Re: [Bug-gsl] Possible bug in gsl_multifit_wlinear_svd

[Brian Gough]

At Thu, 2 Aug 2007 10:31:22 +0200,
Marco Lombardi wrote:
> occasionally I find that gsl_multifit_wlinear_svd never returns.  This
> happens with particular matrices, which however do not seem to have
> anything special of their own.  I attach below a simple program that
> builds a random matrix and calls gsl_multifit_wlinear_svd, and then
> reads a matrix from a file and calls again gsl_multifit_wlinear_svd:
> the second call never exit (at least on the computers where I tried
> it).

Thanks for your email. I can't reproduce your problem with gsl-1.9 on
Intel -- can you provide more details (gsl version, operating system,
etc).  Maybe you could attach with the debugger and see why it is not
exiting.

-- 
Brian Gough
(GSL Maintainer)

Network Theory Ltd,
Commercial support for GSL --- http://www.network-theory.com/gsl/


$ gcc -Wall -O2 gsl-test.c -L /opt/gsl-1.9/lib/ -I /opt/gsl-1.9/include/ 
-static -lgsl -lgslcblas -lm
$ ./a.out 
Creating random data...
Starting decomposition...
Done.
Reading data from file...
Starting decomposition...
Done.