!!  Copyright (C)  Stichting Deltares, 2012-2014.
!!
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!!  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
!!  GNU General Public License for more details.
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!!
!!  contact: delft3d.support@deltares.nl
!!  Stichting Deltares
!!  P.O. Box 177
!!  2600 MH Delft, The Netherlands
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c      implicit real*8 (a-h,o-z)
c note:::: change dimensions in matinv to value of maxmd if changed
c note:::: implicit real*8 replaced by explicit type declarations
c note:::: add all funtions used in real*8
      integer pf, irow, jcol, jcomp, ijfind, kl, m, mend, ncomp, n,
     2        nit, not, iter, itmax, ierror, lastcp, ke, ncycle, nbstar,
     3        kpf, naij, iopt, mtog, marith, nemb, nema, iarith, ifind,
     5        intitl, insolv, ijohn, ilp, imatrx, ipush, irows, iscale
      integer maxm, maxmd, maxp, maxn, maxaij, maxn2, maxp2, ntot
      character*6 ka, kb, nr, kn, nam, end, blank, h2o, hplus
      real*8 aij,bbb,phk,t,bmult,b,pie,v1,v2,v3,v4,x,xmf,c,x1,x2,x3,
     2       xbar,r,fe,fe2,ermb,xemb,erma,xema,tol1,tol2,xmin,xstart,
     3       barmin,slacks,aliter,rt,gamma,ehk,ceck,delv2,adt,bdt,bdot,
     4       temp,tt,press,str,str1
      logical  bready,bactiv,bactwa,bconc,btemp,bpress,bppm,brt,bnew
      real*8 c1,c2,diam,delth,ch,gfw,apt,bpt,compr,delv
      parameter (maxm=  40,
     2          maxmd=  60,
     3           maxp=  25,
     4          maxn = 200,
     5        maxaij = 600, maxn2 = maxn+1, maxp2 = maxp+1)
      common /real8/ aij(maxaij), bbb(maxm,5), phk, t(20),
     2      bmult(5), b(maxm), pie(maxmd), v1(maxmd), v2(maxmd),
     3      v3(maxmd), v4(maxmd), x(maxn), xmf(maxn), c(maxn),
     4      x1(maxn), x2(maxn), x3(maxn), xbar(maxp),
     5      r(maxmd,maxmd), fe, fe2, ermb, xemb, erma, xema,
     6      tol1, tol2, xmin, xstart, barmin, slacks, aliter, rt
      common /hol6/ ka(12), kb(12), nr(maxm,2), kn(maxn),
     2      nam(maxp,2), end, blank, h2o, hplus
      common /intgr/ irow(maxaij), jcol(maxaij), jcomp(maxn),
     2      ijfind(maxn2), kl(maxp2), m, mend, ncomp, n, nit, not, pf,
     3      iter, itmax, ierror, lastcp, ke, ncycle, nbstar, kpf,
     4      naij, iopt, mtog, marith, nemb, nema, iarith, ifind,
     5      intitl, insolv, ijohn, ilp, imatrx, ipush, irows, iscale
      equivalence (n,ntot)
      common /water/ c1(maxn), c2(maxn), diam(maxn), gamma(maxn),
     2      delth(maxn), ch(maxn), gfw(maxn), ehk, ceck,
     3      apt(maxn), bpt(maxn), compr(maxn), delv(maxn), delv2(maxn),
     4      adt, bdt, bdot, temp, tt, press, str, str1,
     5      bready,bactiv,bactwa,bconc,btemp,bpress,bppm,brt,bnew
c note:::: NEW ARRAY COMMAS (MASS COMPONENTS G/MOL) ADDED
c note:::: NEW ARRAY VARNAM (TRANSPORT VECTOR NAMES) ADDED
c note:::: NEW VAR NTRANS (LENGTH TRANSPORT VECTOR) ADDED
      REAL*4       COMMAS
      CHARACTER*10 VARNAM
      INTEGER      NTRANS
      COMMON /JOSR/ COMMAS(MAXM)
      COMMON /JOSC/ VARNAM(MAXN)
      COMMON /JOSI/ NTRANS