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SUBROUTINE AMPF (SKJ,GKH,AJJL,QHJL,PLAN,IMAX,SCR1,SCR2,SCR3,SCR4,
1 SCR5,SCR6,SCR7,SCR8,SCR9,SCR10)
C
C THE PURPOSE OF THIS ROUTINE IS TO SOLVE FOR QHJL
C
C THE STEPS ARE AS FOLLOWS
C
C I. FOR EACH M-K PAIR
C
C A. FIND SKJ FROM SKJ LIST
C T
C B. COMPUTE S(K) = SKJ(K) *GKH
C
C C. FOR EACH GROUP
C G
C 1. BREAK S(K) INTO GROUPS = S(K)
C
C 2. SOLVE FOR RJH
C -1 G
C D.L. AND D.L. WITH BODIES RGH= AJJ *S(K)
C T G
C OTHERS RGH= AJJ *S(K)
C
C 3. MERGE RESULTS
C
C 1 G11
C 1 RJH 1
C 1------1 = RJH(K)
C 1 G21
C 1 RJH 1
C 1 1
C
C
C D. APPEND RJH ONTO GROWING QHJL
C 1 1 1
C 1RJH(K1)1RJH(K2)1 = QHJL
C 1 1 1
C 1 1 1
C
INTEGER SKJ,GKH,AJJL,QHJL,PLAN,MCB(7),SYSBUF,NAME(2),
1 AJJCOL,SCR1,SCR2,SCR3,SCR4,SCR5,SCR6,SCR7,SCR8,
2 SCR9,SCR10,RJH
COMMON /AMPCOM/ NCOLJ,NSUB,XM,XK,AJJCOL,QHHCOL,NGP,NGPD(2,30),
1 MCBQHH(7),MCBQJH(7),NOH,IDJH
COMMON /SYSTEM/ SYSBUF,NOUT,SKP(52),IPREC
COMMON /ZZZZZZ/ Z(1)
COMMON /CDCMPX/ DUM32(32),IB
COMMON /UNPAKX/ ITC,II,JJ,INCR
COMMON /PACKX / ITC1,ITC2,II1,JJ1,INCR1
DATA NAME / 4HAMPF,1H /
C
C INITIALIZE
C
IBUF1 = KORSZ(Z) - SYSBUF + 1
IBUF2 = IBUF1 - SYSBUF
IOP = 0
ITL = 0
DO 9000 ILOOP = 1,IMAX
CALL KLOCK (ITS)
CALL GOPEN (PLAN,Z(IBUF1),IOP)
IOP = 2
CALL FREAD (PLAN,XM,4,1)
CALL CLOSE (PLAN,2)
C
C FIND SKJ(K) IN SKJL
C
CALL GOPEN (SKJ,Z(IBUF1),0)
CALL GOPEN (SCR1,Z(IBUF2),1)
K = AJJCOL - 1
CALL SKPREC (SKJ,K)
MCB(1) = SKJ
CALL RDTRL (MCB)
CALL MAKMCB (MCB,SCR1,MCB(3),MCB(4),MCB(5))
INCR = 1
ITC = MCB(5)
CALL CYCT2B (SKJ,SCR1,NCOLJ,Z,MCB)
CALL CLOSE (SKJ,1)
CALL CLOSE (SCR1,1)
CALL WRTTRL (MCB)
C T
C MULTIPLY SKJ(K) *GKH ONTO SCR2
C
CALL SSG2B (SCR1,GKH,0,SCR2,1,IPREC,1,SCR3)
C
C POSITION AJJL
C
CALL GOPEN (AJJL,Z(IBUF1),0)
K = AJJCOL - 1
CALL SKPREC (AJJL,K)
CALL CLOSE (AJJL,2)
C
C SET UP TO LOOP ON CONSTANT THEORY
C
NGPS = 1
NTH = NGPD(1,NGPS)
NCOLTH = 0
135 NCLOLD = NCOLTH + 1
140 IF (NGPS .GT. NGP) GO TO 150
IF (NGPD(1,NGPS) .NE. NTH) GO TO 150
NCOLTH = NCOLTH + NGPD(2,NGPS)
NGPS = NGPS + 1
GO TO 140
150 CONTINUE
IONCE = 0
IF (NCLOLD.EQ.1 .AND. NGPS.GT.NGP) IONCE = 1
C G
C COPY AJJL(K) TO SCR1 (AJJ(K) )
C
CALL GOPEN (AJJL,Z(IBUF1),2)
CALL GOPEN (SCR1,Z(IBUF2),1)
MCB(1) = AJJL
CALL RDTRL (MCB)
CALL MAKMCB (MCB,SCR1,NCOLTH,MCB(4),MCB(5))
II = NCLOLD
JJ = NCOLTH
II1 = 1
JJ1 = NCOLTH - NCLOLD + 1
ITC = MCB(5)
ITC1 = ITC
ITC2 = ITC
INCR = 1
INCR1= 1
CALL AMPC1 (AJJL,SCR1,NCOLTH,Z,MCB)
CALL CLOSE (AJJL,2)
CALL CLOSE (SCR1,1)
CALL WRTTRL (MCB)
C G
C COPY SKJ(K) ONTO SCR3 (SKJ(K) )
C
CALL GOPEN (SCR2,Z(IBUF1),0)
CALL GOPEN (SCR3,Z(IBUF2),1)
MCB(1) = SCR2
CALL RDTRL (MCB)
CALL MAKMCB (MCB,SCR3,NCOLTH,MCB(4),MCB(5))
ITC = MCB(5)
ITC1 = ITC
ITC2 = ITC
CALL AMPC1 (SCR2,SCR3,NOH,Z,MCB)
CALL CLOSE (SCR2,1)
CALL CLOSE (SCR3,1)
CALL WRTTRL (MCB)
RJH = SCR10
IF (IONCE .NE. 0) RJH = SCR9
C
C BRANCH ON THEORY
C
GO TO (1000,2000,3000,4000,5000), NTH
C
C DOUBLET LATTICE--D.L. WITH SLENDER BODIES
C
1000 CONTINUE
2000 CONTINUE
C G
C DECOMPOSE AJJ(K)
C
IB = 0
CALL CFACTR (SCR1,SCR4,SCR5,SCR6,SCR7,SCR8,IOPT)
CALL CFBSOR (SCR4,SCR5,SCR3,RJH,IOPT)
GO TO 1020
C
C OTHER THEORIES
C
3000 CONTINUE
4000 CONTINUE
5000 CONTINUE
CALL SSG2B (SCR1,SCR3,0,RJH,1,IPREC,1,SCR4)
C
C COPY ACCUMULATIVELY ONTO RJH(K)
C
1020 IF (IONCE .NE. 0) GO TO 8000
CALL AMPC2 (RJH,SCR9,SCR1)
IF (NGPS .GT. NGP) GO TO 8000
GO TO 135
C
C ALL GROUPS /THEORIES COMPLETE
C
8000 CONTINUE
C
C COPY ONTO QHJL
C
CALL GOPEN (SCR9,Z(IBUF1),0)
CALL GOPEN (QHJL,Z(IBUF2),3)
MCB(1) = QHJL
CALL RDTRL (MCB(1))
ITC = MCB(5)
INCR = 1
CALL CYCT2B (SCR9,QHJL,NOH,Z,MCB)
CALL CLOSE (QHJL,2)
CALL CLOSE (SCR9,1)
CALL WRTTRL (MCB)
C
C END LOOP ON M-K PAIRS
C
IF (ILOOP .EQ. IMAX) GO TO 9000
C
C CHECK TIME
C
CALL KLOCK (ITF)
CALL TMTOGO (ITMTO)
ITL= MAX0(ITF-ITS,1,ITL)
IF (1.1*ITL .GE. ITMTO) GO TO 9010
9000 CONTINUE
RETURN
C
C INSUFFICIENT TIME TO COMPLETE
C
9010 CALL MESAGE (45,IMAX-ILOOP,NAME)
RETURN
END
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