alesub1.F

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!||====================================================================
!||    alesub1   ../engine/source/ale/subcycling/alesub1.F
!||--- called by ------------------------------------------------------
!||    alemain   ../engine/source/ale/alemain.F
!||--- calls      -----------------------------------------------------
!||    bcs3v     ../engine/source/ale/inter/bcs3v.F
!||--- uses       -----------------------------------------------------
!||    ale_mod   ../common_source/modules/ale/ale_mod.F
!||====================================================================
      SUBROUTINE alesub1(
     1  NALE ,V    ,W    ,DSAVE ,ICODT,
     2  ISKEW,SKEW ,D    ,ITASK ,NODFT,
     3  NODLT,FSKY ,FSKYV)
C-----------------------------------------------
C   D e s c r i p t i o n
C-----------------------------------------------
C /ALESUB is an obsolete option
C Multidomain computation (/SUBDOMAIN) is now used instead.
C-----------------------------------------------
C   M o d u l e s
C-----------------------------------------------
      USE ale_mod
C-----------------------------------------------
C   I m p l i c i t   T y p e s
C-----------------------------------------------
#include      "implicit_f.inc"
C-----------------------------------------------
C   C o m m o n   B l o c k s
C-----------------------------------------------
#include      "com04_c.inc"
#include      "com08_c.inc"
#include      "task_c.inc"
#include      "parit_c.inc"
#include      "param_c.inc"
C-----------------------------------------------
C   D u m m y   A r g u m e n t s
C-----------------------------------------------
      INTEGER NALE(*),ICODT(*),ISKEW(*),ITASK,NODFT,NODLT
      my_real V(3,NUMNOD),W(3,NUMNOD),DSAVE(3,*),SKEW(LSKEW,*),D(3,NUMNOD),FSKY(8,LSKY),FSKYV(LSKY,8)
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C-----------------------------------------------
      INTEGER N,LCOD, INDX2(1024),I,NINDX2,NISKFT,NISKLT,K
      my_real FAC
C-----------------------------------------------
C   S o u r c e   L i n e s
C-----------------------------------------------
        fac=zero
        IF(dt1 > zero)fac=one/dt1
        IF(ale%SUB%IFSUB == 0)THEN
           DO n=nodft,nodlt
              w(1,n)=fac*(d(1,n)-dsave(1,n))
              w(2,n)=fac*(d(2,n)-dsave(2,n))
              w(3,n)=fac*(d(3,n)-dsave(3,n))
              dsave(1,n)=v(1,n)
              dsave(2,n)=v(2,n)
              dsave(3,n)=v(3,n)
             IF(nale(n) == 0)THEN
              v(1,n)=w(1,n)
              v(2,n)=w(2,n)
              v(3,n)=w(3,n)
             ENDIF
           ENDDO
           DO i=nodft,nodlt,1024
              nindx2 = 0
              DO n = i,min(nodlt,i+1023)
                lcod=icodt(n+numnod+numnod)
                IF(nale(n)*lcod /= 0)THEN
                  nindx2 = nindx2 + 1
                  indx2(nindx2) = n
                ENDIF
              ENDDO
              IF (nindx2 /= 0)
     .          CALL bcs3v(nindx2,indx2,iskew,icodt(2*numnod+1),v,
     .                     w     ,skew)
           ENDDO
C
          IF(iparit > 0)THEN
           niskft =  1+itask*lsky/nthread
           nisklt = (itask+1)*lsky/nthread
           IF(ivector == 1) THEN
             DO k=1,8
              DO i=niskft,nisklt
                fskyv(i,k)=zero
              ENDDO
             ENDDO
           ELSE
             DO  k=1,8
              DO  i=niskft,nisklt
                fsky(k,i)=zero
              ENDDO
             ENDDO
           ENDIF
          ENDIF
        ENDIF
C
        RETURN
        END