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Re: test release gsl-1.8.90.tar.gz
At Fri, 16 Feb 2007 00:09:34 -0800,
Tim Fenn wrote:
> I've been testing the bfgs2 minimizer, and it works well until/if it
> nears a point in which the interpolator stops progressing - I've
> noticed there is a check against this in the linear_minimize code near
> line 209:
>
> if ((a-alpha)*fpa <= GSL_DBL_EPSILON) {
> /* roundoff prevents progress */
> };
>
> perhaps there should be a break statement to prevent futile
> iterations? Or use this as a stopping criteria test?
Thanks, there should be a
return GSL_ENOPROG;
in there. You might want to try that and see if it stops at an
acceptable place.