************************************************************************
C
C     TEST PROGRAM FOR THE SUBROUTINE PNULU
C
      INTEGER NF,NC,IH(1001),JH(20000),ICG(1001),JCG(7000),
     & IPAR(7),IPRNT,ITERM
      DOUBLE PRECISION X(1000),CF(1001),RPAR(5),F,GMAX,CMAX
      DOUBLE PRECISION FMIN
      INTEGER NEXT,IERR,I,ITIME,MM,MC
      INTEGER NITER,NFVAL,NSUCC
      COMMON /PROB/ NEXT
      INTEGER NRES,NDEC,NIIT,NIT,NFV,NFG,NFH
      COMMON /STAT/ NRES,NDEC,NIIT,NIT,NFV,NFG,NFH
      NITER=0
      NFVAL=0
      NSUCC=0
      CALL TYTIM1(ITIME)
C
C     LOOP FOR 18 TEST PROBLEMS
C
      DO 3 NEXT=1,18
C
C     CHOICE OF INTEGER AND REAL PARAMETERS
C
      DO 1 I=1,7
      IPAR(I)=0
    1 CONTINUE
      DO 2 I=1,5
      RPAR(I)=0.0D 0
    2 CONTINUE
      IPRNT=1
C
C     PROBLEM DIMENSION
C
      NF=1000
      NC=1000
C
C     INITIATION OF X AND CHOICE OF RPAR(1)
C
      CALL TIUS20(NF,MM,X,IH,JH,FMIN,RPAR(1),NEXT,IERR)
      CALL TINS20(NF,NC,MC,ICG,JCG,NEXT)
      IF (IERR.NE.0) GO TO 3
      RPAR(1)=0.0D 0
      IF (NEXT.EQ. 4) RPAR(1)=1.0D 1
      IF (NEXT.EQ. 8) RPAR(1)=2.0D 0
      IF (NEXT.EQ. 9) RPAR(5)=2.0D 0
      IF (NEXT.EQ.13) RPAR(5)=1.0D 3
C
C     SOLUTION
C
      CALL PNULU(NF,NC,X,IH,JH,CF,ICG,JCG,IPAR,RPAR,F,GMAX,CMAX,
     & IPRNT,ITERM)
      NITER=NITER+NIT
      NFVAL=NFVAL+NFV
      IF (ITERM.GT.0.AND.ITERM.LT.9) NSUCC=NSUCC+1
    3 CONTINUE
      WRITE(6,10) NITER,NFVAL,NSUCC
   10 FORMAT(' NITER =',I5,3X,' NFVAL =',I5,3X,' NSUCC =',I5)
      CALL TYTIM2(ITIME)
      STOP
      END
C
C     USER SUPPLIED SUBROUTINE (CALCULATION OF FF)
C
      SUBROUTINE OBJ(NF,X,FF)
      INTEGER NF
      DOUBLE PRECISION X(*),FF
      INTEGER NEXT
      COMMON /PROB/ NEXT
C
C     FUNCTION EVALUATION
C
      CALL TFFU20(NF,X,FF,NEXT)
      RETURN
      END
C
C     USER SUPPLIED SUBROUTINE (CALCULATION OF GF)
C
      SUBROUTINE DOBJ(NF,X,GF)
      INTEGER NF
      DOUBLE PRECISION X(*),GF(*)
      INTEGER NEXT
      COMMON /PROB/ NEXT
C
C     GRADIENT EVALUATION
C
      CALL TFGU20(NF,X,GF,NEXT)
      RETURN
      END
C
C     USER SUPPLIED SUBROUTINE (CALCULATION OF FC)
C
      SUBROUTINE CON(NF,KC,X,FC)
      INTEGER NF,KC
      DOUBLE PRECISION X(*),FC
      INTEGER NEXT
      COMMON /PROB/ NEXT
C
C     FUNCTION EVALUATION
C
      CALL TCFU20(NF,KC,X,FC,NEXT)
      RETURN
      END
C
C     USER SUPPLIED SUBROUTINE (CALCULATION OF GC)
C
      SUBROUTINE DCON(NF,KC,X,GC)
      INTEGER NF,KC
      DOUBLE PRECISION X(*),GC(*)
      INTEGER NEXT
      COMMON /PROB/ NEXT
C
C     GRADIENT EVALUATION
C
      CALL TCGU20(NF,KC,X,GC,NEXT)
      RETURN
      END
C
C     EMPTY SUBROUTINES
C
      SUBROUTINE FUN(NF,KA,X,FA)
      INTEGER KA,NF
      DOUBLE PRECISION FA,X(*)
      KA=NF
      FA=X(1)
      RETURN
      END
      SUBROUTINE DFUN(NF,KA,X,GA)
      INTEGER KA,NF
      DOUBLE PRECISION GA(*),X(*)
      KA=NF
      GA(1)=X(1)
      RETURN
      END