On Mon, Mar 23, 2009 at 2:03 PM, David Schultz <[email protected]> wrote: > On Mon, Mar 23, 2009, Alexander Sack wrote: >> I'm working with building the Boost libraries and Boost.Math has long >> double support stubbed out for FreeBSD (personally I don't need it >> but..). I believe looking at some historical threads about this over >> the weekend and a lot of it was due to compiler GNUish bugs handling >> long double math (I believe Bruce Evans had some patches at one point >> but mentioned it was still crappy). >> >> Can someone speak if the current compiler/BSD flavors support long >> double math on a 64-bit capable CPU (LM=1)? > > Long doubles are supported, except that long double versions of > the following libm functions are missing: > > acoshl asinhl atanhl cbrtl coshl erfcl erfl expl expm1l > lgammal log10l log1pl log2l logl powl sinhl tanhl tgammal > > The only other caveat is that on i386 we set the FPU to 53-bit > precision so that gcc produces saner results in double precision. > (See the archives for the gruesome details.) Of course, if you're > running FreeBSD/amd64 on a 64-bit machine, this doesn't apply. >
Thank you so much David, that is what I needed to know (I just thought asking would be easier in this case than trying to parse through the many threads over the past about this topic). -aps _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "[email protected]"
