[patch, fortran] Handling of .and. and .or. expressions

[Thomas Koenig]

Am 16.06.2018 um 12:53 schrieb Janus Weil:
>> Yes. Back when I followed c.l.f, several experts did advise people to
>> never
>> use functions unless they were pure (or more or less effectively so, if
>> they didn't fulfill the standard requirements for purity). Considering
>> that
>> at least some of those same experts were also part of the Fortran
>> standards
>> committee, I just find it very strange that, to the best of my
>> knowledge,
>> no effort to fix this has been done.

That is a bit distorted, at least from what I remember.

The advice was rather "If you use functions with side effects, you may
have problems". Something quite different.

> Very strange indeed.
> 
> If someone tells me "don't use functions in Fortran", then what I hear is "don't use Fortran, it's broken".

Well, nobody did, to the best of my knowledge (and I followed the same
discussions).