[Gambas-user] Gambas3 and Gnu scientific library

[Jussi Lahtinen]

Just use Gambas to solve the problem!

Jussi


On Sun, May 22, 2011 at 00:10, John Spikowski <support at ...2529...>wrote:

> On Sat, 2011-05-21 at 22:27 +0300, Jussi Lahtinen wrote:
> > Gambas!
> > http://www.wolframalpha.com/input/?i=besselj0%285%29
> >
> > Jussi
> >
>
> Here is the result of the C version.
>
> gcc -Wall intro.c -lgslcblas -lgsl -o intro
>
> J0(5) = -1.775967713143382642471124199801124632358551025391e-01
>
> For grins I DEFINED the printf() and used it instead of the SB FORMAT()
> function.
>
> DEFINE "printf NONE DOUBLE 3 STRING DOUBLE DOUBLE"
>
> DLL("printf \"J0(%g) = %.48e\n\" 5.0 " & DLL("gsl_sf_bessel_J0 " & 5.0))
>
> J0(5) = -1.775970000000000048601123125990852713584899902344e-01
>
> <further testing ...>
>
> v = 1.775967713143382642471124199801124632358551025391e-01
>
> PRINT FORMAT("J0(%g) = %.48e\n", 5.0, v)
>
>
> J0(5) = 1.775967713143382642471124199801124632358551025391e-01
>
> I'm convinced I have a GTK-Server issue with DOUBLE returns.
>
>
>
>
>
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