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c Copyright INRIA
subroutine varpak(k,pack,n,nmax,ierr)
c Given a scilab variable, stored in the stack at the position k (in
c lstk) this function returns a "packing" vector pack for pvm.
c A scilab variable is a consecutive memory region formed by a
c succession of integer and double precision vectors.
c pack contains a sequence of pairs of integers.
c varpak returns a vector which contains the size of this integer
c and double precision vectors. pack contains a sequence of pairs of
c integers: pack=[i1,r1,i2,r2,...,in,rn]
c il is a number of integer words
c rl is a number of double precision word
c
c n : is the returned length of pack
c nmax : is the maximum size allowed for pack
INCLUDE '../stack.h'
c
integer k,pack(*)
integer iadr,sadr
c
iadr(l)=l+l-1
sadr(l)=(l/2)+1
ierr=0
il=iadr(lstk(k))
if(istk(il).lt.0) il=iadr(istk(il+1))
c pack(1) = 2
c pack(2) = 3
c pack(3) = 4
c pack(4) = 5
c pack(5) = 6
c pack(6) = 7
c pack(7) = 8
c pack(8) = 9
c n = 8
c return
c write(*,*) 'VARPACK:', istk(il)
if(istk(il).eq.1) then
call spak(il,pack,n,nmax)
elseif(istk(il).eq.2) then
call ppak(il,pack,n,nmax)
elseif(istk(il).eq.4) then
call bpak(il,pack,n,nmax)
elseif(istk(il).eq.5) then
call sppak(il,pack,n,nmax)
elseif(istk(il).eq.6) then
call bsppak(il,pack,n,nmax)
elseif(istk(il).eq.10) then
call cpak(il,pack,n,nmax)
elseif(istk(il).eq.11.or.istk(il).eq.13) then
call mpak(il,pack,n,nmax)
c elseif(istk(il).eq.14) then
c call libpak(il,pack,n,nmax)
elseif(istk(il).eq.15.or.istk(il).eq.16) then
call lpak(il,pack,n,nmax)
else
ierr=1
return
endif
if(n.gt.nmax) then
ierr=2
return
endif
return
end
integer function odd(n)
n1=n
if (2*int(n1/2).ne.n1) n1=n1+1
odd=n1
return
end
subroutine spak(il,pack,n,nmax)
c matrix of number case
INCLUDE '../stack.h'
integer pack(*)
integer iadr,sadr
c
iadr(l)=l+l-1
sadr(l)=(l/2)+1
n=2
if(n.gt.nmax) return
pack(1)=4
pack(2)=istk(il+1)*istk(il+2)*(istk(il+3)+1)
return
end
subroutine ppak(il,pack,np,npmax)
c matrix of polynomial case
INCLUDE '../stack.h'
integer pack(*),np,npmax,odd
integer iadr,sadr
c
iadr(l)=l+l-1
sadr(l)=(l/2)+1
np=2
if(np.gt.npmax) return
id=il+8
mn=istk(il+1)*istk(il+2)
pack(1)=odd(8+mn+1)
pack(2)=(istk(id+mn)-1)*(istk(il+3)+1)
return
end
subroutine bpak(il,pack,np,npmax)
c matrix of boolean case
INCLUDE '../stack.h'
integer pack(*),np,npmax,odd
integer iadr,sadr
c
iadr(l)=l+l-1
sadr(l)=(l/2)+1
np=2
if(np.gt.npmax) return
id=il+8
mn=istk(il+1)*istk(il+2)
pack(1)=odd(3+mn)
pack(2)=0
return
end
subroutine sppak(il,pack,np,npmax)
c sparse matrix of numbers case
INCLUDE '../stack.h'
integer pack(*),np,npmax,odd
integer iadr,sadr
c
iadr(l)=l+l-1
sadr(l)=(l/2)+1
np=2
if(np.gt.npmax) return
nel=istk(il+4)
m=istk(il+1)
n=istk(il+2)
it=istk(il+3)
pack(1)=odd(5+m+nel)
pack(2)=nel*(it+1)
return
end
subroutine bsppak(il,pack,np,npmax)
c sparse matrix of numbers case
INCLUDE '../stack.h'
integer pack(*),np,npmax,odd
integer iadr,sadr
c
iadr(l)=l+l-1
sadr(l)=(l/2)+1
np=2
if(np.gt.npmax) return
nel=istk(il+4)
m=istk(il+1)
n=istk(il+2)
it=istk(il+3)
pack(1)=odd(5+m+nel)
pack(2)=0
return
end
subroutine cpak(il,pack,np,npmax)
c matrix of strings case
INCLUDE '../stack.h'
integer pack(*),np,npmax,odd,vol
integer iadr,sadr
c
iadr(l)=l+l-1
sadr(l)=(l/2)+1
np=2
if(np.gt.npmax) return
mn=istk(il+1)*istk(il+2)
id=il+4
vol=istk(il+4+mn)-1
pack(1)=odd(4+mn+1+vol)
pack(2)=0
return
end
subroutine mpak(il,pack,np,npmax)
c function case (compiled or not)
INCLUDE '../stack.h'
integer pack(*),np,npmax,odd,il1,nin,nout,nt
integer iadr,sadr
c
iadr(l)=l+l-1
sadr(l)=(l/2)+1
np=2
if(np.gt.npmax) return
il1=il+1
nin=istk(il1)
il1=il1+nin*nsiz+1
nout=istk(il1)
il1=il1+nout*nsiz+1
nt=istk(il1)
pack(1)=odd(4+nin*nsiz+nout*nsiz+nt)
pack(2)=0
return
end
subroutine libpak(il,pack,np,npmax)
c function case (compiled or not)
INCLUDE '../stack.h'
integer pack(*),np,npmax,il,odd,nf,ilh,nh,iln,nm
integer iadr,sadr
c
iadr(l)=l+l-1
sadr(l)=(l/2)+1
np=2
if(np.gt.npmax) return
nf = istk(il+1)
ilh = istk(il+2+nf)
nh = istk(ilh)
iln = ilh+nh+1
nm = istk(iln)
write(*,*) nf, nh, nm, istk(iln+1)
pack(1)=odd(4+nf+nh+2*nm+100)
pack(2)=0
return
end
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