[gentoo-dev] giac-xcas computer algebra system

[gentoo-dev] giac-xcas computer algebra system

[corrosifdev]

I have submitted many ebuilds recently for a project I help maintaining:
giac/xcas.
Giac is a computer algebra system, with console and library capabilities.
Xcas is its FLTK graphical interface (based also on FLVW for a few widgets).
I'd just like to see it appear in portage, as I think it can interest
many people.

If you are curious, the project page is here:
http://xcas.sourceforge.net

I am currently writing with a friend a new graphical interface, based on
wxWidgets... but it is too soon to make a release of it. Anyway, you can
check a screenshot here:
http://xcas.sourceforge.net/img/wxCAS.png

To install giac and xcas, you need the following ebuilds submitted by
myself (and no one is currently in the cvs of portage... I hope somebody
can help submit it):

dev-util/bakefile-0.1.8
http://bugs.gentoo.org/show_bug.cgi?id=90446

sci-mathematics/giac-0.5.0
http://bugs.gentoo.org/show_bug.cgi?id=94539

x11-libs/flvw-20000224
http://bugs.gentoo.org/show_bug.cgi?id=94403

sci-mathematics/xcas-0.5.0
http://bugs.gentoo.org/show_bug.cgi?id=94542

Thanks,

Andreas.


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Re: [gentoo-dev] giac-xcas computer algebra system

[corrosifdev]

Dice R. Random wrote:

> You've probably noticed it already, but I just wanted to point this
> out in case you hadn't.  If I'm understanding that screenshot
> correctly I think you have a bug in your rendering engine.  It looks
> to me like you're integrating (1/3*x^2 + x) with respect to x, but the
> output looks like it says (1/(3*1/3*x^3) + 1/2*x^2) which would reduce
> to (1/x^3 + 1/2*x^2) whereas it should be (1/3*1/3*x^3 + 1/2*x^2)
> which would reduce to (1/9*x^3 + 1/2*x^2).
>
> On 5/31/05, *corrosifdev* <corrosifdev@free.fr
> <mailto:corrosifdev@free.fr>> wrote:
>
>     I am currently writing with a friend a new graphical interface,
>     based on
>     wxWidgets... but it is too soon to make a release of it. Anyway,
>     you can
>     check a screenshot here:
>     http://xcas.sourceforge.net/img/wxCAS.png
>
>
Yep that's right, I should have checked it before submitting the
screenshot :)
The rendering engine is far from finished and has some issues... The new
interface is still in alpha stage, and that's why I didn't submit any
ebuild for it.
Anyway, the CAS engine itself works very fine.

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