Yeah, really, it works!! I forgot to initialise signum pointer :(
That's why there was segmentation fault error, as Greg Lyukshin
posted.
Thank you and thanks to all gsl community!
Best regards, Vladimir.
2011/8/9 Jordi Gutiérrez Hermoso <jord...@octave.org>:
> On 8 August 2011 17:04, Владимир Дрынкин <vladimir.dryn...@gmail.com> wrote:
>
>> Can you help me, what's wrong with my code?
> [snip]
>> matrix matrix::inverse()
>> {
>> int *signum;
>> gsl_permutation *p;
>> p = gsl_permutation_alloc(rows);
>> matrix temp = *this;
>> matrix temp_inv(rows, cols);
>> gsl_linalg_complex_LU_decomp(temp.mtrx, p, signum);
>> temp.print();
>> gsl_linalg_complex_LU_invert(temp.mtrx, p, temp_inv.mtrx);
>> return temp_inv;
>> }
>
> You need to allocate signum here. Change the first line to
>
> int *signum = new int;
>
> and at the end of this function put
>
> delete signum
>
> There may be other errors, but I didn't try to find more.
>
> HTH,
> - Jordi G. H.
>
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