From mboxrd@z Thu Jan 1 00:00:00 1970 From: hjl@lucon.org (H.J. Lu) To: zack@rabi.phys.columbia.edu (Zack Weinberg) Cc: drepper@cygnus.com, libc-linux@gnu.org, egcs@cygnus.com Subject: Re: Who is fixing libm-ieee754? Date: Sat, 21 Feb 1998 17:50:00 -0000 Message-id: References: <199802220053.TAA29191@rabi.phys.columbia.edu> X-SW-Source: 1998-02/msg00996.html > > > In case it helps anyone - > > I ran the ELEFUNT elementary function tests against the math libraries > from libc 5 and 6. I don't really know how to interpret them, but > they're at ftp://rabi.phys.columbia.edu/pub/elefunt.shar . I used egcs > 1.0.1's C compiler in combination with f2c from the Netlib archive. > > The single precision tests probably didn't test libc6's true single > precision math functions. > I believe egcs 1.0.2 has some serious bugs on x86 when fp is used. It miscompiled libm-ieee754 in glibc 2.1 when -O2 is used. I will try to come up with a small test case to show it. -- H.J. Lu (hjl@gnu.org)