(j3.2006) (SC22WG5.5066) [ukfortran] J3 work plan

[Keith Bierman]

I seem to have forgotten, how does tossing arithmetic IF simplify the
compilation system in significant ways? (Not to argue for use, continued,
past etc.).

Implementers can feel free to educate me offline if they prefer.

Keith Bierman
khbkhb at gmail.com
kbiermank AIM
303 997 2749


On Mon, Aug 5, 2013 at 10:21 PM, Van Snyder <van.snyder at jpl.nasa.gov> wrote:

> On Tue, 2013-08-06 at 12:30 +0900, Malcolm Cohen wrote:
> > One might have thought that Arithmetic IF ought to have been frowned
> > on in their style guides for the last 35 years too, for fairly obvious
> > reasons.
>
> Many of these codes began development in FORTRAN IV, well before it was
> standardized in 1966.  In newer developments, arithmetic IF was
> discouraged, and indeed rarely used.  The already-deleted features were
> sufficiently rarely used that it was possible to replace them, but
> arithmetic IF was pervasive.  Funding for maintenance for these codes
> has continually dwindled.  Even funding for new development for, say,
> the uniquely-challenging entry, descent and landing for the Mars Science
> Laboratory, was sketchy.
>
> Malcolm can criticize their practices and second-guess their decisions
> if he wants to, but that doesn't wish their problems away.  He might
> have better success writing, as a British Subject living in Japan, to
> the US Congress, urging sufficient funding to cope with these problems.
> We haven't had much success, especially since the Golden Age of Goldin.
>
>
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