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SUBROUTINE DFPSAV(TOTIME,XPARAM,GD,XLAST,FUNCT1,MDFP,XDFP)
IMPLICIT DOUBLE PRECISION (A-H,O-Z)
INCLUDE 'SIZES'
DIMENSION XPARAM(*), GD(*), XLAST(*), MDFP(9),XDFP(9)
**********************************************************************
*
* DFPSAV STORES AND RESTORES DATA USED IN THE D-F-P GEOMETRY
* OPTIMISATION.
*
* ON INPUT TOTIME = TOTAL CPU TIME ELAPSED DURING THE CALCULATION.
* XPARAM = CURRENT VALUE OF PARAMETERS.
* GD = OLD GRADIENT.
* XLAST = OLD VALUE OF PARAMETERS.
* FUNCT1 = CURRENT VALUE OF HEAT OF FORMATION.
* MDFP = INTEGER CONSTANTS USED IN D-F-P.
* XDFP = REAL CONSTANTS USED IN D-F-P.
* MDFP(9)= 1 FOR DUMP, 0 FOR RESTORE.
**********************************************************************
COMMON /KEYWRD/ KEYWRD
COMMON /GRADNT/ GRAD(MAXPAR),GNORM
COMMON /GEOVAR/ NVAR,LOC(2,MAXPAR), IDUMY, DUMY(MAXPAR)
COMMON /DENSTY/ P(MPACK), PA(MPACK), PB(MPACK)
COMMON /ALPARM/ ALPARM(3,MAXPAR),X0, X1, X2, ILOOP
COMMON /PPARAM/ CURRT
COMMON /GPARAM/ CURRT1,CURRT2
C ***** Modified by Jiro Toyoda at 1994-05-25 *****
C COMMON /PROFIL/ PROFIL
COMMON /PROFIC/ PROFIL
C ***************************** at 1994-05-25 *****
COMMON /SURF / SURF
COMMON /KLOOP / KLOOP
COMMON /IJLP / IJLP, ILP, JLP, JLP1, IONE
COMMON /REACTN/ STEP, GEOA(3,NUMATM), GEOVEC(3,NUMATM),CALCST
COMMON /GEOM / GEO(3,NUMATM), XCOORD(3,NUMATM)
COMMON /GEOKST/ NATOMS,LABELS(NUMATM),
1 NA(NUMATM),NB(NUMATM),NC(NUMATM)
COMMON /ELEMTS/ ELEMNT(107)
CHARACTER KOMENT*81, TITLE*81
COMMON /TITLES/ KOMENT,TITLE
COMMON /PATH / LATOM,LPARAM,REACT(200)
COMMON /MESH / LATOM1,LPARA1,LATOM2,LPARA2
COMMON /MOLKST/ NUMAT,NAT(NUMATM),NFIRST(NUMATM),NMIDLE(NUMATM),
1 NLAST(NUMATM), NORBS, NELECS,NALPHA,NBETA,
2 NCLOSE,NOPEN,NDUMY,FRACT
COMMON /FMATRX/ HESINV(MAXPAR**2+MAXPAR*3+1), IDUMY2(4)
COMMON /ERRFN / ERRFN(MAXPAR), AICORR(MAXPAR)
COMMON /NUMCAL/ NUMCAL
DIMENSION COORD(3,NUMATM)
DIMENSION PROFIL(200)
DIMENSION SURF(23*23)
CHARACTER ELEMNT*2, KEYWRD*241, GETNAM*80
SAVE FIRST
LOGICAL FIRST, INTXYZ
DATA ICALCN/0/
FIRST=(ICALCN.EQ.NUMCAL)
OPEN(UNIT=9,FILE=GETNAM('FOR009')
+ ,STATUS='UNKNOWN',FORM='UNFORMATTED')
REWIND 9
OPEN(UNIT=10,FILE=GETNAM('FOR010')
+ ,STATUS='UNKNOWN',FORM='UNFORMATTED')
REWIND 10
IR=9
IF(MDFP(9) .NE. 0) THEN
IF(MDFP(9) .EQ. 1) THEN
WRITE(6,'(//10X,''- - - - - - - TIME UP - - - - - - -'',//)'
1)
IF(INDEX(KEYWRD,'SADDLE') .NE. 0) THEN
WRITE(6,'(//10X,'' NO RESTART EXISTS FOR SADDLE'',//
1 10X,'' HERE IS A DATA-FILE FILES THAT MIGHT BE SUITABLE'',/
2 10X,'' FOR RESTARTING THE CALCULATION'',///)')
WRITE(6,'(A)')KEYWRD,KOMENT,TITLE
INTXYZ=(NA(1).EQ.0)
DO 30 ILOOP=1,2
IF(INTXYZ)THEN
GEO(2,1)=0.D0
GEO(3,1)=0.D0
GEO(1,1)=0.D0
GEO(2,2)=0.D0
GEO(3,2)=0.D0
GEO(3,3)=0.D0
DO 10 I=1,NATOMS
DO 10 J=1,3
10 COORD(J,I)=GEO(J,I)
ELSE
CALL XYZINT(GEO,NUMAT,NA,NB,NC,1.D0,COORD)
ENDIF
CALL GEOUT(-6)
DO 20 I=1,NATOMS
DO 20 J=1,3
20 GEO(J,I)=GEOA(J,I)
NA(1)=99
30 CONTINUE
WRITE(6,'(///10X,''CALCULATION TERMINATED HERE'')')
STOP
ENDIF
WRITE(6,'(//10X,'' - THE CALCULATION IS BEING DUMPED TO DISK
1'', /10X,'' RESTART IT USING THE MAGIC WORD "RESTART"'')')
WRITE(6,'(//10X,''CURRENT VALUE OF HEAT OF FORMATION =''
1 ,F12.6)')FUNCT1
ENDIF
IF(MDFP(9) .EQ. 1)THEN
IF(NA(1) .EQ. 99) THEN
C
C CONVERT FROM CARTESIAN COORDINATES TO INTERNAL
C
DO 40 I=1,NATOMS
DO 40 J=1,3
40 COORD(J,I)=GEO(J,I)
CALL XYZINT(COORD,NUMAT,NA,NB,NC,1.D0,GEO)
ENDIF
GEO(2,1)=0.D0
GEO(3,1)=0.D0
GEO(1,1)=0.D0
GEO(2,2)=0.D0
GEO(3,2)=0.D0
GEO(3,3)=0.D0
NA(1)=0
CALL GEOUT(6)
ENDIF
WRITE(IR)MDFP,XDFP,TOTIME,FUNCT1
WRITE(IR)(XPARAM(I),I=1,NVAR),(GD(I),I=1,NVAR)
WRITE(IR)(XLAST(I),I=1,NVAR),(GRAD(I),I=1,NVAR)
LINEAR=(NVAR*(NVAR+1))/2
WRITE(IR)(HESINV(I),I=1,LINEAR)
LINEAR=(NORBS*(NORBS+1))/2
WRITE(10)(PA(I),I=1,LINEAR)
IF(NALPHA.NE.0)WRITE(10)(PB(I),I=1,LINEAR)
IF(LATOM.NE.0)THEN
IF(INDEX(KEYWRD,'STEP').NE.0)THEN
WRITE(IR) KLOOP
WRITE(IR) CURRT
WRITE(IR) (PROFIL(I),I=1,KLOOP)
ELSE
WRITE(IR)((ALPARM(J,I),J=1,3),I=1,NVAR)
WRITE(IR)ILOOP,X0, X1, X2
ENDIF
ENDIF
IF(INDEX(KEYWRD,'STEP1').NE.0)THEN
WRITE(IR)IJLP, ILP,JLP,JLP1,IONE
WRITE(IR) CURRT1,CURRT2
WRITE(IR) (SURF(I),I=1,IJLP)
ENDIF
WRITE(IR)(ERRFN(I),I=1,NVAR)
CLOSE (9)
CLOSE (10)
ELSE
IF (FIRST) WRITE(6,'(//10X,'' RESTORING DATA FROM DISK''/)')
READ(IR,END=60,ERR=60)MDFP,XDFP,TOTIME,FUNCT1
IF (FIRST) WRITE(6,'(10X,''FUNCTION ='',F13.6//)')FUNCT1
READ(IR)(XPARAM(I),I=1,NVAR),(GD(I),I=1,NVAR)
READ(IR)(XLAST(I),I=1,NVAR),(GRAD(I),I=1,NVAR)
LINEAR=(NVAR*(NVAR+1))/2
READ(IR)(HESINV(I),I=1,LINEAR)
LINEAR=(NORBS*(NORBS+1))/2
READ(10)(PA(I),I=1,LINEAR)
IF(NALPHA.NE.0)READ(10)(PB(I),I=1,LINEAR)
IF(LATOM.NE.0)THEN
IF(INDEX(KEYWRD,'STEP').NE.0)THEN
READ(IR) KLOOP
READ(IR) CURRT
READ(IR) (PROFIL(I),I=1,KLOOP)
ELSE
READ(IR)((ALPARM(J,I),J=1,3),I=1,NVAR)
READ(IR)ILOOP,X0, X1, X2
ENDIF
ENDIF
IF(INDEX(KEYWRD,'STEP1').NE.0)THEN
READ(IR)IJLP, ILP,JLP,JLP1,IONE
READ(IR) CURRT1,CURRT2
READ(IR) (SURF(I),I=1,IJLP)
ENDIF
READ(IR)(ERRFN(I),I=1,NVAR)
50 FIRST=.FALSE.
RETURN
60 WRITE(6,'(//10X,''NO RESTART FILE EXISTS!'')')
STOP
ENDIF
END
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