Re: Bayani status

["Youcef Rabah Rahal" <yrrahal42 at hotmail dot com>]

Salam people,

OK, well, have a look at this ;)

http://perso.club-internet.fr/youcef.rahal/bayani/screenshots/bayani-Jan-21-2003.png

I am happy to say that we have at last a fully working Arabic interpreter 
!!! I explain myself: we can draw in Bayani any combination of usual 
functions (polynomes, trigo, log, exp etc) by entering an expression IN 
ARABIC. On the screenshot you can see that I plotted sin(x)/x for x between 
-100 and +100... It is also possible to do the same in the English and in 
the French translations by entering an expression in latin characters of 
course.

In fact the English and French version rely on an interpreter that I wrote 
some months ago now, and I was not sure of the amount of work to be done to 
port it to Arabic... Well it was a piece of cake ! Basicly, a half-an-hour 
work ;)

Well El hamdou li Allah. And thanks Unicode and thanks Trolltech (the 
QString class and the trUtf8() macro are terrfic !).

So for now, we have a decent GUI, it possible to draw graphs by filling a 
table either by hand or automatically from a text file, it is possible to 
draw ANY 1 variable function, and it is possible to save the frame (that may 
contain multiple graphs) into a PNG image. It is also possible to fit a 
linear function on a graph then display it, though the fitting algorithm has 
to be improved (and since the interpreter is finally implemented, it will be 
possible to fit any function on the data). Finally, two translations are 
available: English and French, that can be launched by either
prompt> bayani -en
or
prompt> bayani -fr


So, a release of bayani 0.1-alpha is imminent, I am just waiting to fix some 
practical details. And since this will be an alpha version, it means that 
some bugs are known to exist, but not all the bugs (because there has not 
been an intensive test) ;)

Also, there's a lot of work to be done, so everyone's contribution is truly 
welcome.

Salam,

Youcef.

PS: When I say ANY 1 variable function, I mean any function from <math.h> ;) 
Besides, I used weird symbols for functions that I never met their symbols 
in arabic before. For exemple: asin() (Arcsine) is translated to JIB' 
(Jeem-Ba-Ayn). This is temporary and I am waiting for your suggestions to 
fix those strange names ;) Just have a look at 
http://cvs.arabeyes.org/cvsweb/projects/bayani/src/expeval.cc.diff?r1=1.3&r2=1.4 
and see what symbols I used.






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