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C $Header: /u/gcmpack/MITgcm/model/src/do_gterm_blocking_exchanges.F,v 1.16 2004/11/02 19:09:55 edhill Exp $ |
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C $Name: $ |
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|
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#include "PACKAGES_CONFIG.h" |
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#include "CPP_OPTIONS.h" |
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|
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CBOP |
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C !ROUTINE: DO_GTERM_BLOCKING_EXCHANGES |
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C !INTERFACE: |
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SUBROUTINE DO_GTERM_BLOCKING_EXCHANGES(myThid) |
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C !DESCRIPTION: \bv |
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C *==========================================================* |
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C | SUBROUTINE DO_GTERM_BLOCKING_EXCHANGES |
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C | o Controlling routine for exchanging edge info. |
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C *==========================================================* |
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C | One key trick used in UV us that we over-compute and |
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C | arrange our time-stepping loop so that we only need one |
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C | edge exchange for the explicit code per timestep. |
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C *==========================================================* |
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C \ev |
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C !USES: |
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IMPLICIT NONE |
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C == Global variables === |
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#include "SIZE.h" |
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#include "EEPARAMS.h" |
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#include "DYNVARS.h" |
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|
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C !INPUT/OUTPUT PARAMETERS: |
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C == Routine arguments == |
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C myThid - Thread number for this instance of the routine. |
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INTEGER myThid |
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CEOP |
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|
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c _EXCH_XYZ_R8( Gu , myThid ) |
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c _EXCH_XYZ_R8( Gv , myThid ) |
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c _EXCH_XYZ_R8( Gt , myThid ) |
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c _EXCH_XYZ_R8( Gs , myThid ) |
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#ifdef ALLOW_ADAMSBASHFORTH_3 |
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C_jmc: requires to pass "myIter" as argument !!! |
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C_jmc: leave it commented since this S/R is never called |
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c m1 = 1 + mod(myIter+1,2) |
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c CALL EXCH_UV_XYZ_RL(guNm(1-Olx,1-Oly,1,1,1,m1), |
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c & gvNm(1-Olx,1-Oly,1,1,1,m1),.TRUE.,myThid) |
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c _EXCH_XYZ_R8( gtNm(1-Olx,1-Oly,1,1,1,m1), myThid ) |
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c _EXCH_XYZ_R8( gsNm(1-Olx,1-Oly,1,1,1,m1), myThid ) |
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#else /* ALLOW_ADAMSBASHFORTH_3 */ |
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CALL EXCH_UV_XYZ_RL(guNm1,gvNm1,.TRUE.,myThid) |
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c _EXCH_XYZ_R8( guNm1 , myThid ) |
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c _EXCH_XYZ_R8( gvNm1 , myThid ) |
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_EXCH_XYZ_R8( gtNm1 , myThid ) |
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_EXCH_XYZ_R8( gsNm1 , myThid ) |
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#endif /* ALLOW_ADAMSBASHFORTH_3 */ |
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c _EXCH_XYZ_R8( uVel , myThid ) |
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c _EXCH_XYZ_R8( vVel , myThid ) |
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c _EXCH_XYZ_R8( theta , myThid ) |
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c _EXCH_XYZ_R8( salt , myThid ) |
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|
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#ifdef ALLOW_PTRACERS |
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ceh3 add an IF ( usePTRACERS ) THEN |
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CALL PTRACERS_GTERM_BLOCKING_EXCH(myThid) |
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#endif /* ALLOW PTRACERS */ |
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|
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RETURN |
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END |
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