At Wed, 13 Jul 2011 11:54:42 +0200, Maximilian Treiber wrote: > the function f(x)=ln(cosh(x)) is obviously symmetric, ie f(x)=f(-x), > right? > > The current implementation in gsl seems to be incorrect for negative > values: > > The second elseif is met for large negative numbers, while the > correct asymptotic limit would be "f(x->-inf) = |x|-ln(2)". > > Replacing x by fabs(x) everywhere should fix the problem ...
Hi. Thanks for the bug report, you are right. I've just committed a patch for the problem. -- Brian Gough _______________________________________________ Help-gsl mailing list Help-gsl@gnu.org https://lists.gnu.org/mailman/listinfo/help-gsl