On Jun 4, 2012, at 12:53 AM, Lesley De Cruz wrote:
> On 4 June 2012 02:48, Regis Smith <[email protected]> wrote:
>> #include<gsl/gsl_rng.h>
>
> Did you mean:
> #include <gsl/gsl_randist.h>
Ahh! Indeed, it was an embarrassingly silly mistake. I didn't read the
documentation carefully. Thanks!
>
>> printf("x=%f; df=%f; pdf=%f\n",x,df,gsl_ran_chisq_pdf(x,df));
>> I compile with "gcc chisq_pdf.c -lgsl -lgslcblas -lm -o chisq_pdf", but
>> all inputs give me zero.
>
> The function gsl_ran_chisq_pdf is implicitly declared in your example,
> and will return an int (i.e. 0).
> Compiling with -Wall can help you track down this kind of problem.
>
> Best regards,
> Lesley
>
