>
> Metcalf & Reid 's example program "clock.f90" shows two ways to
> use the System_Clock subroutine.
I do not think this comes from our book.
> The second one calls the subroutine without arguments. This seems to be
> allowed, because all three arguments are optional.
Agreed.
> Question ONE: What could be the idea of this usage, because the result is not
> mentioned explicitly in the standard.
It is not very useful, but there are plenty of other
statements that are legal but not very useful, e.g.,
I = I
>
> TWO: The following program, copiled with Salford FTN95 produces
> error-messages.
Salford has a bug, IMHO.
John Reid.
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