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From: Mirsad Todorovac
Subject: range check test programs
Date: 5 Aug 2003, 13:41:53

On Mon, 4 Aug 2003, Frank Heckenbach wrote:

> Mirsad Todorovac wrote:
>
> > > - Val 3rd parameter
> >
> > It's in mir034[cd].pas - I believe they should be in last attachment.
> > I may have forgotten to mention.
>
> They weren't there.

Good Lord! You're right. They're attached now. (rngv0.05.tar.gz)

> > > BTW, some tests do "too much", but I'll leave it at that now. (Hope
> > > they'll always catch the right error.)
> >
> > Well, so do I: but some things I've inherited some of it.
> >
> > I hope you don't mean TGrayScale enumerated type, because I'm sort of fond
> > of it. (-;
>
> No, I don't mean that. Sometimes do you an additional assignment
> after the critical statment and in a few cases you do a loop where a
> single statement at the critical step would suffice.

Well, I was somewhat puzzled if the statement that isn't used by
anything might be optimized out at -O3, I guess.

> > You could have noticed how I try to catch precisely "one off" errors in my
> > last tests, so I hope they're improved by now ...
>
> Yes, in most cases it's quite accurate. (Not always, but that's ok
> -- testing one off *always* could leave a small chance that the
> range checks miss "more" out-of-range cases. So I think in this
> regard the mixture is ok.)

OK.

> Not exactly. These declarations would be valid. But a subrange type
> with a (non-constant) out-of-range initializer.

mir046[ceil][lu].pas

> Still missing now:
>
> - Val 3rd parameter

mir034[cd].pas (finally)

> - Pack, Unpack more strictly

Still TODO.

> - Type initializers

I think that's touched in mir046*.pas

> - `asm' target (IA32 specific suffices)

Still TODO.

I should have done more, but I'm sending this immediatelly, for the
remaining subjects will require more study.

Mirsad

File attachment

• rngv0.05.tar.gz (862 bytes)

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