C SUPDE2    SOURCE    PV        15/04/22    21:15:11     8499
      SUBROUTINE SUPDE2(IPPVV,IVPO,VAL,VECTBB,
     >  NA,inumli,inbine,ipremf,IPREL,dnorm)

      IMPLICIT INTEGER(I-N)
      IMPLICIT REAL*8 (A-H,O-Z)
      DIMENSION IPPVV(1),IVPO(1),VAL(1),VECTBB(1)

           inumli = IPREL
           NA1 = max(1,(ipremf-inumli+1))
           if (NA1 .ne. 1) inumli = ipremf
           do 20 ii1=NA1,NA
             aux = 0.D0
             ibldeb = ippvv(ii1)
             iblfin = ippvv(ii1+1) - 1
             iposd  = ivpo((2*ibldeb)-1)
             iposf  = ivpo((2*(iblfin+1))-1)-1
             ilong = iposf - iposd + 1
             ideb0 = inumli - ilong
             do 30 ii2=ibldeb,iblfin
               icol = ivpo((2*ii2)-1) + ideb0 - iposd + 1
               ifc =  ivpo((2*(ii2+1))-1) + ideb0 - iposd
               if (ifc .lt. ipremf) GOTO 30
               ideb1 = ivpo(2*ii2)
               ifin1 = ivpo(2*(ii2+1))-1
               if (icol .lt. ipremf) then
                   ideb1 = ideb1+ipremf-icol
                   icol = ipremf
               end if
               if (ifc .eq. inumli) ifin1 = ifin1 - 1
               if (ideb1 .gt. ifin1) GOTO 31
               do 40 ii3=ideb1,ifin1
                   aux = aux + VECTBB(icol) * VAL(ii3)
                   icol = icol + 1
 40            continue
 31          continue
 30          continue
             VECTBB(inumli) = VECTBB(inumli) - aux
             if (abs(vectbb(inumli)).lt.dnorm) vectbb(inumli)=0.d0
             inumli = inumli + 1
             if (inumli .gt. inbine) GOTO 10
 20        continue
 10        continue
           return
           end