At Tue, 2 Oct 2007 12:09:00 +0000 (GMT), dave wrote: > I tried computing J0(5) using the Bessel function in the gnu math > library and I got the exact result listed in the book. So I'm wondering > if the difference in the final 3 digits is the result of using double > (64-bit xmm registers vs long double (80-bit temp real in 8087 registers).
You can use the GSL_IEEE_MODE=double-precision setting (described in the IEEE Chapter of the manual) to turn off the 80-bit mode and see if it makes a difference. -- Brian Gough (GSL Maintainer) Network Theory Ltd, Publishing the GSL Manual - http://www.network-theory.co.uk/gsl/manual/ _______________________________________________ Help-gsl mailing list [email protected] http://lists.gnu.org/mailman/listinfo/help-gsl
