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f2c problem

3 messages · Göran Broström, stefano iacus

#
In building princurve package for MacOS I need to use f2c on fortran 
files.

Here is the output of f2c for getlam.f

getlam.f:
    getlam:
    newlam:
    lamix:
Error on line 116 of getlam.f: Declaration error for v: adjustable 
dimension on non-argument
Error on line 116 of getlam.f: wr_ardecls:  nonconstant array size

what I found strange is that both newlam and get lam have definitions 
like


  subroutine newlam(n,p,sx,lambda,tag)
       integer n,p,tag(n)
       double precision sx(n,p),lambda(n),lami


but for some reason f2c complains only with the last lamix subroutine

   subroutine lamix(ns,p,x,s,lambda,dismin,temps)
       integer ns,p
       double precision lambda,x(p),s(ns,p),dismin,temps(p)
       double precision v(2,p),d1sqr,d2sqr,d12,dsqr, d1,w

probably because v is not passed as an argument.

Any idea on how to manage this in f2c ?

Stefano

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#
On Wed, 20 Feb 2002, Stefano Iacus wrote:

            
Definitely because v is local; this construct is a gcc extension to the 
standard, I think. Solutions: 1) pass v as an argument and reserv space
in the calling function. 2) Instead of  p, use 1000 (or some other
large number, which p never will exceed). 3) Use gcc.

Göran

  
    
#
ok, in this case I need to write to the package maintainer. Thanks.

stefano

p.s. on MacOS there is no even the idea of g77 nor gcc.
On Mercoledì, febbraio 20, 2002, at 11:27 , Göran Broström wrote:

            
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