[Bug libfortran/23889] non intuitive behaviour of gfortran

[kargl at gcc dot gnu dot org]

------- Additional Comments From kargl at gcc dot gnu dot org  2005-09-15 00:15 -------
(In reply to comment #0)
> consider the following program
> program random
> implicit none
>  real :: x
>  call random_seed();
>  call random_number(x);
>  write(*,*) x
> end program random
> 
> When I run this program, I want to output different random numbers for
> each run. This does not happen with gfortran.
> 
 
> I agree that the current gfortran's behaviour is standard conforming.

Enough said.

> But it is counter intuitive.

It is counter intuitive to you not me.

> Absoft 8.0 exhibits this behaviour
> 
> % f90 random.f90
> % ./a.out
>    0.139087
> % ./a.out
>    0.139087
> % ./a.out
>    0.139087
> % ./a.out
>    0.139087
> 
> 
> So absoft, intel, g95 compilers generate different sequences on
> subsequent runs.

What is Absoft's behavior?  It appears to agree with gfortran.



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23889