[f2py] fortran module crahes from time to time

[volker]

Marek Wojciechowski <mwojc <at> p.lodz.pl> writes:
> 
> Dnia poniedziałek 12 listopad 2007, volker napisał:
> > FORTRAN CODE
> >
> >         subroutine chsign(ar_in,ar_out,n,i)
> >         integer n,i,ar_out(0:n-1)
> >         real*8 ar_in(0:n-1)
> > Cf2py   intent(in) ar_in
> > Cf2py   intent(out) ar_out
> >         do i=0,n-1
> >             if ((ar_in(i).lt.0).and.(ar_in(i+1).gt.0)) then
> >                 ar_out(i+1)=1
> > .....
> 
> Normally such a crashes means you have errors in fortran code, so write 
> programs carefully...
> 

Thanks for that tip. I've looked over the fortan code and found the mistake.
ar_out is of size n-1 and i runs up to n+1 too, so ar_out(i+1) is out of size.

Thanks 
volker