ARGH. Who wrote intrinsic_set_exponent.f90?

[Steve Kargl]

On Mon, Aug 28, 2006 at 04:30:21PM -0400, Jack Howarth wrote:
>     This may be a stupid question but what is the utility
> of having equivalence between different type variables
> if one becomes undefined every time the other is assigned?
> The only reason I can imagine is to allow the same memory
> to be reused for two different data types. However that
> doesn't seem quite as useful these days with large amounts
> of ram being typical.

Bingo.  We have a winner.  EQUIVALENCE allowed for the
re-use of memory, and you go to the Fortran 66 standard
to read section 7.2.1.4.  I haven't looked to see if
F66 has the concept of defined and undefined variables.

-- 
Steve