[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [amibroker] AmiBroker 4.31.0 BETA released



PureBytes Links

Trading Reference Links

Tomasz,
I still can't believe what a machine you put on!
Please, Tomasz, now I need only a workspace with functions and arguments 
to pass to.
Please ... ;-)

--
Franco

Tomasz Janeczko wrote:
> Hello,
>  
> A new beta version (4.31.0) of AmiBroker has just been released.
>  
> It is available for registered users only from the members area at:
> http://www.amibroker.com/members/bin/ab4310beta.exe
>  
> If you forgot your user name / password to the members area
> you can use automatic reminder service at: 
> http://www.amibroker.com/login.html
>  
> This release brings huge improvement to AFL:
> *for* and *while *loops and *if-else* flow control statements.
>  
> Native AFL loops run 2..3 times faster than JScript (according to my
> preliminary tests on arrays with 1000-5000 bars)
>  
> For more details and example code please read the following "READ ME" text.
>  
> NOTE: from now on all beta releases will be available to registered
> users only (in member area).
>  
> Best regards,
> Tomasz Janeczko
> amibroker.com
>  
>  
> 
> 
>     *AmiBroker 4.31.0 Beta Read Me*
> 
> April 13, 2003 10:38
> 
> *_THIS IS AN EARLY BETA VERSION OF THE SOFTWARE. EXPECT BUGS !!!_*
> 
> *AGAIN: _THIS IS AN EARLY BETA VERSION OF THE SOFTWARE. EXPECT BUGS !!!_**_
> _*
> 
> *Backup your data files and entire AmiBroker folder first!*
> 
> *INSTALLATION INSTRUCTIONS*
> 
> _*IMPORTANT: This archive is update-only. You have to install full 
> version 4.30 first.*_
> 
> Just run the installer and follow the instructions.
> 
> Then run AmiBroker. You should see "AmiBroker 4.31.0 beta" written in 
> the About box.
> 
> *CHANGES FOR VERSION 4.31.0 (as compared to 4.30.0)*
> 
>     * Workspace window uses "icon font" set in the Windows settings
>       instead of hard coded Tahoma 8
>     * for better readability and ClearType(tm) compatibility on WinXP,
>       all dialog windows use now 'MS Shell Dlg' face name that maps to
>       standard MS Sans Serif on Win 9x/Me/NT and Tahoma on Win 2K and XP.
>     * rewritten AFL parser, now formula is parsed and coverted to syntax
>       tree and then interpreted. This would allow further improvements
>       including compilation. This allowed also to add loops/if-else
>       statements.
>     * implemented IF/ELSE statement, WHILE and FOR loops:
>       The same basic 'for' loop in AFL is 2..3 times faster than in JScript
>       Syntax follows C++/JScript style:
> 
>       /while( conditional_expression ) statement;/
> 
>       /for( initializer_part; conditional_expression; iterator_part )
>       statement;/
> 
>       /if( conditional_expression ) statement;/
> 
>       /if( conditional_expression )
>       statement;
>       else
>       statement;/
> 
>     *
> 
>       implemented compound statements: these are blocks of statements
>       enclosed
>       in opening and closing curly brace
> 
>       /{
>       statement1;
>       statement2;
>       ...
>       statementN;
>       }/
> 
>       compound statement can appear anywhere when simple statement can.
> 
>       For example:
> 
>       |i = 10;
>       while( i < 20 )
>       {
>       Plot( MA( Close, i ), "MA" + WriteVal( i, 0 ), colorBlack + i );
>       i = i + 1;
>       }|
> 
>     *
> 
>       implemented C-style postfix and prefix increment/decrement operators
> 
>       |i = 10;
>       WriteIf( i++ );
>       WriteIf( ++i );
>       WriteIf( i );|
> 
>     *
> 
>       implemented array element access (subscript) operator []:
> 
>       |WriteVal( Close[ 0 ] ); // prints the first bar of close array|
> 
>       |/* a sample low-level implementation of exponential moving
>       average in AFL */|
> 
>       |myema[ 0 ] = Close[ 0 ];|
> 
>       |for( i = 1; i < BarCount; i++ )
>       {
>       myema[ i ] = 0.1 * Close[ i ] + 0.9 * myema[ i - 1 ];
>       }|
> 
>     *
> 
>       added built-in constant 'BarCount' that returns number of bars
>       available in arrays (the number of elements of array)
>       When QuickAFL is turned on it may be less than true number of bars
>       because QuickAFL feature attempts to use only visible bars (and
>       few before). You can control how many bars the formula requires
>       using SetBarsRequired() function
> 
>     *
> 
>       implemented infinite-loop protection. Nice if you forgot to
>       increment counter variable in 'for' loop :-)
> 
>     *
> 
>       tab key now works without need to press ALT/CTRL in AFL editors
> 
>     *
> 
>       added C-like synonyms for logical ADD/OR/NOT: &&, ||, !
> 
> 
>       |/* a sample low-level implementation of Profit-target stop in
>       AFL: */|
> 
>       |Buy = Cross( MACD(), Signal() );|
> 
>       |priceatbuy=0;|
> 
>       |for( i = 0; i < BarCount; i++ )
>       {
>            if( priceatbuy == 0 && Buy[ i ] )
>            priceatbuy = BuyPrice[ i ];|
> 
>       |     if( priceatbuy > 0 && SellPrice[ i ] > 1.1 * priceatbuy )
>            {
>              Sell[ i ] = 1;
>              SellPrice[ i ] = 1.1 * priceatbuy;
>              priceatbuy = 0;
>            }
>            else
>              Sell[ i ] = 0;
>       }|
> 
>       |/* sample EMA rainbow */|
> 
>       |Plot( Close, "Price", colorBlack, styleCandle );
>       for( Range = 15; Range < 100; Range++ )
>          Plot( EMA( Close, Range ), "MA"+WriteVal(Range,0), colorRose +
>       Range % 8, styleNoLabel );|
> 
> *HOW TO REPORT BUGS*
> 
> If you experience any problem with this beta version please send 
> detailed description of the problem (especially the steps needed to 
> reproduce it) to bugs@xxxxxxxxxxxxx <mailto:bugs@xxxxxxxxxxxxx>
> 
> 
> *Yahoo! Groups Sponsor*
> <http://us.ard.yahoo.com/M=249982.3083889.4452939.1728375/D=egroupweb/S=1705632198:HM/A=1524963/R=0/*http://hits.411web.com/cgi-bin/autoredir?camp=556&lineid=3083889&prop=egroupweb&pos=HM> 
> 
> 
> 
> Send BUG REPORTS to bugs@xxxxxxxxxxxxx
> Send SUGGESTIONS to suggest@xxxxxxxxxxxxx
> -----------------------------------------
> Post AmiQuote-related messages ONLY to: amiquote@xxxxxxxxxxxxxxx
> (Web page: http://groups.yahoo.com/group/amiquote/messages/)
> --------------------------------------------
> Check group FAQ at: 
> http://groups.yahoo.com/group/amibroker/files/groupfaq.html
> 
> Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service 
> <http://docs.yahoo.com/info/terms/>.


------------------------ Yahoo! Groups Sponsor ---------------------~-->
Get a FREE REFINANCE QUOTE - click here!
http://us.click.yahoo.com/2CXtTB/ca0FAA/i5gGAA/GHeqlB/TM
---------------------------------------------------------------------~->

Send BUG REPORTS to bugs@xxxxxxxxxxxxx
Send SUGGESTIONS to suggest@xxxxxxxxxxxxx
-----------------------------------------
Post AmiQuote-related messages ONLY to: amiquote@xxxxxxxxxxxxxxx 
(Web page: http://groups.yahoo.com/group/amiquote/messages/)
--------------------------------------------
Check group FAQ at: http://groups.yahoo.com/group/amibroker/files/groupfaq.html 

Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/