[Gambas-user] Gambas3 and Gnu scientific library

[Jussi Lahtinen]

And BTW, Gambas gives more accurate result!
Gambas; -0.177596771314338
Actual;    -0.177596771314338304347397013074758711071130356008509128990...

Jussi



On Sat, May 21, 2011 at 22:01, Jussi Lahtinen <jussi.lahtinen at ...626...>wrote:

> Not me, it's John!
> I have no need for other basic, even if I don't need GUI, Gambas is my
> option.
> Why not to do command line programs with Gambas!??
>
> It's much easier and simpler!!!
> This is all you need in Gambas:
>
> Extern gsl_sf_bessel_J0(x As Float) As Float In "libgsl:0"
>
> Public Sub Main()
>   Print gsl_sf_bessel_J0(5)
> End
>
> Jussi
>
>
>
>
> On Sat, May 21, 2011 at 21:04, wally <wally at ...2037...> wrote:
>
>> On Saturday, May 21, 2011 18:54:03 John Spikowski wrote:
>> > On Sat, 2011-05-21 at 18:27 +0200, wally wrote:
>> > > Jussi,
>> > >
>> > > GSL is grouped in similar functions and i think if one member of a
>> group
>> > > works already, the remaining members should work also with similar
>> code.
>> > > I will try to make an emsemble of gb3 snippets and see what else is
>> > > necessary to cover at least some main features of GSL.
>> > >
>> > > wally
>> >
>> > I'm adding GSL support to ScriptBasic by dynamically scripting the
>> > library at run time. My interests in GSL don't require a GUI so Gambas
>> > is overkill in my case. Here is an example of calling the "Regular
>> > Cylindrical Bessel" function.
>> >
>> > DECLARE SUB DLL ALIAS "_idll" LIB "gtk-server"
>> > DECLARE SUB REQUIRE ALIAS "_idll_require" LIB "gtk-server"
>> > DECLARE SUB DEFINE ALIAS "_idll_define" LIB "gtk-server"
>> >
>> > REQUIRE "libgsl.so"
>> > DEFINE "gsl_sf_bessel_J0 NONE DOUBLE 1 DOUBLE"
>> >
>> > PRINT FORMAT("J0(%g) = %.18e\n", 5.0, DLL("gsl_sf_bessel_J0 " & 5.0))
>> >
>> > RESULTS:
>> >
>> > J0(5) = -1.775970000000000326e-01
>> >
>> >
>> >
>> >
>> >
>> >
>> ---------------------------------------------------------------------------
>> > --- What Every C/C++ and Fortran developer Should Know!
>> > Read this article and learn how Intel has extended the reach of its
>> > next-generation tools to help Windows* and Linux* C/C++ and Fortran
>> > developers boost performance applications - including clusters.
>> > http://p.sf.net/sfu/intel-dev2devmay
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>>
>>
>> Jussi
>>
>> never met scriba but installed and tried your bessel:
>> error &H10:The requested module can not be loaded.
>> seems i should read some docs and load some modules first :)
>>
>> wally
>>
>>
>>
>>
>>
>>
>>
>> ------------------------------------------------------------------------------
>> What Every C/C++ and Fortran developer Should Know!
>> Read this article and learn how Intel has extended the reach of its
>> next-generation tools to help Windows* and Linux* C/C++ and Fortran
>> developers boost performance applications - including clusters.
>> http://p.sf.net/sfu/intel-dev2devmay
>> _______________________________________________
>> Gambas-user mailing list
>> Gambas-user at lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/gambas-user
>>
>
>