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Yes I would agree, and I was thinking about that
too and liked it, but implementing this would
a) potentially break existing code (if anybody uses
H1 or similar for any other purpose)
b) potentially cause the same confusion as C@x or C#1 (positive number for referring
past)
Similar solution is C.1 , H.1 (using dot "member
of") and althogh it does not suffer from a)
it suffers from b). And no, C.-1 is not an option,
since it is visually to similar to C-.1
(which is valid statement Close - 0.1
)
All in all, it seems that it would be hard to come
up with solution that would please everybody.
Theoretically just predefining 5 variables O1, L1,
H1, C1, V1 just for "previous bar value of OHLC"
should address 90% of most common "easy"
situations, and then a) is not a big problem
since it is only 5 variables.
Best regards,
Tomasz Janeczko
amibroker.com
----- Original Message -----
Sent: Friday, February 20, 2009 1:59
AM
Subject: Re[2]: [amibroker] Re: A shorter
syntax to reference past elements of array
fwiw, I routinely define these values at the top of my code:
O1 = Ref(O,-1);
L1 = Ref(L,-1);
H1 = Ref(H,-1);
C1 = Ref(C,-1);
and also sometimes O2,... O3, ... and so on. dito for other often used
statements.
NONE of the suggested formats can beat this!
herman
Thursday, February 19, 2009, 7:36:01 PM, you wrote:
> I think using the Ref should be kept just the way it
is. I cannot see
> how any alternative method would be less confusing
to newbies.
> btw you can change
> P = (Ref(H,-1) + Ref(L,-1) + Ref(C,-1)) /
3;
> to
> P = Ref(H+L+C,-1) / 3;
> and thus reduce the amount of typing :)
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