Re: Avoid treating the stack as an array [Re: "Back & Forth" is back!]

In article <e29088cacf765cd0da6519e333fa78f1@www.novabbs.com>,
Ahmed <melahi_ahmed@yahoo.fr> wrote:

Hi,
In fuzzy logic, a triangular membership function mf(x;a,b,c) is defined
as:
>
mf(x;a,b,c) = (x-a)/(b-a) for a <= x < b,
             (c-x)/(c-b) for b <= x < c,
             0e elsewere.
>
defining it with locals:
>
: tri_mf() { f: x f: a f: b f: c } ( f: x a b c -- mv)
    x a f>= x b f< and if x a f- b a f- f/ exit then
    x b f>= x c f< and if c x f- c b f- f/ exit then
    0e
;
>
But defining it without locals ????!!!!!
>
: tri_mf() ( f: x a b c -- mv) ....
>
How?

locals doesn't help here. flocals maybe, but that
is the whole point. You are halfway through the rabbit hole
if you demand flocals dlocals ..

>
Ahmed

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