rhsMax, rhsNorm |
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_RS aW2d(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RS aS2d(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL b2d (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL x2d (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL uTrans(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL vTrans(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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undefRL = UNSET_RL |
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CALL DIAGNOSTICS_GET_POINTERS( 'UVELMASS', listId, |
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& jp1, ip1, myThid ) |
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CALL DIAGNOSTICS_GET_POINTERS( 'VVELMASS', listId, |
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& jp2, ip2, myThid ) |
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IF ( ip1.EQ.0 .OR. ip2.EQ.0 ) THEN |
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WRITE(msgBuf,'(4A)') 'WARNING DIAGNOSTICS_CALC_PHIVEL:', |
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& ' trying to process "', flds(md,listId), '" :' |
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CALL PRINT_MESSAGE( msgBuf, errorMessageUnit, |
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& SQUEEZE_RIGHT, myThid) |
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IF ( ip1.EQ.0 ) THEN |
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WRITE(msgBuf,'(4A)') 'WARNING DIAGNOSTICS_CALC_PHIVEL:', |
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& ' missing filled diag="UVELMASS"' |
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CALL PRINT_MESSAGE( msgBuf, errorMessageUnit, |
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& SQUEEZE_RIGHT, myThid) |
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ENDIF |
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IF ( ip2.EQ.0 ) THEN |
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WRITE(msgBuf,'(4A)') 'WARNING DIAGNOSTICS_CALC_PHIVEL:', |
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& ' missing filled diag="VVELMASS"' |
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CALL PRINT_MESSAGE( msgBuf, errorMessageUnit, |
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& SQUEEZE_RIGHT, myThid) |
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ENDIF |
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nFilled = 0 |
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ELSE |
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nFilled = MIN( ndiag(ip1,1,1), ndiag(ip2,1,1) ) |
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ENDIF |
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IF ( nFilled.EQ.0 ) RETURN |
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C- averageCycle: move pointer |
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ip1 = ip1 + kdiag(jp1)*(lm-1) |
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ip2 = ip2 + kdiag(jp2)*(lm-1) |
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DO bj = myByLo(myThid), myByHi(myThid) |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
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CALL DIAGNOSTICS_GET_DIAG( 0, undefRL, |
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O qtmp1(1-OLx,1-OLy,1,bi,bj), |
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I jp1, 0, ip1, 0, bi, bj, myThid ) |
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CALL DIAGNOSTICS_GET_DIAG( 0, undefRL, |
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O qtmp2(1-OLx,1-OLy,1,bi,bj), |
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I jp2, 0, ip2, 0, bi, bj, myThid ) |
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ENDDO |
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ENDDO |
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DO k = 1,kdiag(ndId) |
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C-- Solve for velocity potential for each level: |
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a2dMax = 0. _d 0 |
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rhsMax = 0. _d 0 |
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DO bj = myByLo(myThid), myByHi(myThid) |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
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C- Initialise fist guess & RHS |
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DO j = 1-Oly,sNy+Oly |
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DO i = 1-Olx,sNx+Olx |
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b2d(i,j,bi,bj) = 0. |
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x2d(i,j,bi,bj) = 0. |
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ENDDO |
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ENDDO |
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C- calculate cg2d matrix: |
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DO j = 1,sNy+1 |
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DO i = 1,sNx+1 |
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aW2d(i,j,bi,bj) = dyG(i,j,bi,bj)*recip_dxC(i,j,bi,bj) |
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& *drF(k)*hFacW(i,j,k,bi,bj) |
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& *maskInW(i,j,bi,bj) |
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aS2d(i,j,bi,bj) = dxG(i,j,bi,bj)*recip_dyC(i,j,bi,bj) |
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& *drF(k)*hFacS(i,j,k,bi,bj) |
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& *maskInS(i,j,bi,bj) |
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a2dMax = MAX(a2dMax,aW2d(i,j,bi,bj)) |
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a2dMax = MAX(a2dMax,aS2d(i,j,bi,bj)) |
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ENDDO |
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ENDDO |
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C- calculate RHS = Div(uVel,vVel): |
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DO j = 1,sNy+1 |
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DO i = 1,sNx+1 |
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uTrans(i,j) = dyG(i,j,bi,bj)*drF(k) |
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& *qtmp1(i,j,k,bi,bj)*maskInW(i,j,bi,bj) |
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vTrans(i,j) = dxG(i,j,bi,bj)*drF(k) |
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& *qtmp2(i,j,k,bi,bj)*maskInS(i,j,bi,bj) |
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ENDDO |
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ENDDO |
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DO j = 1,sNy |
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DO i = 1,sNx |
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b2d(i,j,bi,bj) = ( ( uTrans(i+1,j) - uTrans(i,j) ) |
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& + ( vTrans(i,j+1) - vTrans(i,j) ) |
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& )*maskInC(i,j,bi,bj) |
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rhsMax = MAX(ABS(b2d(I,J,bi,bj)),rhsMax) |
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ENDDO |
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ENDDO |
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C- end bi,bj loops |
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ENDDO |
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ENDDO |
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C- Normalise Matrice & RHS : |
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diagNormaliseRHS = cg2dTargetResWunit.LE.0. |
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normaliseMatrice = .TRUE. |
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diagNormaliseRHS = .TRUE. |
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a2dNorm = 1. _d 0 |
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rhsNorm = 1. _d 0 |
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IF ( normaliseMatrice ) THEN |
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_GLOBAL_MAX_RL( a2dMax, myThid ) |
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IF ( a2dMax .GE. 0. _d 0 ) a2dNorm = 1. _d 0/a2dMax |
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ENDIF |
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IF ( diagNormaliseRHS ) THEN |
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_GLOBAL_MAX_RL( rhsMax, myThid ) |
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IF ( rhsMax .GE. 0. _d 0 ) rhsNorm = 1. _d 0/(a2dNorm*rhsMax) |
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residCriter = cg2dTargetResidual |
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ELSE |
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residCriter = a2dNorm * cg2dTargetResWunit |
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& * globalArea / deltaTmom |
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ENDIF |
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IF ( normaliseMatrice .OR. diagNormaliseRHS ) THEN |
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DO bj = myByLo(myThid), myByHi(myThid) |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
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DO j = 1,sNy+1 |
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DO i = 1,sNx+1 |
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aW2d(i,j,bi,bj) = aW2d(i,j,bi,bj)*a2dNorm |
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aS2d(i,j,bi,bj) = aS2d(i,j,bi,bj)*a2dNorm |
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b2d(i,j,bi,bj) = b2d(i,j,bi,bj) *a2dNorm*rhsNorm |
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c x2d(i,j,bi,bj) = x2d(i,j,bi,bj) *rhsNorm |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDIF |
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IF ( debugLevel.GE.debLevA .AND. k.EQ.1 ) THEN |
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_BEGIN_MASTER( myThid ) |
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WRITE(standardMessageUnit,'(A,I9,2(A,1P1E13.6),A,1P1E9.2)') |
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& ' diag_cg2d (it=', myIter,') a2dNorm,rhsNorm=', a2dNorm, |
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& ' ,', rhsNorm, ' ; Criter=', residCriter |
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_END_MASTER( myThid ) |
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ENDIF |
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numIters = cg2dMaxIters |
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CALL DIAG_CG2D( |
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I aW2d, aS2d, b2d, |
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I residCriter, |
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O firstResidual, lastResidual, |
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U x2d, numIters, |
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I myThid ) |
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IF ( debugLevel.GE.debLevA ) THEN |
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_BEGIN_MASTER( myThid ) |
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WRITE(standardMessageUnit,'(A,I4,A,I6,A,1P2E17.9)') |
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& ' diag_cg2d : k=', k, ' , iters=', numIters, |
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& ' ; ini,last_Res=', firstResidual, lastResidual |
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_END_MASTER( myThid ) |
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ENDIF |
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c _EXCH_XY_RL( x2d, myThid ) |
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C- Un-normalise the answer |
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IF (diagNormaliseRHS) THEN |
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DO bj = myByLo(myThid), myByHi(myThid) |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
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DO j = 1,sNy |
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DO i = 1,sNx |
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c x2d(i,j,bi,bj) = x2d(i,j,bi,bj) /rhsNorm |
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qtmp1(i,j,k,bi,bj) = x2d(i,j,bi,bj)/rhsNorm |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDIF |
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ENDDO |
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RETURN |
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END |
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