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--- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" <amibroker@xxxx>
wrote:
> Hello,
>
> The general principle is that AmiBroker is for TRADERS
> not for programmers. Therefore the rule is to keep the number
language
> contructs LOW so everybody can actually understand and use AFL.
Tomasz,
Nice to read these lines. But, we have to redefine what is simple. I
read that a lot of my codes posted here are hard to understand,
although they are nothing but AFL, as close to the definitions as
possible.
The majority of the questions appear when my code is short, just two
or three lines and, perhaps, the shortest possible.
It is hard to find the measure of simplicity, especially when you
address to a beginner.
Some more examples, perhaps, in the future users guide, solving some
subjects with many repetitions here [various counters, for example],
would help.
Dimitris Tsokakis
> The framework available now (with looping and user-definable
functions)
> is 100% enough to write sophisticated trading
systems/indicators/commentaries.
> And this is what AFL is for.
>
> Hard core programmers are invited to use ADK to expand in anyway
> their like but I have no intentions to make AFL so complex that
> average user would have troubles understanding it.
>
> Let's keep it simple.
>
> Best regards,
> Tomasz Janeczko
> amibroker.com
> ----- Original Message -----
> From: "Graham" <gkavanagh@xxxx>
> To: <amibroker@xxxxxxxxxxxxxxx>
> Sent: Monday, May 19, 2003 7:03 AM
> Subject: RE: [amibroker] #define directive ?
>
>
> Thanks Salil, but it seems over my head for what seems a simple
exercise. I
> will leave it to those with a fuller understanding of programming.
>
> Cheers,
> Graham
> http://groups.msn.com/ASXShareTrading
> http://groups.msn.com/FMSAustralia
> -----Original Message-----
> From: Salil V Gangal [mailto:salil_gangal@x...]
> Sent: Monday, 19 May 2003 12:20 PM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: RE: [amibroker] #define directive ?
>
> Graham,
>
> Perhaps you are. You are considering the example I have quite
literally.
> Following link gives more information about the #define.
> http://www-ccs.ucsd.edu/c/preproc.html#Define%20Directives
>
> As you'll notice, one can use #define directive in a more flexible
manner to
> cut down typing. The 45ema example I gave is just a trivial example.
>
> Regards,
> - Salil V Gangal
>
>
>
>
> Graham <gkavanagh@xxxx> wrote:
> I may be missing your objective, but can't you already do that in
AFL
> Then you just need to call it up. I have called it EmaExp which
just needs
> to be referenced where you want
>
> Example
>
> security = C;
> security45ema = EMA(C,45);
> EmaExp = WriteIf ( LastValue(security) > LastValue
(security45ema), "Price is
> above it 45 ema","Price is not above 45 ema");
>
> Filter=1;
> AddTextColumn(EMAexp,"exp");
>
>
> Cheers,
> Graham
> http://groups.msn.com/ASXShareTrading
> http://groups.msn.com/FMSAustralia
> -----Original Message-----
> From: Salil V Gangal [mailto:salil_gangal@x...]
> Sent: Monday, 19 May 2003 11:51 AM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: RE: [amibroker] #define directive ?
>
> Graham,
>
> The #define directive allows one to write in short-hand rather than
writing
> long code. The compiler substiututes the short-hand into its full
form
> before executing it.
>
> As an example, say if one is writing the following again and again
and again
> in the program ==>
>
> WriteIf ( LastValue(security) > LastValue(security45ema), "Price is
above it
> 45 ema","Price is not above 45 ema");
>
> Then one can just define the short-hand
>
> #define WRITE45_EMA WriteIf ( LastValue(security) >
> LastValue(security45ema), "Price is above it 45 ema","Price is not
above 45
> ema");
>
> And the within the program then one needs to write just WRITE45_EMA
which
> will mean writing whole of 'WriteIf ( LastValue(security) >
> LastValue(security45ema), "Price is above it 45 ema","Price is not
above 45
> ema");' !
>
> This comes in very handy when one has very large code. It cuts down
typing
> a lot. Languages like C, C++ support #define. Since AFL already
supports
> #include, which is similar to C, C++, I am wondering if there is
plan to add
> #define for AFL also ...
>
> Regards,
> - Salil V Gangal
>
> Graham <gkavanagh@xxxx> wrote:
> What is #define represent ?
>
> Cheers,
> Graham
> http://groups.msn.com/ASXShareTrading
> http://groups.msn.com/FMSAustralia
> -----Original Message-----
> From: Salil V Gangal [mailto:salil_gangal@x...]
> Sent: Monday, 19 May 2003 9:40 AM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: [amibroker] #define directive ?
>
> Tomasz,
>
> There is #include in AFL, but AFAIK there is no #define in AFL.
>
> Are there any plans to add #define as well ? With ever increasing
length of
> AFL scripts, I'm sure that #define will cut-down lot of typing
while writing
> AFL scripts.
>
>
> Friends,
>
> Are there any work-arounds for #define in AFL ?
>
> Regards,
> - Salil V Gangal
>
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