[Bug libfortran/18857] MATMUL failing with ALLOCATED matrices, unless base indices given

[paulthomas2 at wanadoo dot fr]

------- Additional Comments From paulthomas2 at wanadoo dot fr  2005-04-29 14:59 -------
Subject: Re:  MATMUL failing with ALLOCATED matrices, unless base indices given

Tobi,

> The library uses the latter way, so the offset is not needed there.
>
Exactly - I was aware of this because the namelist functions do not use 
base/offset at all.

> BTW this also answers the question of ssize_t vs size_t we were dicussing
> before: correct overflow only plays a role when one uses the first way, 
> and this
> is only used in compiler-generated code.

Yes, that is the point that Thomas was making, when he raised it in the 
first place.

>
> The library only uses the latter kind of indexing and therefore using 
> ssize_t
> should work correctly under all circumstances.

Again, exactly.

As for the care that I am taking - after the business with namelist, I feel 
like the monkey and the billiard ball- I'll see if I can find it on the web. 
You will see why it is appropriate.

Paul




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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18857