Date: Sat, 15 Feb 2003 12:45:54 -0500 From: parv <parv_fm@emailgroups.net> To: java@FreeBSD.ORG Subject: Re: Math.pow bug for jdk1.3.1-p8 ? Message-ID: <20030215174554.GA97285@moo.holy.cow> In-Reply-To: <20030216.005020.894433699.shudo@localhost> References: <3E4C9DDD.4040204@gddsn.org.cn> <20030215.175421.1015281127.shudo@localhost> <20030216014802.A10817@misty.eyesbeyond.com> <20030216.005020.894433699.shudo@localhost>
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in message <20030216.005020.894433699.shudo@localhost>, wrote shudo@computer.org thusly... > > From: Greg Lewis <glewis@eyesbeyond.com> > > > On Sat, Feb 15, 2003 at 05:54:21PM +0900, shudo@computer.org > > wrote: > > > ... > > > It is certain that there is a problem around fdlibm, FreeBSD's > > > gcc 2.95.4 or how the fdlibm compiled (compiler flags?). > > > > Sounds like its quite possibly due to problems with > > optimisation. Obviously, java_g uses no optimisation when > > compiling, ... > Next thing we can do to track the cause down is to compile > e_pow.c, w_sqrt.c, e_sqrt.c, s_fabs.c, s_scalbn.c and s_copysign.c > with different compiler options (-O0, -O2 and so on) and see the > result of the ieee754_pow() function. I have only -O option set. I would love to test all the variations, but my computer is too slow for me to wait the two-three iterations to test. - Parv -- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-java" in the body of the message
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