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C $Header: /u/gcmpack/MITgcm/pkg/monitor/mon_stats_rl.F,v 1.13 2009/04/28 18:16:53 jmc Exp $ |
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C $Name: $ |
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|
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#include "MONITOR_OPTIONS.h" |
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|
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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CBOP |
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C !ROUTINE: MON_CALC_STATS_RS |
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|
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C !INTERFACE: |
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SUBROUTINE MON_CALC_STATS_RS( |
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I myNr, arr, arrhFac, arrMask, arrArea, arrDr, |
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O theMin, theMax, theMean, theSD, theDel2, theVol, |
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I myThid ) |
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|
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C Calculate statistics of global array ``\_RS arr''. |
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C account for volume and mask |
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|
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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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|
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C !INPUT/OUTPUT PARAMETERS: |
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INTEGER myNr |
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_RS arr (1-OLx:sNx+OLx,1-OLy:sNy+OLy,myNr,nSx,nSy) |
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_RS arrhFac(1-OLx:sNx+OLx,1-OLy:sNy+OLy,myNr,nSx,nSy) |
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_RS arrMask(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RS arrArea(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RS arrDr(myNr) |
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_RL theMin, theMax, theMean, theSD, theDel2, theVol |
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INTEGER myThid |
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CEOP |
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|
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C !LOCAL VARIABLES: |
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INTEGER bi,bj,i,j,k |
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INTEGER numPnts |
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LOGICAL noPnts |
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_RL tmpVal |
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_RL tmpMask |
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_RL tmpVol |
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_RL ddx, ddy |
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_RL theVar |
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_RL tileMean(nSx,nSy) |
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_RL tileVar (nSx,nSy) |
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_RL tileSD (nSx,nSy) |
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_RL tileDel2(nSx,nSy) |
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_RL tileVol (nSx,nSy) |
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|
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theMin = 0. |
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theMax = 0. |
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theMean= 0. |
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theSD = 0. |
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theVar = 0. |
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theDel2= 0. |
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theVol = 0. |
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numPnts= 0 |
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noPnts = .TRUE. |
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|
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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tileDel2(bi,bj) = 0. |
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tileVol (bi,bj) = 0. |
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tileMean(bi,bj) = 0. |
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tileVar (bi,bj) = 0. |
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DO k=1,myNr |
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DO j=1,sNy |
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DO i=1,sNx |
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tmpVal = arr(i,j,k,bi,bj) |
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tmpMask = arrMask(i,j,bi,bj)*arrhFac(i,j,k,bi,bj) |
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IF ( tmpMask.GT.0. _d 0 .AND. noPnts ) THEN |
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theMin=tmpVal |
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theMax=tmpVal |
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noPnts=.FALSE. |
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ENDIF |
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IF ( tmpMask.GT.0. _d 0 ) THEN |
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theMin = MIN(theMin,tmpVal) |
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theMax = MAX(theMax,tmpVal) |
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C-- like old code (but using hFac instead of mask): identical if no partial cell |
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c tileDel2(bi,bj) = tileDel2(bi,bj) |
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c & + 0.25*ABS( |
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c & (arr(i+1,j,k,bi,bj)-tmpVal)*arrhFac(i+1,j,k,bi,bj) |
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c & +(arr(i-1,j,k,bi,bj)-tmpVal)*arrhFac(i-1,j,k,bi,bj) |
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c & +(arr(i,j+1,k,bi,bj)-tmpVal)*arrhFac(i,j+1,k,bi,bj) |
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c & +(arr(i,j-1,k,bi,bj)-tmpVal)*arrhFac(i,j-1,k,bi,bj) |
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c & ) |
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C-- New form: |
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ddx = arrhFac(i+1,j,k,bi,bj)*arrhFac(i-1,j,k,bi,bj) |
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IF ( ddx.GT.0. _d 0 ) THEN |
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ddx = (arr(i+1,j,k,bi,bj)-tmpVal) |
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& + (arr(i-1,j,k,bi,bj)-tmpVal) |
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ENDIF |
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ddy = arrhFac(i,j+1,k,bi,bj)*arrhFac(i,j-1,k,bi,bj) |
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IF ( ddy.GT.0. _d 0 ) THEN |
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ddy = (arr(i,j+1,k,bi,bj)-tmpVal) |
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& + (arr(i,j-1,k,bi,bj)-tmpVal) |
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ENDIF |
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tileDel2(bi,bj) = tileDel2(bi,bj) + ddx*ddx + ddy*ddy |
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|
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numPnts=numPnts+1 |
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tmpVol = arrArea(i,j,bi,bj)*arrDr(k)*tmpMask |
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tileVol (bi,bj) = tileVol (bi,bj) + tmpVol |
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tileMean(bi,bj) = tileMean(bi,bj) + tmpVol*tmpVal |
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tileVar (bi,bj) = tileVar (bi,bj) + tmpVol*tmpVal*tmpVal |
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ENDIF |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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|
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CALL GLOBAL_SUM_TILE_RL( tileDel2, theDel2, myThid ) |
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CALL GLOBAL_SUM_TILE_RL( tileVol , theVol , myThid ) |
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CALL GLOBAL_SUM_TILE_RL( tileMean, theMean, myThid ) |
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c CALL GLOBAL_SUM_TILE_RL( tileVar , theVar , myThid ) |
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|
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CALL GLOBAL_SUM_INT( numPnts, myThid ) |
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|
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IF ( numPnts.GT.0 ) THEN |
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tmpVal = FLOAT(numPnts) |
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c theDel2 = theDel2/tmpVal |
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theDel2 = SQRT(theDel2)/tmpVal |
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ENDIF |
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|
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IF ( theVol.GT.0. _d 0 ) THEN |
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theMean= theMean/theVol |
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theVar = theVar/theVol |
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IF ( noPnts ) theMin = theMean |
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theMin = -theMin |
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_GLOBAL_MAX_RL(theMin,myThid) |
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theMin = -theMin |
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IF ( noPnts ) theMax = theMean |
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_GLOBAL_MAX_RL(theMax,myThid) |
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|
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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tileSD(bi,bj)=0. |
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DO k=1,myNr |
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DO j=1,sNy |
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DO i=1,sNx |
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tmpVal=arr(i,j,k,bi,bj) |
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tmpMask = arrMask(i,j,bi,bj)*arrhFac(i,j,k,bi,bj) |
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IF ( tmpMask.GT.0. _d 0 ) THEN |
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tmpVol = arrArea(i,j,bi,bj)*arrDr(k)*tmpMask |
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tileSD(bi,bj) = tileSD(bi,bj) |
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& + tmpVol*(tmpVal-theMean)*(tmpVal-theMean) |
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ENDIF |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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|
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CALL GLOBAL_SUM_TILE_RL( tileSD, theSD, myThid ) |
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|
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theSD = SQRT(theSD/theVol) |
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c theSD = SQRT(theVar-theMean*theMean) |
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ENDIF |
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|
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RETURN |
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END |
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