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SUBROUTINE CMCOMB (NPS,NENT,NDOF,IC)
C
C THIS SUBROUTINE COMBINES CONNECTION ENTRIES THAT HAVE BEEN SPECIFI
C ON SEVERAL CONCT OR CONCT1 CARDS.
C
EXTERNAL ORF
LOGICAL MATCH
INTEGER CE(9),CEID,SCCONN,SCMCON,BUF1,BUF2,SAVCE,ORF,Z,
1 SCR2,BUF3,SCORE,COMSET,IO(10),SACONN,AAA(2)
DIMENSION IC(NENT,NPS,NDOF),LIST(32),KROW(6),IERTAB(2000)
COMMON /CMB001/ SCR1,SCR2,JUNK(2),SCCONN,SCMCON
COMMON /CMB002/ BUF1,BUF2,BUF3,JUNK1(2),SCORE,LCORE
COMMON /ZZZZZZ/ Z(1)
COMMON /BLANK / ISTEP,IDRY
DATA AAA / 4HCMCO,4HMB /
C
C CE IS THE CONNECTION ENTRY
C KROW(I) IS THE NO. OF ROWS IN THE ITH DOF MATRIX
C
IERSUB = 0
ITOMNY = 0
IFILE = SCCONN
CALL OPEN (*400,SCCONN,Z(BUF1),0)
IFILE = SCMCON
CALL OPEN (*400,SCMCON,Z(BUF2),0)
NREC = -1
NPSS = NPS - 1
NWORD = NPS + 1
IENT = 0
DO 10 I = 1,6
10 KROW(I) = 0
SAVCE = 0
20 CALL READ (*410,*190,SCMCON,CEID,1,0,NNN)
NREC = CEID - SAVCE - 1
SAVCE = CEID
C
C GO FIND ENTRY NO. CEID
C
IFILE = SCCONN
IF (NREC .EQ. 0) GO TO 40
DO 30 I = 1,NREC
CALL FWDREC (*420,SCCONN)
30 CONTINUE
C
C READ IN CONNECTION ENTRY
C
40 CALL READ (*410,*50,SCCONN,CE,10,1,NNN)
C
C FIND WHICH DOF ARE PRESENT IN CONNECTION ENTRY
C
50 CALL DECODE (CE(1),LIST,NCOMP)
DO 180 I = 1,NCOMP
ICOMP = LIST(I) + 1
IF (KROW(ICOMP) .EQ. 0) GO TO 170
C
C FIND FIRST NON-ZERO ENTRY IN CURRENT CE
C
DO 60 J = 1,NPSS
IF (CE(J+2) .EQ. 0) GO TO 60
ISUB = J
GO TO 70
60 CONTINUE
C
C NOW HAVE FOUND FIRST NON-ZERO, SEARCH FOR POSSIBLE
C MATCHING ENTRIES IN MATRIX
C
70 NLOOP = KROW(ICOMP)
DO 140 J = 1,NLOOP
MATCH = .FALSE.
NERSUB = 0
DO 110 JJ = ISUB,NPSS
IF (IC(J,JJ,ICOMP).EQ.0 .OR. CE(JJ+2).EQ.0) GO TO 110
IF (IC(J,JJ,ICOMP)-CE(JJ+2)) 80,100,80
80 IF (IERSUB+NERSUB .GT. 2000) ITOMNY = 1
IF (IERSUB+NERSUB .GT. 2000) GO TO 90
IERTAB(IERSUB+NERSUB+1) = ICOMP
IERTAB(IERSUB+NERSUB+2) = JJ
IERTAB(IERSUB+NERSUB+3) = IC(J,JJ,ICOMP)
IERTAB(IERSUB+NERSUB+4) = CE(JJ+2)
NERSUB = NERSUB + 4
90 CONTINUE
GO TO 110
100 MATCH = .TRUE.
110 CONTINUE
IF (MATCH) IERSUB = IERSUB + NERSUB
IF (.NOT.MATCH) GO TO 140
DO 130 JJ = ISUB,NPSS
IF (CE(JJ+2).NE.0 .AND. IC(J,JJ,ICOMP).NE.0) GO TO 130
IC(J,JJ,ICOMP) = IC(J,JJ,ICOMP) + CE(JJ+2)
130 CONTINUE
IC(J,NPSS+1,ICOMP) = ORF(IC(J,NPSS+1,ICOMP),CE(2))
GO TO 180
140 CONTINUE
150 DO 160 JJ = 1,NPSS
IC(NLOOP+1,JJ,ICOMP) = CE(JJ+2)
160 CONTINUE
IC(NLOOP+1,NPSS+1,ICOMP) = CE(2)
KROW(ICOMP) = KROW(ICOMP) + 1
GO TO 180
170 NLOOP = 0
GO TO 150
180 CONTINUE
GO TO 20
190 CONTINUE
IF (IERSUB .EQ. 0) GO TO 200
C
C GENERATE ERROR TABLE AND TERMINATE
C
CALL CLOSE (SCCONN,1)
CALL CLOSE (SCMCON,1)
CALL CMTRCE (IERTAB,IERSUB,ITOMNY)
IDRY = -2
RETURN
C
200 CONTINUE
CALL CLOSE (SCCONN,1)
IFILE = SCR2
CALL OPEN (*400,SCR2,Z(BUF3),1)
DO 240 K = 1,NDOF
IROW = KROW(K)
IF (IROW) 240,240,210
210 DO 230 I = 1,IROW
IO(1) = K
IO(2) = IC(I,NPS,K)
DO 220 J = 1,NPSS
IO(J+2) = IC(I,J,K)
220 CONTINUE
CALL WRITE (SCR2,IO(1),NPS+1,0)
230 CONTINUE
240 CONTINUE
CALL WRITE (SCR2,IO(1),0,1)
CALL CLOSE (SCR2,1)
CALL OPEN (*400,SCR2,Z(BUF3),0)
CALL READ (*410,*250,SCR2,Z(SCORE),LCORE,1,NWD)
GO TO 430
250 CALL SORT (0,0,NPS+1,2,Z(SCORE),NWD)
CALL CLOSE (SCR2,1)
CALL OPEN (*400,SCR2,Z(BUF3),1)
IFIN = SCORE + NWD - 1
IINC = NPS + 1
DO 310 I = SCORE,IFIN,IINC
IF (Z(I)) 260,310,260
260 COMSET = Z(I)
IBEG = I + IINC
DO 280 J = IBEG,IFIN,IINC
IF (Z(J) .EQ. 0) GO TO 280
IF (Z(J+1) .GT. Z(I+1)) GO TO 290
DO 270 K = 1,NPSS
IF (Z(I+K+1) .NE. Z(J+K+1)) GO TO 280
270 CONTINUE
COMSET = 10*COMSET+Z(J)
Z(J) = 0
280 CONTINUE
290 CALL ENCODE (COMSET)
IO(1) = COMSET
DO 300 KK = 1,NPS
IO(1+KK) = Z(I+KK)
300 CONTINUE
CALL WRITE (SCR2,IO,NPS+1,1)
310 CONTINUE
CALL REWIND (SCMCON)
IFILE = SCMCON
CALL READ (*410,*320,SCMCON,Z(SCORE),LCORE,1,NMCON)
320 NCE = 0
SACONN = SCCONN
CALL OPEN (*400,SCCONN,Z(BUF1),0)
330 CALL READ (*360,*340,SCCONN,CE,10,1,NNN)
340 NCE = NCE + 1
DO 350 I = 1,NMCON
IF (NCE .EQ. Z(SCORE+I-1)) GO TO 330
350 CONTINUE
CALL WRITE (SCR2,CE,NPS+1,1)
GO TO 330
360 CALL CLOSE (SCMCON,1)
CALL CLOSE (SCCONN,1)
CALL CLOSE (SCR2,1)
SCCONN = SCR2
SCR2 = SACONN
RETURN
C
400 IMSG = -1
GO TO 440
410 IMSG = -2
GO TO 440
420 IMSG = -3
GO TO 440
430 IMSG = -8
440 CALL MESAGE (IMSG,IFILE,AAA)
RETURN
END
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