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Re: Zorro beta test announcement [Re: HeelX] #390747
01/04/12 12:47
01/04/12 12:47
Joined: Jul 2000
Posts: 27,986
Frankfurt
jcl Offline OP

Chief Engineer
jcl  Offline OP

Chief Engineer

Joined: Jul 2000
Posts: 27,986
Frankfurt
Zorro's lite-C uses double as standard variable type, so it's sort of hard to have more on your account than covered by the variable range. If you have, you probably won't need Zorro.

Details about the platforms can be found in the "Broker" chapter of the manual.

Re: Zorro beta test announcement [Re: HeelX] #390749
01/04/12 12:52
01/04/12 12:52
Joined: Feb 2009
Posts: 2,154
Damocles_ Offline
Expert
Damocles_  Offline
Expert

Joined: Feb 2009
Posts: 2,154
If its open source I will write a zombie zorro that pushes the stockprice of my pennystocks by making other users demand it more.

Re: Zorro beta test announcement [Re: Damocles_] #390783
01/04/12 17:11
01/04/12 17:11
Joined: May 2007
Posts: 2,043
Germany
Lukas Offline

Programmer
Lukas  Offline

Programmer

Joined: May 2007
Posts: 2,043
Germany
WTF? Zorro uses double, a floating-point variable for keeping money? So if I have a big amount of money, and get 5 cents, I still have the same amount of money because of the limited precision?

I don't care how much money I'd really have to have for that to happen, I'd rather use a 64bit integer keeping the amount of money I have in cents. That way I can always be sure my money can't be destroyed by the effects of floating points and still have up to 92,233,720,368,547,758.07€ (if it's signed).
Also, I'm pretty sure banks don't use floating point variables.

Re: Zorro beta test announcement [Re: Lukas] #390785
01/04/12 17:26
01/04/12 17:26
Joined: Apr 2007
Posts: 3,751
Canada
WretchedSid Offline
Expert
WretchedSid  Offline
Expert

Joined: Apr 2007
Posts: 3,751
Canada
Agreed with Lukas, floating point variables, even double precision, just aren't for book keeping There are some excellent libraries out there for keeping track of values without the loss of precision (for example in boost)


Shitlord by trade and passion. Graphics programmer at Laminar Research.
I write blog posts at feresignum.com
Re: Zorro beta test announcement [Re: WretchedSid] #390841
01/05/12 09:51
01/05/12 09:51
Joined: Jul 2000
Posts: 27,986
Frankfurt
jcl Offline OP

Chief Engineer
jcl  Offline OP

Chief Engineer

Joined: Jul 2000
Posts: 27,986
Frankfurt
If it were a matter of personal taste, I would also rather use a 32.32 fixed point variable for money. But this would not be appreciated by other people who want to do serious financial math. Zorro must follow the standard of professional finance APIs, and can not care about Lukas' or my dislike of floating point variables.

Re: Zorro beta test announcement [Re: jcl] #390903
01/05/12 19:09
01/05/12 19:09
Joined: Dec 2008
Posts: 1,218
Germany
Rackscha Offline
Serious User
Rackscha  Offline
Serious User

Joined: Dec 2008
Posts: 1,218
Germany
Originally Posted By: jcl
If it were a matter of personal taste, I would also rather use a 32.32 fixed point variable for money. But this would not be appreciated by other people who want to do serious financial math. Zorro must follow the standard of professional finance APIs, and can not care about Lukas' or my dislike of floating point variables.


Ah now thats where the important money goes in the wolrd: Eaten by floating point precision grin.

Seriously, have you a link to some financial Api manual?
Would like to take a look into that ._.

PS: For use, we have to register an account AND put money online? is zorro theoretical to test? Need a bit more ninformation o.O


MY Website with news of my projects:
(for example my current
Muliplayer Bomberman,
GenesisPrecompiler for LiteC
and TileMaster, an easy to use Tile editor)
Sparetime-Development

Re: Zorro beta test announcement [Re: Rackscha] #390921
01/05/12 22:34
01/05/12 22:34
Joined: Sep 2003
Posts: 929
Spirit Offline

Moderator
Spirit  Offline

Moderator

Joined: Sep 2003
Posts: 929
Will there be more tutorials about the other functions besides lowpass filters?

Re: Zorro beta test announcement [Re: Spirit] #390951
01/06/12 10:10
01/06/12 10:10
Joined: Jul 2000
Posts: 27,986
Frankfurt
jcl Offline OP

Chief Engineer
jcl  Offline OP

Chief Engineer

Joined: Jul 2000
Posts: 27,986
Frankfurt
Partially. There are too many indicator or filter functions to cover them all in tutorials. But there will be two more tutorials about strategy optimizing and portfolio strategies.

- Writing a trading script is quite different to writing a script for a game. Trading scripts are much shorter and you can see immediately if they are successful or not. On the other hand, trading scripts require more understanding and logical thinking than game scripts. Participating in the beta test makes only sense for people with lite-C experience. They should be able to understand the documentation at least to the degree that they know what the software does and can ask specific questions.

Re: Zorro beta test announcement [Re: jcl] #391303
01/10/12 10:45
01/10/12 10:45
Joined: Apr 2008
Posts: 650
Sajeth Offline
User
Sajeth  Offline
User

Joined: Apr 2008
Posts: 650
This SO looks like a scam - count me in!

Edit: "You'll reveice the program
by email in about 2 weeks."
Oh jcl you little rascal, you gave me hardwood.

Last edited by Sajeth; 01/10/12 18:03.

Teleschrott-Fan.
Re: Zorro beta test announcement [Re: Sajeth] #391359
01/11/12 11:31
01/11/12 11:31
Joined: Jul 2004
Posts: 4,206
Innsbruck, Austria
sPlKe Offline
Expert
sPlKe  Offline
Expert

Joined: Jul 2004
Posts: 4,206
Innsbruck, Austria
So once again you need money to make money. If I had 4 grand, I wouldn't need zorro to make money-.-

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