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C $Header: /u/gcmpack/MITgcm/pkg/exch2/w2_set_f2f_index.F,v 1.1 2009/05/12 19:40:32 jmc Exp $ |
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C $Name: $ |
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|
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#include "CPP_EEOPTIONS.h" |
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#include "W2_OPTIONS.h" |
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|
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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CBOP 0 |
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C !ROUTINE: W2_SET_F2F_INDEX |
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|
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C !INTERFACE: |
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SUBROUTINE W2_SET_F2F_INDEX( myThid ) |
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|
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C !DESCRIPTION: |
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C Set-up index correspondence matrix for connected Facet-Edges |
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|
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C !USES: |
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IMPLICIT NONE |
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|
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C Tile topology settings data structures |
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#include "SIZE.h" |
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#include "EEPARAMS.h" |
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#include "W2_EXCH2_SIZE.h" |
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#include "W2_EXCH2_PARAMS.h" |
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#include "W2_EXCH2_TOPOLOGY.h" |
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|
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C !INPUT PARAMETERS: |
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C myThid :: my Thread Id number |
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C (Note: not relevant since threading has not yet started) |
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INTEGER myThid |
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|
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C !LOCAL VARIABLES: |
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C === Local variables === |
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C msgBuf :: Informational/error message buffer |
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CHARACTER*(MAX_LEN_MBUF) msgBuf |
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CHARACTER*1 edge(4) |
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INTEGER i, j, ii, jj, i1, j1, k, lo, ll |
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INTEGER errCnt |
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INTEGER chk1, chk2, chk3, chk4, chk5, chk6 |
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LOGICAL prtFlag |
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CEOP |
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DATA edge / 'N' , 'S' , 'E' , 'W' / |
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|
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WRITE(msgBuf,'(2A)') 'W2_SET_F2F_INDEX:', |
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& ' index matrix for connected Facet-Edges:' |
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CALL PRINT_MESSAGE( msgBuf, W2_oUnit, SQUEEZE_RIGHT, myThid ) |
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prtFlag = ABS(W2_printMsg).GE.2 |
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& .OR. ( W2_printMsg .NE.0 .AND. myProcId.EQ.0 ) |
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|
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C-- Check Topology |
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errCnt = 0 |
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DO j=1,nFacets |
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DO i=1,4 |
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C- connected to: |
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jj = INT(facet_link(i,j)) |
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ii = MOD( NINT(facet_link(i,j)*10.), 10 ) |
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IF ( facet_link(i,j).EQ. 0. ) THEN |
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WRITE(msgBuf,'(3A,I3,A,F6.2,A)') |
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& '** WARNING ** ', edge(i), '.Edge of facet #', |
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& j, ' disconnected (facet_link=',facet_link(i,j),')' |
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CALL PRINT_MESSAGE( msgBuf, W2_oUnit, SQUEEZE_RIGHT, myThid ) |
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CALL PRINT_MESSAGE( msgBuf,errorMessageUnit,SQUEEZE_RIGHT,1 ) |
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ELSEIF ( jj.LT.1 .OR. jj.GT.nFacets |
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& .OR. ii.LT.1 .OR. ii.GT.4 ) THEN |
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WRITE(msgBuf,'(2A,I3,A,F6.2,A)') edge(i), '.Edge of facet #', |
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& j, ' : bad connection (facet_link=',facet_link(i,j),')' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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errCnt = errCnt + 1 |
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ELSE |
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C- check connection is set-up both ways: |
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j1 = INT(facet_link(ii,jj)) |
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i1 = MOD( NINT(facet_link(ii,jj)*10.), 10 ) |
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IF ( j1.NE.j .OR. i1.NE.i ) THEN |
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WRITE(msgBuf,'(2(2A,I3,A),F5.2,A)') |
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& edge(i), '.Edge facet #', j,' connect to: ', |
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& edge(ii),'.Edge facet #',jj,' (',facet_link(i,j),' )' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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IF ( i1.GE.1 .AND. i1.LE.4 ) THEN |
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WRITE(msgBuf,'(A,2(2A,I3,A),F5.2,A)') ' but ', |
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& edge(ii),'.Edge facet #',jj,' connect to: ', |
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& edge(i1),'.Edge facet #',j1,' (',facet_link(ii,jj),' )' |
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ELSE |
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WRITE(msgBuf,'(A,2(2A,I3,A),F5.2,A)') ' but ', |
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& edge(ii),'.Edge facet #',jj,' connect to: ', |
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& '?' ,'.Edge facet #',j1,' (',facet_link(ii,jj),' )' |
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ENDIF |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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errCnt = errCnt + 1 |
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ENDIF |
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ENDIF |
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ENDDO |
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ENDDO |
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IF ( errCnt.GT.0 ) THEN |
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WRITE(msgBuf,'(A,I3,A)') |
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& ' W2_SET_F2F_INDEX: found', errCnt, ' Topology errors' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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STOP 'ABNORMAL END: S/R W2_SET_F2F_INDEX' |
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ENDIF |
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|
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C-- Check length of connection (facet size) between connected facet-edges |
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errCnt = 0 |
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DO j=1,nFacets |
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DO i=1,4 |
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C- Length of N or S Edge = x-size, E or W Edge = y-size |
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lo = 2*(j-1) + (i+1)/2 |
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lo = facet_dims( lo ) |
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C- connected to: |
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jj = INT(facet_link(i,j)) |
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ii = MOD( NINT(facet_link(i,j)*10.), 10 ) |
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IF ( jj.GE.1 ) THEN |
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ll = 2*(jj-1)+(ii+1)/2 |
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ll = facet_dims( ll ) |
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IF ( lo.NE.ll ) THEN |
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WRITE(msgBuf,'(3A,I3,A,I8,A)') 'Length of connection: ', |
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& edge(i), '.Edge facet #', j, ' (=',lo,')' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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WRITE(msgBuf,'(3A,I3,A,I8,A)') ' to: ', |
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& edge(ii),'.Edge facet #', jj, ' (=',ll,') are different' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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errCnt = errCnt + 1 |
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ENDIF |
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C-- Set indices correspondence matrix (facet_pij): |
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C suffix "so" for indices of source facet j ; |
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C suffix "tg" for indices of target facet jj= INT(facet_link(i,j)) |
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C pij(:,i,j) : matrix which gives so indices when applied to tg indices |
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C iso = pij(1)*itg + pij(2)*jtg + oi |
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C jso = pij(3)*itg + pij(4)*jtg + oj |
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|
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C- Default: Same orientation (works for N <-> S or E <-> W) |
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facet_pij(1,i,j) = 1 |
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facet_pij(2,i,j) = 0 |
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facet_pij(3,i,j) = 0 |
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facet_pij(4,i,j) = 1 |
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C-- 1rst: cases with same orientation |
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IF ( i.EQ.1 .AND. ii.EQ.2 ) THEN |
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C- N <-- S ; [:,jHi]_so <-- [:,0]_tg |
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facet_oi(i,j) = 0 |
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facet_oj(i,j) = +facet_dims(2*j) |
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ELSEIF ( i.EQ.2 .AND. ii.EQ.1 ) THEN |
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C- S <-- N ; [:, 1 ]_so <-- [:,1+jHi]_tg |
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facet_oi(i,j) = 0 |
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facet_oj(i,j) = -facet_dims(2*jj) |
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ELSEIF ( i.EQ.3 .AND. ii.EQ.4 ) THEN |
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C- E <-- W ; [iHi,:]_so <-- [0,:]_tg |
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facet_oi(i,j) = +facet_dims(2*j-1) |
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facet_oj(i,j) = 0 |
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ELSEIF ( i.EQ.4 .AND. ii.EQ.3 ) THEN |
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C- W <-- E (i=4 & ii=3); [ 1 ,:]_so <-- [iHi,:]_tg |
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facet_oi(i,j) = -facet_dims(2*jj-1) |
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facet_oj(i,j) = 0 |
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C-- 2nd : cases where orientation changes |
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ELSEIF ( i.EQ.1 .AND. ii.EQ.4 ) THEN |
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C- N <-- W ; mapping W.face target indices to N.face source indices |
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C- [:,jHi]_so <-- [0,:]_tg |
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facet_pij(1,i,j) = 0 |
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facet_pij(2,i,j) =-1 |
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facet_pij(3,i,j) = 1 |
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facet_pij(4,i,j) = 0 |
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facet_oi(i,j) = lo+1 |
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facet_oj(i,j) = +facet_dims(2*j) |
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ELSEIF ( i.EQ.2 .AND. ii.EQ.3 ) THEN |
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C- S <-- E ; mapping E.face target indices to S.face source indices |
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C- [:,1]_so <-- [1+iHi,:]_tg |
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facet_pij(1,i,j) = 0 |
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facet_pij(2,i,j) =-1 |
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facet_pij(3,i,j) = 1 |
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facet_pij(4,i,j) = 0 |
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facet_oi(i,j) = lo+1 |
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facet_oj(i,j) = -facet_dims(2*jj-1) |
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ELSEIF ( i.EQ.3 .AND. ii.EQ.2 ) THEN |
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C- E <-- S ; mapping S.face target indices to E.face source indices |
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C- [iHi,:]_so <-- [:,0]_tg |
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facet_pij(1,i,j) = 0 |
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facet_pij(2,i,j) = 1 |
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facet_pij(3,i,j) =-1 |
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facet_pij(4,i,j) = 0 |
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facet_oi(i,j) = +facet_dims(2*j-1) |
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facet_oj(i,j) = lo+1 |
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ELSEIF ( i.EQ.4 .AND. ii.EQ.1 ) THEN |
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C- W <-- N ; mapping N.face target indices to W.face source indices |
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C- [ 1 ,:]_so <-- [:,1+jHi]_tg |
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facet_pij(1,i,j) = 0 |
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facet_pij(2,i,j) = 1 |
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facet_pij(3,i,j) =-1 |
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facet_pij(4,i,j) = 0 |
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facet_oi(i,j) = -facet_dims(2*jj) |
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facet_oj(i,j) = lo+1 |
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ELSE |
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WRITE(msgBuf,'(2(3A,I3),A)') ' connect ', |
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& edge(i), '.Edge (facet#', j, ' ) to: ', |
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& edge(ii),'.Edge (facet#', jj,' )' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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WRITE(msgBuf,'(A)') |
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& ' W2_SET_F2F_INDEX: Connection not supported' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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errCnt = errCnt + 1 |
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ENDIF |
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C-- Print resulting index matrix: |
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IF ( prtFlag ) WRITE(W2_oUnit,'(2(3A,I3),A,4I3,A,2I6)') |
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& ' ', edge(i), '.Edge Facet', j, ' <-- ', |
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& edge(ii),'.Edge Facet', jj, |
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& ' : pij=', (facet_pij(k,i,j),k=1,4), |
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& ' ; oi,oj=', facet_oi(i,j), facet_oj(i,j) |
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ENDIF |
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ENDDO |
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ENDDO |
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IF ( errCnt.GT.0 ) THEN |
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WRITE(msgBuf,'(A,I3,A)') |
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& ' W2_SET_F2F_INDEX: found', errCnt, ' Connection errors' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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STOP 'ABNORMAL END: S/R W2_SET_F2F_INDEX' |
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ENDIF |
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|
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C-- Check indices correspondence matrix reciprocity : |
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C This is not necessary (if code above is right) ; However: |
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C a) reciprocity is used later-on => good to check; |
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C b) easy to add an error in setting offset => worth to check. |
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errCnt = 0 |
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DO j=1,nFacets |
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DO i=1,4 |
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C- connected to: |
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jj = INT(facet_link(i,j)) |
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ii = MOD( NINT(facet_link(i,j)*10.), 10 ) |
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IF ( jj.GE.1 ) THEN |
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C iso = pij(1)*( Pij(1)*iso + Pij(2)*jso + Oi ) |
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C + pij(2)*( Pij(3)*iso + Pij(4)*jso + Oj ) |
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C + oi |
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C jso = pij(3)*( Pij(1)*iso + Pij(2)*jso + Oi ) |
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C + pij(4)*( Pij(3)*iso + Pij(4)*jso + Oj ) |
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C + oj |
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C- Matrix product: |
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chk1 = facet_pij(1,i,j)*facet_pij(1,ii,jj) |
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& + facet_pij(2,i,j)*facet_pij(3,ii,jj) |
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chk2 = facet_pij(1,i,j)*facet_pij(2,ii,jj) |
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& + facet_pij(2,i,j)*facet_pij(4,ii,jj) |
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chk3 = facet_pij(3,i,j)*facet_pij(1,ii,jj) |
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& + facet_pij(4,i,j)*facet_pij(3,ii,jj) |
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chk4 = facet_pij(3,i,j)*facet_pij(2,ii,jj) |
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& + facet_pij(4,i,j)*facet_pij(4,ii,jj) |
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C- Offsets: |
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chk5 = facet_pij(1,i,j)*facet_oi(ii,jj) |
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& + facet_pij(2,i,j)*facet_oj(ii,jj) |
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& + facet_oi(i,j) |
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chk6 = facet_pij(3,i,j)*facet_oi(ii,jj) |
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& + facet_pij(4,i,j)*facet_oj(ii,jj) |
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& + facet_oj(i,j) |
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IF ( chk1.NE.1 .OR. chk2.NE.0 .OR. chk5.NE.0 .OR. |
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& chk3.NE.0 .OR. chk4.NE.1 .OR. chk6.NE.0 ) THEN |
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WRITE(msgBuf,'(2(3A,I3),A)') ' connect ', |
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& edge(i), '.Edge (facet#', j, ' ) to: ', |
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& edge(ii),'.Edge (facet#', jj,' )' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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WRITE(msgBuf,'(A,4I4,2I8)') |
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& ' Bug in Matrix Product:',chk1,chk2,chk3,chk4,chk5,chk6 |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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errCnt = errCnt + 1 |
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ENDIF |
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ENDIF |
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ENDDO |
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ENDDO |
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IF ( errCnt.GT.0 ) THEN |
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WRITE(msgBuf,'(A,I3,A)') |
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& ' W2_SET_F2F_INDEX: found', errCnt, ' bugs in Matrix product' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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STOP 'ABNORMAL END: S/R W2_SET_F2F_INDEX' |
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ENDIF |
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|
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RETURN |
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END |
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