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|
subroutine matode
c ====================================================================
c simulation non lineaire
c ====================================================================
c Copyright INRIA
include '../stack.h'
integer iadr,sadr
c
c common de lsode,lsoda,lsodar
double precision xxxx,yyyy,rlsr
integer ilsr
common/ls0001/xxxx(219),iiii(39)
common/lsa001/yyyy(22),jjjj(9)
common/lsr001/ rlsr(5),ilsr(9)
common/eh0001/kkkk(2)
save /ls0001/,/lsa001/,/lsr001/,/eh0001/
c
c commons avec bydot,bjac,....
c
character*(nlgh+1) namef,namej,names
common/cydot/namef
common/cjac/namej
common/csurf/names
integer iero
common/ierajf/iero
c
double precision atol,rtol,t0,tout
double precision h0,hmax,hmin,tcrit,tmax
integer top1,top2,tope,hsize
c meth is simulator number, and jactyp the jacobian type used
integer meth,jactyp
logical jaco,achaud,withw,single
external bydot,bjac,bsurf
integer raide(2),root(2),adams,discre,rkf(3),rk(2),fix(2)
integer params(nsiz)
data raide/28,29/,adams/10/,root/27,24/
data discre/13/,rkf/27,20,15/,rk/27,20/,fix/15,18/
data params/-235739080,-303896856,669247720,3*673720360/
c
iadr(l)=l+l-1
sadr(l)=(l/2)+1
c
if (ddt .eq. 4) then
write(buf(1:4),'(i4)') fin
call basout(io,wte,' matode '//buf(1:4))
endif
c
iflagcr=0
c
c get %ODEOPTIONS variable
ifin=fin
fin=-1
istate=1
call stackg(params)
if(fin.eq.0) then
c call msgs(72,0)
iopt=0
itask=1
jactyp=2
ml=-1
mu=-1
else
iopt=1
il=iadr(lstk(fin))
l=sadr(il+4)
c %ODEOPTIONS=[itask,tcrit,h0,hmax,hmin,jactyp,mxstep,..
c mxordn,mxords,ixpr, ml,mu]
itask=int(stk(l))
if(itask.lt.1.or.itask.gt.5) then
buf=' invalid option (first entry)'
call error(9999)
return
endif
tcrit=stk(l+1)
h0=stk(l+2)
hmax=stk(l+3)
hmin=stk(l+4)
if(hmin.gt.hmax) then
buf=' what? hmin greater than hmax?'
call error(9999)
return
endif
jactyp=int(stk(l+5))
if(jactyp.lt.0.or.jactyp.gt.5) then
buf=' invalid option (entry no 4)'
call error(9999)
return
endif
mxstep=int(stk(l+6))
mxordn=int(stk(l+7))
mxords=int(stk(l+8))
ixpr=int(stk(l+9))
ml=int(stk(l+10))
mu=int(stk(l+11))
endif
c .....
c
fin=ifin
withw=.false.
tope=top
itype=0
goto ( 90,100,120,130,140) fin
100 return
c
c ode
c
90 continue
if(rhs.lt.4) then
call error(39)
return
endif
c
c lw=premiere adresse libre dans la pile
lw=lstk(top+1)
c
c test demarrage a chaud
ifin=iadr(lstk(top))
achaud=istk(ifin).eq.1
if(achaud) then
c ilc=adresse of lsod* integer work space
top=top-2
il=iadr(lstk(top+2))
if(istk(il).ne.1) then
err=rhs
call error(53)
return
endif
liwp=istk(il+2)*istk(il+1)
lci=sadr(il+4)
ilc=iadr(lci)
c lc=adresse of lsod* real work space
il=iadr(lstk(top+1))
if(istk(il).ne.1) then
err=rhs-1
call error(53)
return
endif
lc=sadr(il+4)
lrwp=istk(il+1)*istk(il+2)
endif
c
top2=top-rhs+1
if(achaud) top2=top2+2
ile=iadr(lstk(top2))
c
if(istk(ile).eq.10) then
top2=top2+1
if(abs(istk(ile+6)).eq.adams) then
c lsode (adams)
meth=1
elseif(abs(istk(ile+6)).eq.raide(1) .and.
$ abs(istk(ile+7)).eq.raide(2)) then
c lsode (gear)
meth=2
elseif(abs(istk(ile+6)).eq.root(1) .and.
$ abs(istk(ile+7)).eq.root(2)) then
c lsodar
meth=3
elseif(abs(istk(ile+6)).eq.discre) then
c ldisc
meth=4
elseif(abs(istk(ile+6)).eq.rkf(1) .and.
$ abs(istk(ile+7)).eq.rkf(2) .and.
$ abs(istk(ile+8)).eq.rkf(3)) then
c rkf45
meth=6
elseif(abs(istk(ile+6)).eq.rk(1) .and.
$ abs(istk(ile+7)).eq.rk(2)) then
c rk4
meth=5
elseif(abs(istk(ile+6)).eq.fix(1) .and.
$ abs(istk(ile+7)).eq.fix(2)) then
c rksimp
meth=7
else
call error(42)
return
endif
else
c lsoda
meth=0
endif
c
if(meth.lt.3) then
if(lhs.ne.3.and.lhs.ne.1) then
call error(41)
return
endif
elseif(meth.eq.3) then
if(lhs.eq.3.or.lhs.gt.4) then
call error(41)
return
endif
elseif(meth.ge.4) then
if(lhs.ne.1) then
call error(41)
return
endif
endif
c
top1=top
c
if(meth.eq.3) then
c on recupere le simulateur des equations des surfaces
ilsurf=iadr(lstk(top1))
if(istk(ilsurf).ne.10.and.istk(ilsurf).ne.15.and.
$ istk(ilsurf).ne.11.and.istk(ilsurf).ne.13) then
err=rhs-(tope-top1)
call error(80)
return
endif
if(istk(ilsurf).eq.10) then
names=' '
call cvstr(istk(ilsurf+5)-1,istk(ilsurf+6),names,1)
names(istk(ilsurf+5):istk(ilsurf+5))=char(0)
call setfsurf(names,irep)
if ( irep.eq.1) then
buf = names
call error(50)
return
endif
endif
ksurf=top1
top1=top1-1
c ... et le nombre d'equations
il=iadr(lstk(top1))
if(istk(il).ne.1) then
err=rhs-(tope-top1)
call error(53)
return
endif
if(istk(il+1)*istk(il+2).ne.1) then
err=rhs-(tope-top1)
call error(89)
return
endif
l=sadr(il+4)
nsurf=stk(l)
top1=top1-1
else
ksurf=0
endif
il=iadr(lstk(top1-1))
if(istk(il).eq.10.or.istk(il).eq.15.or.
$ istk(il).eq.11.or.istk(il).eq.13) then
c JACOBIAN IS GIVEN (variable top1)
ilj=iadr(lstk(top1))
islj=istk(ilj)
if(islj.lt.10.or.islj.gt.15.or.islj.eq.12) then
err=rhs-(tope-top1)
call error(80)
return
endif
if(islj.eq.10) then
namej=' '
call cvstr(istk(ilj+5)-1,istk(ilj+6),namej,1)
namej(istk(ilj+5):istk(ilj+5))=char(0)
call setfjac(namej,irep)
if ( irep.eq.1) then
buf = namej
call error(50)
return
endif
endif
if (meth.ge.4) then
call msgs(75,0)
endif
if(jactyp.eq.0.and.(meth.eq.2.or.meth.eq.1)) then
call msgs(75,0)
endif
jaco=.true.
if(iopt.eq.0) then
c set jactyp (jacobian is supposed full)
jactyp=1
else
c check jactyp
if(jactyp.eq.2.or.jactyp.eq.5) then
call msgs(75,0)
endif
endif
kjac=top1
top1=top1-1
else
c JACOBIAN NOT GIVEN
if(iopt.eq.0) then
c set jactyp (estimated jacobian is supposed full)
jactyp=2
else
c check jactyp
if(jactyp.eq.1.or.jactyp.eq.4) then
c %ODEOPTIONS requires the jacobian
call msgs(76,0)
jactyp=jactyp+1
endif
endif
jaco=.false.
kjac=0
endif
kytop=top1
c
c rhs
ilf=iadr(lstk(top1))
islf=istk(ilf)
if(islf.ne.10.and.islf.ne.15.and.islf.ne.11.and.islf.ne.13) then
err=rhs-(tope-top1)
call error(80)
return
endif
kydot=top1
if(islf.eq.10) then
namef=' '
call cvstr(istk(ilf+5)-1,istk(ilf+6),namef,1)
namef(istk(ilf+5):istk(ilf+5))=char(0)
call setfydot(namef,irep)
if ( irep.eq.1) then
buf = namef
call error(50)
return
endif
c test list('fex',w)
elseif(islf.eq.15) then
le1=sadr(ilf+istk(ilf+1)+3)
if(istk(iadr(le1)).eq.10) then
withw=.true.
c next line just to tell to bydot that external is in fortran
istk(ilf)=10
if(istk(ilf+1).ne.2) then
buf='wrong list passed: needs two elts in list'
call error(9999)
return
endif
long1=istk(ilf+3)
lf=lstk(top1)
illl=iadr(lf+istk(ilf+3))
nblett=istk(illl-1)-1
namef=' '
call cvstr(istk(ilf+11)-1,istk(ilf+12),namef,1)
namef(istk(ilf+11):istk(ilf+11))=char(0)
call setfydot(namef,irep)
if ( irep.eq.1) then
buf = namef
call error(50)
return
endif
ll1=sadr(ilf+5)
ll2=ll1+long1-1
il2=iadr(ll2)
nbw=istk(il2+1)*istk(il2+2)
if(istk(il2+3).ne.0) then
buf='working array must be real'
call error(9999)
return
endif
lww=sadr(il2+4)
c lww = adr w , nbw = size (w)
endif
endif
c
c jaco,type and meth initialized ...
c top2 point on y0
c
c y0
kynew=top2
il=iadr(lstk(top2))
it=istk(il+3)
c
if(istk(il).eq.1) then
hsize=4
ny=istk(il+1)*istk(il+2)*(istk(il+3)+1)
elseif(istk(il).eq.2) then
mn=istk(il+1)*istk(il+2)
hsize=9+mn
ny=(istk(il+8+mn)-1)*(istk(il+3)+1)
else
err=rhs-(tope-top2)
call error(44)
return
endif
if(it.eq.1) nys2=ny/2
ly=sadr(il+hsize)
c list('fex',w)
if(withw) then
if(top+1.ge.bot) then
call error(18)
return
endif
top=top+1
c kynew=top
ily=iadr(lstk(top))
err=sadr(ily+4)+ny+nbw-lstk(bot)
if(err.gt.0) then
call error(17)
return
endif
istk(ily+1)=1
istk(ily+2)=ny+nbw
istk(ily+3)=1
istk(ily+4)=0
ly1=sadr(ily+4)
call unsfdcopy(ny,stk(ly),1,stk(ly1),1)
call unsfdcopy(nbw,stk(lww),1,stk(ly1+ny),1)
lstk(top+1)=ly1+ny+nbw
ly=ly1
lw=lstk(top+1)
endif
lw1=lw
lw=sadr(iadr(lw1)+13)
c
c t0
top2=top2+1
kttop=top2
il=iadr(lstk(top2))
if(istk(il).ne.1) then
err=rhs-(tope-top2)
call error(53)
return
endif
l=sadr(il+4)
t0=stk(l)
c t1
top2=top2+1
il=iadr(lstk(top2))
if(istk(il).ne.1) then
err=rhs-(tope-top2)
call error(53)
return
endif
c number of output points
nn=istk(il+1)*istk(il+2)
c pointer on output time vector
lt1=sadr(il+4)
c
c optionnal parameters rtol et atol
top2=top2+1
c default values
if(meth.eq.6.or.meth.eq.7) then
rtol=1.d-3
atol=1.d-4
else
rtol=1.0d-7
atol=1.0d-9
endif
nr=1
na=1
jobtol=kytop-top2+1
c jobtol=(nothing ,rtol only,rtol and atol)
c
if(jobtol.eq.1) then
c default tolerances
lr=lw
la=lr+1
stk(la)=atol
stk(lr)=rtol
else
c rtol given
lr=lw
c rtol
il=iadr(lstk(top2))
if(istk(il).ne.1) then
err=rhs-(tope-top2)
call error(53)
return
endif
nr=istk(il+1)*istk(il+2)
if(nr.ne.1.and.nr.ne.ny) then
err=rhs-(tope-top2)
call error(89)
return
endif
lrt=sadr(il+4)
call unsfdcopy(nr,stk(lrt),1,stk(lr),1)
la=lr+nr
c atol
if(jobtol.eq.2) then
c . default
stk(la)=atol
else
c . atol given
top2=top2+1
il=iadr(lstk(top2))
if(istk(il).ne.1) then
err=rhs-(tope-top2)
call error(53)
return
endif
na=istk(il+1)*istk(il+2)
if(na.ne.1.and.na.ne.ny) then
err=rhs-(tope-top2)
call error(89)
return
endif
lat=sadr(il+4)
call unsfdcopy(na,stk(lat),1,stk(la),1)
endif
endif
lw=la+na
c set input top value
if(achaud) top=top+2
c
if(nr.eq.1.and.na.eq.1) itol=1
if(nr.eq.1.and.na.gt.1) itol=2
if(nr.gt.1.and.na.eq.1) itol=3
if(nr.gt.1.and.na.gt.1) itol=4
c
c compute integrator workspace sizes
if(meth.eq.0) then
c lsoda
lrw=22+ny*max(16,ny+9)
liw=20+ny
nsizd=241
nsizi=50
if(jactyp.eq.4.or.jactyp.eq.5) then
lrn=20+16*ny
lrs=22+10*ny+(2*ml+mu)*ny
lrw=max(lrn,lrs)
endif
elseif(meth.eq.1) then
c lsode - adams
if(jactyp.eq.1.or.jactyp.eq.2) then
lrw=22+16*ny+ny*ny
elseif(jactyp.eq.4.or.jactyp.eq.5) then
lrw=22+16*ny+(2*ml+mu+1)*ny
else
lrw=20+16*ny
endif
liw=20+ny
nsizd=219
nsizi=41
elseif(meth.eq.2) then
c lsode gear
if(jactyp.eq.1.or.jactyp.eq.2) then
lrw=22+9*ny+ny*ny
elseif(jactyp.eq.4.or.jactyp.eq.5) then
lrw=22+9*ny+(2*ml+mu+1)*ny
else
lrw=20+9*ny
endif
liw=20+ny
nsizd=219
nsizi=41
elseif(meth.eq.3) then
c lsodar
ilroot=iadr(lw)
lw=sadr(ilroot+nsurf)
lrw= 22 + ny * max(16, ny + 9) + 3*nsurf
liw=20+ny
nsizd=246
nsizi=59
elseif(meth.eq.4) then
c lsdisc
lrw=ny
liw=1
elseif(meth.eq.5) then
c lsrgk
lrw=3*ny
liw=1
elseif(meth.eq.6) then
c rkf45
lrw=3+8*ny
liw=5
elseif(meth.eq.7) then
c rksimp
lrw=3+8*ny
liw=1
endif
c
c hot start
c
if(achaud) then
if(meth.le.3) then
c check for input hot start table consistency
if(lrwp.ne.lrw+nsizd) then
buf=' Real hot start table has incorrect size'
call error(9999)
return
endif
if(liwp.ne.liw+nsizi) then
buf=' Input hot start table has incorrect size'
call error(9999)
return
endif
endif
istate=2
c commons retrieval from hot start tables
if(meth.eq.0) then
c lsoda
lsavs=lc+lrwp-nsizd
lsavi=lci+liwp-nsizi
call rscma1(stk(lsavs),stk(lsavi))
elseif(meth.eq.1.or.meth.eq.2) then
c lsode
lsavs=lc+lrwp-nsizd
lsavi=lci+liwp-nsizi
call rscom1(stk(lsavs),stk(lsavi))
elseif(meth.eq.3) then
c lsodar
lsavs=lc+lrwp-nsizd
lsavi=lci+liwp-nsizi
call rscar1(stk(lsavs),stk(lsavi))
endif
c integer workspace retrieval
do 40 k=1,liw
istk(ilc+k-1)=int(stk(lci+k-1))
40 continue
endif
c
c
c compute pointer on ode real and integer work spaces
lc0=lw
li=lc0+lrw
c
ili=iadr(li)
lw=sadr(ili+liw)
c
c get memory to store results
lyp=lw
if(itask.eq.2.or.itask.eq.3.or.itask.eq.5) then
c unknown number of output points. space for points
c will be allocated later
single=.true.
lw=lyp
if(nn.ne.1) then
call msgs(77,0)
stk(lt1)=stk(lt1+nn-1)
nn=1
endif
if(it.ne.0) then
buf='itask=2,3 or 5: y0 must be a real vector'
call error(9999)
return
endif
else
c number of output points is equal to number of t points all
c space allocated here
single=.false.
lw=lw+nn*ny
endif
c top points on external workspace
top=top+1
lstk(top+1)=lw
err=lstk(top+1)-lstk(bot)
if(err.gt.0) then
call error(17)
return
endif
c
call xsetf(1)
call xsetun(wte)
c
if(.not.achaud) then
lc=lc0
ilc=ili
endif
c
c data structure passed to externals, it contains pointer
c to externals parameters
c
ilw1=iadr(lw1)
istk(ilw1)=3
istk(ilw1+1)=ilw1+4
istk(ilw1+2)=ilw1+7
istk(ilw1+3)=ilw1+10
istk(ilw1+4)=kydot
istk(ilw1+5)=kttop
istk(ilw1+6)=kynew
istk(ilw1+7)=kjac
istk(ilw1+8)=kttop
istk(ilw1+9)=kynew
istk(ilw1+10)=ksurf
istk(ilw1+11)=kttop
istk(ilw1+12)=kynew
c
if(iopt.eq.1) then
c copy integration options in lsod* workspace
if(itask.ge.4) then
stk(lc)=tcrit
endif
stk(lc+4)=h0
stk(lc+5)=hmax
stk(lc+6)=hmin
if(meth.eq.0.or.meth.eq.3) then
c lsoda/lsodar
if(jactyp.eq.4.or.jactyp.eq.5) then
istk(ilc)=ml
istk(ilc+1)=mu
endif
istk(ilc+4)=ixpr
istk(ilc+5)=mxstep
istk(ilc+6)=0
istk(ilc+7)=mxordn
istk(ilc+8)=mxords
elseif(meth.lt.3) then
c lsode
if(jactyp.eq.4.or.jactyp.eq.5) then
istk(ilc)=ml
istk(ilc+1)=mu
endif
if(meth.lt.2) then
istk(ilc+4)=mxordn
else
istk(ilc+4)=mxords
endif
istk(ilc+5)=mxstep
istk(ilc+6)=0
endif
endif
tmax=stk(lt1+nn-1)
niter=nn
if(ixpr.eq.1.and.iopt.eq.1) then
write(buf,'(''itask = '',i3,'' meth = '',i3,'' jactyp = '','//
$ 'i3,'' ml = '',i3,'' mu = '',i3,'' iopt = '',i3)')
$ itask,meth,jactyp,ml,mu,iopt
call basout(io,wte,buf(1:80))
write(buf,'(''tcrit= '',e9.4,'' h0= '',e9.4, '' hmax= '','//
$ 'e9.4,'' hmin = '',e9.4)')
$ tcrit,stk(lc+4),stk(lc+5),stk(lc+6)
call basout(io,wte,buf(1:80))
endif
if(single) then
c loop til t=tout
c --------------
tout=tmax
k=0
nn=0
50 k=k+1
nn=nn+1
if(meth.eq.0) then
call lsoda(bydot,ny,stk(ly),t0,tout,itol,stk(lr),
1 stk(la),itask,istate,iopt,stk(lc),lrw,istk(ilc),
2 liw,bjac,jactyp)
elseif(meth.eq.1.or.meth.eq.2) then
call lsode(bydot,ny,stk(ly),t0,tout,itol,stk(lr),
1 stk(la),itask,istate,iopt,stk(lc),lrw,istk(ilc),
2 liw,bjac,10*meth+jactyp)
elseif(meth.eq.3) then
call lsodar(bydot,ny,stk(ly),t0,tout,itol,stk(lr),
1 stk(la),itask,istate,iopt,stk(lc),lrw,istk(ilc),
2 liw,bjac,jactyp,bsurf,nsurf,istk(ilroot))
elseif(meth.eq.4) then
call lsdisc(bydot,ny,stk(ly),t0,tout, stk(lc),lrw,
1 istate)
elseif(meth.eq.5) then
call lsrgk(bydot,ny,stk(ly),t0,tout,itol,stk(lr),
1 stk(la),itask,istate,iopt,stk(lc),lrw,istk(ilc),
2 liw,bjac,meth)
if(iero.eq.-1) then
write(buf,'(e10.3)') tout
call msgs(70,0)
endif
elseif(meth.eq.6) then
call rkf45(bydot,ny,stk(ly),t0,tout,itol,rtol,
1 atol,itask,istate,iopt,stk(lc),lrw,istk(ilc),
2 liw,bjac,meth)
elseif(meth.eq.7) then
call rksimp(bydot,ny,stk(ly),t0,tout,itol,rtol,
1 atol,itask,istate,iopt,stk(lc),lrw,istk(ilc),
2 liw,bjac,meth)
endif
if(err.gt.0) return
if(istate.lt.0) then
if(meth.le.3) then
if(istate.eq.-3) then
buf='illegal input'
call error(9999)
return
endif
elseif(meth.eq.5) then
call msgs(71,0)
elseif(meth.eq.4) then
if(istate.eq.-3) then
buf ='ode discrete : a requested k is smaller '
$ // ' than initial one'
call error(999)
return
else
return
endif
endif
call msgs(4,ierr)
nn=k-1
goto 500
endif
if((meth.eq.6.or.meth.eq.7).and.istate.ne.2) then
nn=k-1
call msgs(74,0)
goto 500
endif
c store intermediate result
lys=lyp+(k-1)*(ny+1)
lstk(top+1)=lys+(ny+1)
err=lstk(top+1)-lstk(bot)
if(err.gt.0) then
call error(17)
return
endif
stk(lys)=t0
call unsfdcopy(ny,stk(ly),1,stk(lys+1),1)
if(t0.ge.tout) then
c tout reached
nn=k
goto 500
endif
if(meth.eq.3.and.istate.eq.3) then
c lsodar: a root found
nn=k
goto 500
endif
if(itask.eq.4.and.iflagcr.eq.1) then
c tcrit reached
nn=k
call msgs(73,0)
goto 500
endif
goto 50
c
else
c
c loop on t points
c--------------------
do 60 k=1,niter
tout=stk(lt1+k-1)
if(itask.ge.4.and.tout.gt.tcrit) then
tout=tcrit
iflagcr=1
endif
if(meth.eq.0) then
call lsoda(bydot,ny,stk(ly),t0,tout,itol,stk(lr),
1 stk(la),itask,istate,iopt,stk(lc),lrw,istk(ilc),
2 liw,bjac,jactyp)
elseif(meth.eq.1.or.meth.eq.2) then
call lsode(bydot,ny,stk(ly),t0,tout,itol,stk(lr),
1 stk(la),itask,istate,iopt,stk(lc),lrw,istk(ilc),
2 liw,bjac,10*meth+jactyp)
elseif(meth.eq.3) then
call lsodar(bydot,ny,stk(ly),t0,tout,itol,stk(lr),
1 stk(la),itask,istate,iopt,stk(lc),lrw,istk(ilc),
2 liw,bjac,jactyp,bsurf,nsurf,istk(ilroot))
elseif(meth.eq.4) then
call lsdisc(bydot,ny,stk(ly),t0,tout, stk(lc),lrw,
1 istate)
elseif(meth.eq.5) then
call lsrgk(bydot,ny,stk(ly),t0,tout,itol,stk(lr),
1 stk(la),itask,istate,iopt,stk(lc),lrw,istk(ilc),
2 liw,bjac,meth)
if(iero.eq.-1) then
write(buf,'(e10.3)') tout
call msgs(70,0)
endif
elseif(meth.eq.6) then
call rkf45(bydot,ny,stk(ly),t0,tout,itol,rtol,
1 atol,itask,istate,iopt,stk(lc),lrw,istk(ilc),
2 liw,bjac,meth)
istk(ilc)=0
istk(ilc+1)=0
elseif(meth.eq.7) then
call rksimp(bydot,ny,stk(ly),t0,tout,itol,rtol,
1 atol,itask,istate,iopt,stk(lc),lrw,istk(ilc),
2 liw,bjac,meth)
endif
if(err.gt.0) return
if(istate.lt.0) then
if(meth.le.3) then
if(istate.eq.-3) then
buf='illegal input'
call error(9999)
return
endif
endif
if(meth.eq.5) call msgs(71,0)
call msgs(4,ierr)
nn=k-1
goto 500
endif
if((meth.eq.6.or.meth.eq.7).and.istate.ne.2) then
nn=k-1
call msgs(74,0)
goto 500
endif
c store intermediate result
if(it.eq.0) then
lys=lyp+(k-1)*ny
call unsfdcopy(ny,stk(ly),1,stk(lys),1)
else
lys=lyp+(k-1)*nys2
call unsfdcopy(nys2,stk(ly),1,stk(lys),1)
call unsfdcopy(nys2,stk(ly+nys2),1,stk(lys+nn*nys2),1)
endif
if(meth.eq.3.and.istate.eq.3) then
c lsodar: a root found
nn=k
goto 500
endif
if(itask.eq.4.and.iflagcr.eq.1) then
c tcrit reached
nn=k
call msgs(73,0)
goto 500
endif
60 continue
endif
c
c form results for output
500 continue
if(lhs.ge.3) then
c preserve lsod* working spaces
lw=lyp+nn*(ny+1)
ilw=iadr(lw+lrw)
err=sadr(ilw+liw)-lstk(bot)
if(err.gt.0) then
call error(17)
return
endif
call unsfdcopy(lrw,stk(lc),1,stk(lw),1)
call icopy(liw,istk(ilc),1,istk(ilw),1)
endif
c form state output
ils=iadr(lstk(kynew))
top=tope-rhs+1
call icopy(hsize,istk(ils),1,istk(ile),1)
ly=sadr(ile+hsize)
nel=istk(ile+1)*istk(ile+2)
if(nn.eq.0) then
istk(ile)=1
istk(ile+1)=0
istk(ile+2)=0
istk(ile+3)=0
lstk(top+1)=sadr(ile+4)
elseif(single) then
istk(ile+1)=istk(ile+1)+1
istk(ile+2)=nn*istk(ile+2)
inc=1
if(ly.gt.lyp) inc=-1
call unsfdcopy((ny+1)*nn,stk(lyp),inc,stk(ly),inc)
lstk(top+1)=ly+(ny+1)*nn
else
istk(ile+2)=nn*istk(ile+2)
if(istk(ile).eq.2) ly=sadr(ile+9+nel*nn)
inc=1
if(ly.gt.lyp) inc=-1
if(meth.eq.3.and.iadr(ly+ny*nn).gt.ilroot) then
c preserve jroot table
ilr1=iadr(lyp+ny*nn)
err=sadr(ilr1)-lstk(bot)
if(err.gt.0) then
call error(17)
return
endif
call icopy(nsurf,istk(ilroot),1,istk(ilr1),1)
ilroot=ilr1
endif
call unsfdcopy(ny*nn,stk(lyp),inc,stk(ly),inc)
lstk(top+1)=ly+ny*nn
if(istk(ile).eq.2) then
c on defini la table des pointeurs
il=ile+7
do 502 i=2,nn
do 501 j=1,nel
istk(il+nel+j+1)=istk(ile+8+j)-1+istk(il+nel+1)
501 continue
il=il+nel
502 continue
endif
endif
if(meth.eq.3) then
if(lhs.lt.2) return
c lsodar: form roots output
top=top+1
il=iadr(lstk(top))
istk(il)=1
istk(il+3)=0
l=sadr(il+4)
if(istate.eq.3) then
istk(il+1)=1
istk(il+2)=1
stk(l)=t0
do 503 i=0,nsurf-1
if(istk(ilroot+i).ne.0) then
l=l+1
istk(il+2)=istk(il+2)+1
stk(l)=i+1
endif
503 continue
else
istk(il+1)=0
istk(il+2)=0
endif
lstk(top+1)=l+1
endif
c form w and iw output
if(lhs.lt.3) return
c w
top=top+1
il=iadr(lstk(top))
istk(il)=1
istk(il+1)=1
istk(il+2)=lrw+nsizd
istk(il+3)=0
l=sadr(il+4)
lstk(top+1)=l+lrw+nsizd
call unsfdcopy(lrw,stk(lw),1,stk(l),1)
lsvs=l+lrw
c iw
top=top+1
il=iadr(lstk(top))
istk(il)=1
istk(il+1)=1
istk(il+2)=liw+nsizi
istk(il+3)=0
l=sadr(il+4)
lstk(top+1)=l+liw+nsizi
do 506 k=1,liw
stk(l+k-1)=dble(istk(ilw+k-1))
506 continue
lsvi=l+liw
if(meth.eq.0) then
call svcma1(stk(lsvs),stk(lsvi))
elseif(meth.lt.3) then
call svcom1(stk(lsvs),stk(lsvi))
else
call svcar1(stk(lsvs),stk(lsvi))
endif
return
c fin de ode.....
c
c intg
c
120 call intg
return
130 call feval
return
140 call bva
return
end
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